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Ortiz-Colin P, Hulshof CM. Ecotones as Windows into Organismal-to-Biome Scale Responses across Neotropical Forests. PLANTS (BASEL, SWITZERLAND) 2024; 13:2396. [PMID: 39273880 PMCID: PMC11397621 DOI: 10.3390/plants13172396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2024] [Revised: 08/17/2024] [Accepted: 08/22/2024] [Indexed: 09/15/2024]
Abstract
Tropical forests are incredibly diverse in structure and function. Despite, or perhaps because of, this diversity, tropical biologists often conduct research exclusively in one or perhaps a few forest types. Rarely do we study the ecotone-the interstitial region between forest types. Ecotones are hyper-diverse, dynamic systems that control the flow of energy and organisms between adjacent ecosystems, with their locations determined by species' physiological limits. In this review, we describe how studying ecotones can provide key indicators for monitoring the state of Neotropical forests from organisms to ecosystems. We first describe how ecotones have been studied in the past and summarize our current understanding of tropical ecotones. Next, we provide three example lines of research focusing on the ecological and evolutionary dynamics of the ecotone between tropical dry forests and desert; between tropical dry and rainforests; and between Cerrado and Atlantic rainforests, with the latter being a particularly well-studied ecotone. Lastly, we outline methods and tools for studying ecotones that combine remote sensing, new statistical techniques, and field-based forest dynamics plot data, among others, for understanding these important systems.
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Affiliation(s)
- Perla Ortiz-Colin
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Catherine M Hulshof
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284, USA
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2
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Terryn L, Calders K, Meunier F, Bauters M, Boeckx P, Brede B, Burt A, Chave J, da Costa ACL, D'hont B, Disney M, Jucker T, Lau A, Laurance SGW, Maeda EE, Meir P, Krishna Moorthy SM, Nunes MH, Shenkin A, Sibret T, Verhelst TE, Wilkes P, Verbeeck H. New tree height allometries derived from terrestrial laser scanning reveal substantial discrepancies with forest inventory methods in tropical rainforests. GLOBAL CHANGE BIOLOGY 2024; 30:e17473. [PMID: 39155688 DOI: 10.1111/gcb.17473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 07/31/2024] [Accepted: 08/01/2024] [Indexed: 08/20/2024]
Abstract
Tree allometric models, essential for monitoring and predicting terrestrial carbon stocks, are traditionally built on global databases with forest inventory measurements of stem diameter (D) and tree height (H). However, these databases often combine H measurements obtained through various measurement methods, each with distinct error patterns, affecting the resulting H:D allometries. In recent decades, terrestrial laser scanning (TLS) has emerged as a widely accepted method for accurate, non-destructive tree structural measurements. This study used TLS data to evaluate the prediction accuracy of forest inventory-based H:D allometries and to develop more accurate pantropical allometries. We considered 19 tropical rainforest plots across four continents. Eleven plots had forest inventory and RIEGL VZ-400(i) TLS-based D and H data, allowing accuracy assessment of local forest inventory-based H:D allometries. Additionally, TLS-based data from 1951 trees from all 19 plots were used to create new pantropical H:D allometries for tropical rainforests. Our findings reveal that in most plots, forest inventory-based H:D allometries underestimated H compared with TLS-based allometries. For 30-metre-tall trees, these underestimations varied from -1.6 m (-5.3%) to -7.5 m (-25.4%). In the Malaysian plot with trees reaching up to 77 m in height, the underestimation was as much as -31.7 m (-41.3%). We propose a TLS-based pantropical H:D allometry, incorporating maximum climatological water deficit for site effects, with a mean uncertainty of 19.1% and a mean bias of -4.8%. While the mean uncertainty is roughly 2.3% greater than that of the Chave2014 model, this model demonstrates more consistent uncertainties across tree size and delivers less biased estimates of H (with a reduction of 8.23%). In summary, recognizing the errors in H measurements from forest inventory methods is vital, as they can propagate into the allometries they inform. This study underscores the potential of TLS for accurate H and D measurements in tropical rainforests, essential for refining tree allometries.
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Affiliation(s)
- Louise Terryn
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
| | - Kim Calders
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
| | - Félicien Meunier
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
| | - Marijn Bauters
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
- ISOFYS - Isotope Bioscience Laboratory, Department of Green Chemistry and Technology, Ghent University, Ghent, Belgium
| | - Pascal Boeckx
- ISOFYS - Isotope Bioscience Laboratory, Department of Green Chemistry and Technology, Ghent University, Ghent, Belgium
| | - Benjamin Brede
- GFZ German Research Centre for Geosciences, Potsdam, Germany
| | | | - Jerome Chave
- Laboratoire Evolution and Biological Diversity (EDB), CNRS/IRD/UPS, Toulouse, France
| | - Antonio Carlos Lola da Costa
- Geociencias, Federal University of Para, Belem, State of Para, Brazil
- Museu Paraense Emilio Goeldi, Belem, State of Para, Brazil
| | - Barbara D'hont
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
| | - Mathias Disney
- UCL Department of Geography, London, UK
- NERC National Centre for Earth Observation (NCEO-UCL), Swindon, UK
| | - Tommaso Jucker
- School of Biological Sciences, University of Bristol, Bristol, UK
| | - Alvaro Lau
- Laboratory of Geo-Information Science and Remote Sensing, Wageningen University, Wageningen, Gelderland, the Netherlands
| | - Susan G W Laurance
- Centre for Tropical Environmental and Sustainability Science and College of Science and Engineering, James Cook University, Cairns, Australia
| | - Eduardo Eiji Maeda
- Finnish Meteorological Institute, FMI, Helsinki, Finland
- Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland
| | - Patrick Meir
- School of Geosciences, University of Edinburgh, Edinburgh, UK
| | - Sruthi M Krishna Moorthy
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
- Department of Biology, University of Oxford, Oxford, UK
| | - Matheus Henrique Nunes
- Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland
- Department of Geographical Sciences, University of Maryland, College Park, Maryland, USA
| | - Alexander Shenkin
- School of Informatics, Computing, and Cyber Systems, Northern Arizona University Flagstaff, Flagstaff, Arizona, USA
| | - Thomas Sibret
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
- ISOFYS - Isotope Bioscience Laboratory, Department of Green Chemistry and Technology, Ghent University, Ghent, Belgium
| | - Tom E Verhelst
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
| | - Phil Wilkes
- Department of Geography, University College London, London, UK
- NERC National Centre for Earth Observation, Leicester, UK
| | - Hans Verbeeck
- Q-ForestLab, Department of Environment, Ghent University, Ghent, Belgium
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Gauci V, Pangala SR, Shenkin A, Barba J, Bastviken D, Figueiredo V, Gomez C, Enrich-Prast A, Sayer E, Stauffer T, Welch B, Elias D, McNamara N, Allen M, Malhi Y. Global atmospheric methane uptake by upland tree woody surfaces. Nature 2024; 631:796-800. [PMID: 39048683 PMCID: PMC11269171 DOI: 10.1038/s41586-024-07592-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 05/23/2024] [Indexed: 07/27/2024]
Abstract
Methane is an important greenhouse gas1, but the role of trees in the methane budget remains uncertain2. Although it has been shown that wetland and some upland trees can emit soil-derived methane at the stem base3,4, it has also been suggested that upland trees can serve as a net sink for atmospheric methane5,6. Here we examine in situ woody surface methane exchange of upland tropical, temperate and boreal forest trees. We find that methane uptake on woody surfaces, in particular at and above about 2 m above the forest floor, can dominate the net ecosystem contribution of trees, resulting in a net tree methane sink. Stable carbon isotope measurement of methane in woody surface chamber air and process-level investigations on extracted wood cores are consistent with methanotrophy, suggesting a microbially mediated drawdown of methane on and in tree woody surfaces and tissues. By applying terrestrial laser scanning-derived allometry to quantify global forest tree woody surface area, a preliminary first estimate suggests that trees may contribute 24.6-49.9 Tg of atmospheric methane uptake globally. Our findings indicate that the climate benefits of tropical and temperate forest protection and reforestation may be greater than previously assumed.
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Affiliation(s)
- Vincent Gauci
- Birmingham Institute of Forest Research, University of Birmingham, Birmingham, UK.
- School of Geography, Earth and Environmental Science, University of Birmingham, Birmingham, UK.
| | | | - Alexander Shenkin
- School of Informatics, Computing and Cyber Systems, Northern Arizona University, Flagstaff, AZ, USA
| | - Josep Barba
- Birmingham Institute of Forest Research, University of Birmingham, Birmingham, UK
- School of Geography, Earth and Environmental Science, University of Birmingham, Birmingham, UK
- CREAF, Cerdanyola del Vallès, Spain
| | - David Bastviken
- Department of Thematic Studies-Environmental Change, Linköping University, Linkoping, Sweden
| | - Viviane Figueiredo
- Department of Thematic Studies-Environmental Change, Linköping University, Linkoping, Sweden
| | - Carla Gomez
- School of Environment, Earth and Ecosystem Studies, The Open University, Milton Keynes, UK
| | - Alex Enrich-Prast
- Department of Thematic Studies-Environmental Change, Linköping University, Linkoping, Sweden
- Multiuser Unit of Environmental Analysis, University Federal of Rio de Janeiro, Rio de Janeiro, Brazil
- Institute of Marine Science, Federal University of São Paulo (IMar/UNIFESP), Santos, Brazil
| | - Emma Sayer
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
- Smithsonian Tropical Research Institute, Balboa, Panama City, Republic of Panama
- Institute of Botany, Ulm University, Ulm, Germany
| | - Tainá Stauffer
- Multiuser Unit of Environmental Analysis, University Federal of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Bertie Welch
- School of Environment, Earth and Ecosystem Studies, The Open University, Milton Keynes, UK
| | - Dafydd Elias
- UK Centre for Ecology & Hydrology, Lancaster Environment Centre, Lancaster, UK
| | - Niall McNamara
- UK Centre for Ecology & Hydrology, Lancaster Environment Centre, Lancaster, UK
| | - Myles Allen
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
- Atmospheric, Oceanic and Planetary Physics, Department of Physics, University of Oxford, Oxford, UK
| | - Yadvinder Malhi
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
- Leverhulme Centre for Nature Recovery, University of Oxford, Oxford, UK
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4
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Sánchez Herrera M, Forero D, Calor AR, Romero GQ, Riyaz M, Callisto M, de Oliveira Roque F, Elme-Tumpay A, Khan MK, Justino de Faria AP, Pires MM, Silva de Azevêdo CA, Juen L, Zakka U, Samaila AE, Hussaini S, Kemabonta K, Guillermo-Ferreira R, Ríos-Touma B, Maharaj G. Systematic challenges and opportunities in insect monitoring: a Global South perspective. Philos Trans R Soc Lond B Biol Sci 2024; 379:20230102. [PMID: 38705182 PMCID: PMC11070269 DOI: 10.1098/rstb.2023.0102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 03/21/2024] [Indexed: 05/07/2024] Open
Abstract
Insect monitoring is pivotal for assessing biodiversity and informing conservation strategies. This study delves into the complex realm of insect monitoring in the Global South-world developing and least-developed countries as identified by the United Nations Conference on Trade and Development-highlighting challenges and proposing strategic solutions. An analysis of publications from 1990 to 2024 reveals an imbalance in research contributions between the Global North and South, highlighting disparities in entomological research and the scarcity of taxonomic expertise in the Global South. We discuss the socio-economic factors that exacerbate the issues, including funding disparities, challenges in collaboration, infrastructure deficits, information technology obstacles and the impact of local currency devaluation. In addition, we emphasize the crucial role of environmental factors in shaping insect diversity, particularly in tropical regions facing multiple challenges including climate change, urbanization, pollution and various anthropogenic activities. We also stress the need for entomologists to advocate for ecosystem services provided by insects in addressing environmental issues. To enhance monitoring capacity, we propose strategies such as community engagement, outreach programmes and cultural activities to instill biodiversity appreciation. Further, language inclusivity and social media use are emphasized for effective communication. More collaborations with Global North counterparts, particularly in areas of molecular biology and remote sensing, are suggested for technological advancements. In conclusion, advocating for these strategies-global collaborations, a diverse entomological community and the integration of transverse disciplines-aims to address challenges and foster inclusive, sustainable insect monitoring in the Global South, contributing significantly to biodiversity conservation and overall ecosystem health. This article is part of the theme issue 'Towards a toolkit for global insect biodiversity monitoring'.
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Affiliation(s)
- Melissa Sánchez Herrera
- Department of Museum Research and Collections, University of Alabama Museums, Tuscaloosa, AL 35487, USA
- Division of Invertebrate Zoology, American Museum of Natural History, New York, NY 10024, USA
- Laboratorio de Zoología y Ecología Acuática (LAZOEA), Biological Sciences Department, Universidad de los Andes, Bogotá, 111711, Colombia
| | - Dimitri Forero
- Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá, 11132, Colombia
| | - Adolfo Ricardo Calor
- Instituto de Biologia, Laboratório de Entomologia Aquática, Universidade Federal da Bahia, Salvador, 40000-000, Brazil
| | - Gustavo Q. Romero
- Laboratório de Interações Multitróficas e Biodiversidade, Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), CP 6109, Campinas-SP, CEP 13083-970, Brazil
| | - Muzafar Riyaz
- St Xavier's College, Palayamkottai, Tirunelveli, Tamil Nadu, CEP: 40170-115 7 – 627002, India
| | - Marcos Callisto
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Genética, Ecologia e Evolução, Pampulha, Belo Horizonte - MG, 31270-901, Brazil
| | - Fabio de Oliveira Roque
- Departamento de Biología, Universidade Federal de Mato Grosso do Sul, Ciudade Universitaria, Pioneiros, Campo Grande, MS, 79070-900, Brazil
- Centre for Tropical Environmental and Sustainability Science and College of Science and Engineering, James Cook University, Douglas, Cairns, 4811, Queensland, Australia
| | - Araseli Elme-Tumpay
- Laboratorio de Biodiversidad y Genética Ambiental (BioGeA), Universidad Nacional de Avellaneda, Mario Bravo 1460, CP1870 Piñeyro, Avellaneda, Buenos Aires, Argentina
- Colección Entomológica, Universidad Nacional de San Antonio Abad del Cusco, Gabinete C-338, Pabellón C, Ciudad Universitaria de Perayoc, Cusco, 08003, Peru
| | - M. Kawsar Khan
- Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin, Berlin, 14195, Germany
| | - Ana Paula Justino de Faria
- Instituto de Ciências Biológicas, Universidade Estadual do Piauí, Rua João Cabral - Matinha, Teresina - PI, 64018-030, Brazil
| | - Mateus Marques Pires
- Laboratory of Ecology and Conservation of Aquatic Ecosystems, Universidade do Vale do Taquari - UNIVATES, Lajeado, RS, 95914-014 Brazil
| | - Carlos Augusto Silva de Azevêdo
- Departamento de Biología, Universidade Estadual do Maranhão, Programa em Biodiversidade, Ambiente e Saúde, 65.055-310, Brazil
| | - Leandro Juen
- Instituto de Ciências Biológicas, Universidade Federal do Pará, UFPA, Belém - PA, 66077-830, Brazil
| | - Usman Zakka
- Department of Crop & Soil Science, University of Port Harcourt, Port Harcourt 500272, Nigeria
| | - Akeweta Emmanuel Samaila
- Department of Agronomy, Federal University of Kashere: Kashere, P.M.B. 0182, Gombe State, Nigeria
| | - Suwaiba Hussaini
- Department of Biological Sciences, Abubakar Tafawa Balewa University, Bauchi, 740272, Nigeria
| | - Kehinde Kemabonta
- Department of Zoology, University of Lagos: Akoka, Lagos, 100213, Nigeria
| | - Rhainer Guillermo-Ferreira
- Centro de Pesquisas em Entomologia e Biologia Experimental, Universidade Federal do Triangulo Mineiro (UFTM), Uberaba - MG, 38061-500, Brazil
| | - Blanca Ríos-Touma
- Grupo de Investigación en Biodiversidad, Medio Ambiente y Salud (BIOMAS), Universidad de Las Américas, Campus UDLAPARK, Quito, Ecuador 170513
| | - Gyanpriya Maharaj
- University of Guyana, Centre for the Study of Biological Diversity, Georgetown, Guyana
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5
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Magee L, Lapalikar S, Cayetano DT, Machado S, Pandit K, Trentin B, Wood D, Leite RV, Cosenza DN, Mintz J, Valle D, Crandall RM, Lichstein JW, Montero N, Cherro C, Barreto R, Bohlman S, Johnson DJ. Oaks enhance early life stage longleaf pine growth and density in a subtropical xeric savanna. Oecologia 2024; 205:411-422. [PMID: 38898337 DOI: 10.1007/s00442-024-05579-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 05/29/2024] [Indexed: 06/21/2024]
Abstract
The interplay of positive and negative species interactions controls species assembly in communities. Dryland plant communities, such as savannas, are important to global biodiversity and ecosystem functioning. Sandhill oaks in xeric savannas of the southeastern United States can facilitate longleaf pine by enhancing seedling survival, but the effects of oaks on recruitment and growth of longleaf pine have not been examined. We censused, mapped, and monitored nine contiguous hectares of longleaf pine in a xeric savanna to quantify oak-pine facilitation, and to examine other factors impacting recruitment, such as vegetation cover and longleaf pine tree density. We found that newly recruited seedlings and grass stage longleaf pines were more abundant in oak-dominated areas where densities were 230% (newly recruited seedlings) and 360% (grass stage) greater from lowest to highest oak neighborhood densities. Longleaf pine also grew faster under higher oak density. Longleaf pine recruitment was lowest under longleaf pine canopies. Mortality of grass stage and bolt stage longleaf pine was low (~1.0% yr-1) in the census interval without fire. Overall, our findings highlight the complex interactions between pines and oaks-two economically and ecologically important genera globally. Xeric oaks should be incorporated as a management option for conservation and restoration of longleaf pine ecosystems.
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Affiliation(s)
- Lukas Magee
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA.
| | - Sairandhri Lapalikar
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
- International Union for Conservation of Nature (IUCN), 1630 Connecticut Ave NW, Washington, DC, 20009, USA
| | - Denver T Cayetano
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Siddarth Machado
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Karun Pandit
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
- Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, 27695, USA
| | - Bruna Trentin
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Derek Wood
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Rodrigo V Leite
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
- Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Code 618, Greenbelt, MD, 20771, USA
| | - Diogo N Cosenza
- Department of Forest Engineering, Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Jeffrey Mintz
- School of Natural Resources and the Environment, University of Florida, Gainesville, FL, USA
| | - Denis Valle
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Raelene M Crandall
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | | | - Nicolle Montero
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Caitlyn Cherro
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Ross Barreto
- Department of Biology, University of Florida, Gainesville, FL, USA
| | - Stephanie Bohlman
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
| | - Daniel J Johnson
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, FL, USA
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6
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Magee LJ, LaManna JA, Wolf AT, Howe RW, Lu Y, Valle D, Smith DJB, Bagchi R, Bauman D, Johnson DJ. The unexpected influence of legacy conspecific density dependence. Ecol Lett 2024; 27:e14449. [PMID: 38857318 DOI: 10.1111/ele.14449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 06/12/2024]
Abstract
When plants die, neighbours escape competition. Living conspecifics could disproportionately benefit because they are freed from negative intraspecific processes; however, if the negative effects of past conspecific neighbours persist, other species might be advantaged, and diversity might be maintained through legacy effects. We examined legacy effects in a mapped forest by modelling the survival of 37,212 trees of 23 species using four neighbourhood properties: living conspecific, living heterospecific, legacy conspecific (dead conspecifics) and legacy heterospecific densities. Legacy conspecific effects proved nearly four times stronger than living conspecific effects; changes in annual survival associated with legacy conspecific density were 1.5% greater than living conspecific effects. Over 90% of species were negatively impacted by legacy conspecific density, compared to 47% by living conspecific density. Our results emphasize that legacies of trees alter community dynamics, revealing that prior research may have underestimated the strength of density dependent interactions by not considering legacy effects.
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Affiliation(s)
- Lukas J Magee
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, Florida, USA
| | - Joseph A LaManna
- Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, USA
| | - Amy T Wolf
- Department of Biology and Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, Wisconsin, USA
| | - Robert W Howe
- Department of Biology and Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, Wisconsin, USA
| | - Yuanming Lu
- Department of Biology, University of Florida, Gainesville, Florida, USA
| | - Denis Valle
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, Florida, USA
| | - Daniel J B Smith
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona, USA
| | - Robert Bagchi
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, Connecticut, USA
| | - David Bauman
- AMAP, Univ Montpellier, CIRAD, CNRS, IRAE, IRD, Montpellier, France
| | - Daniel J Johnson
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, Florida, USA
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7
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Medina-Vega JA, Zuleta D, Aguilar S, Alonso A, Bissiengou P, Brockelman WY, Bunyavejchewin S, Burslem DFRP, Castaño N, Chave J, Dalling JW, de Oliveira AA, Duque Á, Ediriweera S, Ewango CEN, Filip J, Hubbell SP, Itoh A, Kiratiprayoon S, Lum SKY, Makana JR, Memiaghe H, Mitre D, Mohamad MB, Nathalang A, Nilus R, Nkongolo NV, Novotny V, O'Brien MJ, Pérez R, Pongpattananurak N, Reynolds G, Russo SE, Tan S, Thompson J, Uriarte M, Valencia R, Vicentini A, Yao TL, Zimmerman JK, Davies SJ. Tropical tree ectomycorrhiza are distributed independently of soil nutrients. Nat Ecol Evol 2024; 8:400-410. [PMID: 38200369 DOI: 10.1038/s41559-023-02298-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 12/01/2023] [Indexed: 01/12/2024]
Abstract
Mycorrhizae, a form of plant-fungal symbioses, mediate vegetation impacts on ecosystem functioning. Climatic effects on decomposition and soil quality are suggested to drive mycorrhizal distributions, with arbuscular mycorrhizal plants prevailing in low-latitude/high-soil-quality areas and ectomycorrhizal (EcM) plants in high-latitude/low-soil-quality areas. However, these generalizations, based on coarse-resolution data, obscure finer-scale variations and result in high uncertainties in the predicted distributions of mycorrhizal types and their drivers. Using data from 31 lowland tropical forests, both at a coarse scale (mean-plot-level data) and fine scale (20 × 20 metres from a subset of 16 sites), we demonstrate that the distribution and abundance of EcM-associated trees are independent of soil quality. Resource exchange differences among mycorrhizal partners, stemming from diverse evolutionary origins of mycorrhizal fungi, may decouple soil fertility from the advantage provided by mycorrhizal associations. Additionally, distinct historical biogeographies and diversification patterns have led to differences in forest composition and nutrient-acquisition strategies across three major tropical regions. Notably, Africa and Asia's lowland tropical forests have abundant EcM trees, whereas they are relatively scarce in lowland neotropical forests. A greater understanding of the functional biology of mycorrhizal symbiosis is required, especially in the lowland tropics, to overcome biases from assuming similarity to temperate and boreal regions.
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Affiliation(s)
- José A Medina-Vega
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, USA.
| | - Daniel Zuleta
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, USA
| | | | - Alfonso Alonso
- Center for Conservation and Sustainability, Smithsonian National Zoo and Conservation Biology Institute, Washington, DC, USA
| | - Pulchérie Bissiengou
- Herbier National du Gabon, Institut de Pharmacopée et de Médecine Traditionelle, Libreville, Gabon
| | - Warren Y Brockelman
- National Biobank of Thailand, National Science and Technology Development Agency, Khlong Luang, Thailand
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Sarayudh Bunyavejchewin
- Thai Long-Term Forest Ecological Research Project, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok, Thailand
| | | | - Nicolás Castaño
- Herbario Amazónico Colombiano, Instituto Amazónico de Investigaciones Científicas Sinchi, Bogotá, Colombia
| | - Jérôme Chave
- Laboratoire Evolution et Diversité Biologique, CNRS, UPS, IRD, Université Paul Sabatier, Toulouse, France
| | - James W Dalling
- Smithsonian Tropical Research Institute, Balboa, Panama
- Department of Plant Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Alexandre A de Oliveira
- Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Álvaro Duque
- Departamento de Ciencias Forestales, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia
| | - Sisira Ediriweera
- Department of Science and Technology, Uva Wellassa University, Badulla, Sri Lanka
| | - Corneille E N Ewango
- Faculty of Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Jonah Filip
- Binatang Research Center, Madang, Papua New Guinea
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | - Akira Itoh
- Graduate School of Science, Osaka Metropolitan University, Osaka, Japan
| | - Somboon Kiratiprayoon
- Faculty of Science and Technology, Thammasat University (Rangsit), Pathum Thani, Thailand
| | - Shawn K Y Lum
- Asian School of the Environment, Nanyang Technological University, Singapore, Singapore
| | - Jean-Remy Makana
- Faculty of Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Hervé Memiaghe
- Institut de Recherche en Ecologie Tropicale, Centre National de la Recherche Scientifique et Technologique, Libreville, Gabon
| | - David Mitre
- Smithsonian Tropical Research Institute, Balboa, Panama
| | | | - Anuttara Nathalang
- National Biobank of Thailand, National Science and Technology Development Agency, Khlong Luang, Thailand
| | - Reuben Nilus
- Sabah Forestry Department, Forest Research Centre, Sandakan, Malaysia
| | - Nsalambi V Nkongolo
- School of Science, Navajo Technical University, Crownpoint, NM, USA
- Institut Facultaire des Sciences Agronomiques (IFA) de Yangambi, Kisangani, Democratic Republic of the Congo
| | - Vojtech Novotny
- Biology Centre, Institute of Entomology of the Czech Academy of Sciences, Ceske Budejovice, Czech Republic
- Faculty of Science, University of South Bohemia, Ceske Budejovice, Czech Republic
| | - Michael J O'Brien
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas, Almería, Spain
| | - Rolando Pérez
- Smithsonian Tropical Research Institute, Balboa, Panama
| | - Nantachai Pongpattananurak
- Thai Long-Term Forest Ecological Research Project, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok, Thailand
| | - Glen Reynolds
- Southeast Asia Rainforest Research Partnership (SEARRP), Kota Kinabalu, Malaysia
| | - Sabrina E Russo
- School of Biological Sciences, University of Nebraska, Lincoln, NE, USA
- Center for Plant Science Innovation, University of Nebraska, Lincoln, NE, USA
| | | | | | - María Uriarte
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, USA
| | - Renato Valencia
- Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Alberto Vicentini
- Coordenação de Dinâmica Ambiental (CODAM), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Tze Leong Yao
- Forestry and Environment Division, Forest Research Institute Malaysia, Kepong, Malaysia
| | - Jess K Zimmerman
- Department of Environmental Sciences, University of Puerto Rico, San Juan, PR, USA
| | - Stuart J Davies
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, USA
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8
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Liu J, Xia H, Zheng Z, Wang Y, Chen J, Ni J, Yu M, Zheng W, Liu L. Plant life history strategies vary in subtropical forests with different disturbance histories: an assessment of biodiversity, biomass, and functional traits. FRONTIERS IN PLANT SCIENCE 2024; 14:1230149. [PMID: 38269140 PMCID: PMC10806164 DOI: 10.3389/fpls.2023.1230149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 12/21/2023] [Indexed: 01/26/2024]
Abstract
Disturbance alters environmental conditions in forests. Plants growing in forests with different disturbance histories in diverse environments may adopt varying life history strategies, but few studies focus on this effect. This study comprehensively investigated plant biodiversity, biomass, and functional traits in subtropical forests with two different disturbance histories in east China to explore differences in life history strategies. Biodiversity was slightly higher in disturbed compared to conserved forests. Significantly higher biomass was measured in conserved relative to disturbed evergreen broadleaved forests (P < 0.05). In conserved forests, leaf tissue density (LTD) was significantly higher and leaf thickness (LT), leaf dry matter content (LDMC), twig tissue density (TTD), twig dry matter content (TDMC), bark tissue density (BTD) and dry matter content (BDMC), and stem tissue density (STD) and dry matter content (SDMC) were significantly lower than in disturbed forests (P < 0.05). In terms of associated plant biodiversity, biomass, and functional traits, conserved forests adopted a resource acquisition strategy, reducing biodiversity and developing multiple functional traits such as high leaf area and specific leaf area and low LT, LDMC, TTD, TDMC, BTD, BDMC, STD, and SDMC to support a high biomass accumulation rate. Disturbed forests adopted a resource conservation strategy, enhancing biodiversity and developing converse trait combinations to lower the rate of biomass accumulation. A comprehensive investigation of plant biodiversity, biomass, and functional traits and subsequent assessment of plant life history strategies in conserved and disturbed forests will aid investigations of regional biodiversity and carbon reserves, contribute data to the TRY and Chinese plant trait databases, and improve ecological management and restoration efforts in east China.
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Affiliation(s)
- Julian Liu
- The Administration Center of Zhejiang Jiulong Mountain National Nature Reserve, Lishui, China
| | - Haojun Xia
- College of Life Sciences, Zhejiang Normal University, Jinhua, China
| | - Zihong Zheng
- The Administration Center of Zhejiang Jiulong Mountain National Nature Reserve, Lishui, China
| | - Yunquan Wang
- The Administration Center of Zhejiang Jiulong Mountain National Nature Reserve, Lishui, China
- College of Life Sciences, Zhejiang Normal University, Jinhua, China
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Jianhua Chen
- College of Life Sciences, Zhejiang Normal University, Jinhua, China
| | - Jian Ni
- College of Life Sciences, Zhejiang Normal University, Jinhua, China
| | - Mingjian Yu
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Weicheng Zheng
- Suichang Ecological Forestry Development Center, Lishui, China
| | - Libin Liu
- College of Life Sciences, Zhejiang Normal University, Jinhua, China
- College of Life Sciences, Zhejiang University, Hangzhou, China
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9
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Cooper DLM, Lewis SL, Sullivan MJP, Prado PI, Ter Steege H, Barbier N, Slik F, Sonké B, Ewango CEN, Adu-Bredu S, Affum-Baffoe K, de Aguiar DPP, Ahuite Reategui MA, Aiba SI, Albuquerque BW, de Almeida Matos FD, Alonso A, Amani CA, do Amaral DD, do Amaral IL, Andrade A, de Andrade Miranda IP, Angoboy IB, Araujo-Murakami A, Arboleda NC, Arroyo L, Ashton P, Aymard C GA, Baider C, Baker TR, Balinga MPB, Balslev H, Banin LF, Bánki OS, Baraloto C, Barbosa EM, Barbosa FR, Barlow J, Bastin JF, Beeckman H, Begne S, Bengone NN, Berenguer E, Berry N, Bitariho R, Boeckx P, Bogaert J, Bonyoma B, Boundja P, Bourland N, Boyemba Bosela F, Brambach F, Brienen R, Burslem DFRP, Camargo JL, Campelo W, Cano A, Cárdenas S, Cárdenas López D, de Sá Carpanedo R, Carrero Márquez YA, Carvalho FA, Casas LF, Castellanos H, Castilho CV, Cerón C, Chapman CA, Chave J, Chhang P, Chutipong W, Chuyong GB, Cintra BBL, Clark CJ, Coelho de Souza F, Comiskey JA, Coomes DA, Cornejo Valverde F, Correa DF, Costa FRC, Costa JBP, Couteron P, Culmsee H, Cuni-Sanchez A, Dallmeier F, Damasco G, Dauby G, Dávila N, Dávila Doza HP, De Alban JDT, de Assis RL, De Canniere C, De Haulleville T, de Jesus Veiga Carim M, Demarchi LO, Dexter KG, Di Fiore A, Din HHM, Disney MI, Djiofack BY, Djuikouo MNK, Do TV, Doucet JL, Draper FC, Droissart V, Duivenvoorden JF, Engel J, Estienne V, Farfan-Rios W, Fauset S, Feeley KJ, Feitosa YO, Feldpausch TR, Ferreira C, Ferreira J, Ferreira LV, Fletcher CD, Flores BM, Fofanah A, Foli EG, Fonty É, Fredriksson GM, Fuentes A, Galbraith D, Gallardo Gonzales GP, Garcia-Cabrera K, García-Villacorta R, Gomes VHF, Gómez RZ, Gonzales T, Gribel R, Guedes MC, Guevara JE, Hakeem KR, Hall JS, Hamer KC, Hamilton AC, Harris DJ, Harrison RD, Hart TB, Hector A, Henkel TW, Herbohn J, Hockemba MBN, Hoffman B, Holmgren M, Honorio Coronado EN, Huamantupa-Chuquimaco I, Hubau W, Imai N, Irume MV, Jansen PA, Jeffery KJ, Jimenez EM, Jucker T, Junqueira AB, Kalamandeen M, Kamdem NG, Kartawinata K, Kasongo Yakusu E, Katembo JM, Kearsley E, Kenfack D, Kessler M, Khaing TT, Killeen TJ, Kitayama K, Klitgaard B, Labrière N, Laumonier Y, Laurance SGW, Laurance WF, Laurent F, Le TC, Le TT, Leal ME, Leão de Moraes Novo EM, Levesley A, Libalah MB, Licona JC, Lima Filho DDA, Lindsell JA, Lopes A, Lopes MA, Lovett JC, Lowe R, Lozada JR, Lu X, Luambua NK, Luize BG, Maas P, Magalhães JLL, Magnusson WE, Mahayani NPD, Makana JR, Malhi Y, Maniguaje Rincón L, Mansor A, Manzatto AG, Marimon BS, Marimon-Junior BH, Marshall AR, Martins MP, Mbayu FM, de Medeiros MB, Mesones I, Metali F, Mihindou V, Millet J, Milliken W, Mogollón HF, Molino JF, Mohd Said MN, Monteagudo Mendoza A, Montero JC, Moore S, Mostacedo B, Mozombite Pinto LF, Mukul SA, Munishi PKT, Nagamasu H, Nascimento HEM, Nascimento MT, Neill D, Nilus R, Noronha JC, Nsenga L, Núñez Vargas P, Ojo L, Oliveira AA, de Oliveira EA, Ondo FE, Palacios Cuenca W, Pansini S, Pansonato MP, Paredes MR, Paudel E, Pauletto D, Pearson RG, Pena JLM, Pennington RT, Peres CA, Permana A, Petronelli P, Peñuela Mora MC, Phillips JF, Phillips OL, Pickavance G, Piedade MTF, Pitman NCA, Ploton P, Popelier A, Poulsen JR, Prieto A, Primack RB, Priyadi H, Qie L, Quaresma AC, de Queiroz HL, Ramirez-Angulo H, Ramos JF, Reis NFC, Reitsma J, Revilla JDC, Riutta T, Rivas-Torres G, Robiansyah I, Rocha M, Rodrigues DDJ, Rodriguez-Ronderos ME, Rovero F, Rozak AH, Rudas A, Rutishauser E, Sabatier D, Sagang LB, Sampaio AF, Samsoedin I, Satdichanh M, Schietti J, Schöngart J, Scudeller VV, Seuaturien N, Sheil D, Sierra R, Silman MR, Silva TSF, da Silva Guimarães JR, Simo-Droissart M, Simon MF, Sist P, Sousa TR, de Sousa Farias E, de Souza Coelho L, Spracklen DV, Stas SM, Steinmetz R, Stevenson PR, Stropp J, Sukri RS, Sunderland TCH, Suzuki E, Swaine MD, Tang J, Taplin J, Taylor DM, Tello JS, Terborgh J, Texier N, Theilade I, Thomas DW, Thomas R, Thomas SC, Tirado M, Toirambe B, de Toledo JJ, Tomlinson KW, Torres-Lezama A, Tran HD, Tshibamba Mukendi J, Tumaneng RD, Umaña MN, Umunay PM, Urrego Giraldo LE, Valderrama Sandoval EH, Valenzuela Gamarra L, Van Andel TR, van de Bult M, van de Pol J, van der Heijden G, Vasquez R, Vela CIA, Venticinque EM, Verbeeck H, Veridiano RKA, Vicentini A, Vieira ICG, Vilanova Torre E, Villarroel D, Villa Zegarra BE, Vleminckx J, von Hildebrand P, Vos VA, Vriesendorp C, Webb EL, White LJT, Wich S, Wittmann F, Zagt R, Zang R, Zartman CE, Zemagho L, Zent EL, Zent S. Consistent patterns of common species across tropical tree communities. Nature 2024; 625:728-734. [PMID: 38200314 PMCID: PMC10808064 DOI: 10.1038/s41586-023-06820-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 11/01/2023] [Indexed: 01/12/2024]
Abstract
Trees structure the Earth's most biodiverse ecosystem, tropical forests. The vast number of tree species presents a formidable challenge to understanding these forests, including their response to environmental change, as very little is known about most tropical tree species. A focus on the common species may circumvent this challenge. Here we investigate abundance patterns of common tree species using inventory data on 1,003,805 trees with trunk diameters of at least 10 cm across 1,568 locations1-6 in closed-canopy, structurally intact old-growth tropical forests in Africa, Amazonia and Southeast Asia. We estimate that 2.2%, 2.2% and 2.3% of species comprise 50% of the tropical trees in these regions, respectively. Extrapolating across all closed-canopy tropical forests, we estimate that just 1,053 species comprise half of Earth's 800 billion tropical trees with trunk diameters of at least 10 cm. Despite differing biogeographic, climatic and anthropogenic histories7, we find notably consistent patterns of common species and species abundance distributions across the continents. This suggests that fundamental mechanisms of tree community assembly may apply to all tropical forests. Resampling analyses show that the most common species are likely to belong to a manageable list of known species, enabling targeted efforts to understand their ecology. Although they do not detract from the importance of rare species, our results open new opportunities to understand the world's most diverse forests, including modelling their response to environmental change, by focusing on the common species that constitute the majority of their trees.
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Affiliation(s)
- Declan L M Cooper
- Department of Geography, University College London, London, UK.
- Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, London, UK.
| | - Simon L Lewis
- Department of Geography, University College London, London, UK.
- School of Geography, University of Leeds, Leeds, UK.
| | - Martin J P Sullivan
- School of Geography, University of Leeds, Leeds, UK
- Department of Natural Sciences, Manchester Metropolitan University, Manchester, UK
| | - Paulo I Prado
- Instituto de Biociências, Departamento de Ecologia, Universidade de Sao Paulo (USP), São Paulo, Brazil
| | - Hans Ter Steege
- Naturalis Biodiversity Center, Leiden, The Netherlands
- Quantitative Biodiversity Dynamics, Department of Biology, Utrecht University, Utrecht, The Netherlands
| | - Nicolas Barbier
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
| | - Ferry Slik
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Bonaventure Sonké
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Plant Systematics and Ecology Laboratory, Higher Teachers' Training College, University of Yaoundé I, Yaoundé, Cameroon
| | - Corneille E N Ewango
- Faculty of Renewable Natural Resources Management and Faculty of Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | | | | | - Daniel P P de Aguiar
- Procuradoria-Geral de Justiça, Ministério Público do Estado do Amazonas, Manaus, Brazil
- Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Shin-Ichiro Aiba
- Faculty of Environmental Earth Science, Hokkaido University, Sapporo, Japan
| | - Bianca Weiss Albuquerque
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Alfonso Alonso
- Center for Conservation and Sustainability, Smithsonian Conservation Biology Institute, Washington, DC, USA
| | - Christian A Amani
- Center for International Forestry Research (CIFOR), Bogor, Indonesia
- Université Officielle de Bukavu, Bukavu, Democratic Republic of the Congo
| | | | - Iêda Leão do Amaral
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Ana Andrade
- Projeto Dinâmica Biológica de Fragmentos Florestais, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Ilondea B Angoboy
- Institut National pour l'Etude et la Recherche Agronomiques, Bukavu, Democratic Republic of the Congo
| | - Alejandro Araujo-Murakami
- Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel Rene Moreno, Santa Cruz, Santa Cruz, Bolivia
| | | | - Luzmila Arroyo
- Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel Rene Moreno, Santa Cruz, Santa Cruz, Bolivia
| | - Peter Ashton
- Bullard Emeritus Professor of Forestry, Harvard University, Cambridge, MA, USA
| | - Gerardo A Aymard C
- Programa de Ciencias del Agro y el Mar, Herbario Universitario (PORT), UNELLEZ-Guanare, Guanare, Venezuela
| | - Cláudia Baider
- The Mauritius Herbarium, Agricultural Services, Ministry of Agro-Industry and Food Security, Reduit, Mauritius
- Instituto de Biociências, Departamento de Ecologia, Universidade de São Paulo (USP), São Paulo, Brazil
| | | | | | - Henrik Balslev
- Department of Biology, Aarhus University, Aarhus C, Aarhus, Denmark
| | | | - Olaf S Bánki
- Naturalis Biodiversity Center, Leiden, The Netherlands
| | - Chris Baraloto
- International Center for Tropical Botany, Department of Biological Sciences, Florida International University, Miami, FL, USA
| | | | | | - Jos Barlow
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
| | - Jean-Francois Bastin
- TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, University of Liege, Gembloux, Belgium
| | - Hans Beeckman
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
| | - Serge Begne
- School of Geography, University of Leeds, Leeds, UK
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Plant Systematics and Ecology Laboratory, Higher Teachers' Training College, University of Yaoundé I, Yaoundé, Cameroon
| | | | - Erika Berenguer
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
| | | | - Robert Bitariho
- Institute of Tropical Forest Conservation, Mbarara University of Science and Technology (MUST), Mbarara, Uganda
| | - Pascal Boeckx
- Isotope Bioscience Laboratory (ISOFYS), Ghent University, Ghent, Belgium
| | - Jan Bogaert
- Biodiversity and Landscape Unit, Gembloux Agro-Bio Tech, Université de Liege, Liège, Belgium
| | - Bernard Bonyoma
- Section de la Foresterie, Institut National pour l'Etude et la Recherche Agronomique Yangambi, Yangambi, Democratic Republic of the Congo
| | - Patrick Boundja
- Center for International Forestry Research (CIFOR), Bogor, Indonesia
- Congo Programme, Wildlife Conservation Society, Brazzaville, Republic of Congo
| | - Nils Bourland
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- CIFOR, Bogor, Indonesia
- Forest Resources Management, Gembloux Agro-Bio Tech, University of Liège, Liège, Belgium
- Resources and Synergies Development, Singapore, Singapore
| | - Faustin Boyemba Bosela
- Laboratory of Ecology and Forest Management, Faculty of Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Fabian Brambach
- Biodiversity, Macroecology and Biogeography, University of Göttingen, Göttingen, Germany
| | - Roel Brienen
- School of Geography, University of Leeds, Leeds, UK
| | | | - José Luís Camargo
- Projeto Dinâmica Biológica de Fragmentos Florestais, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Wegliane Campelo
- Universidade Federal do Amapá, Ciências Ambientais, Macapá, Brazil
| | - Angela Cano
- Laboratorio de Ecología de Bosques Tropicales y Primatología, Universidad de los Andes, Bogotá, Colombia
- Cambridge University Botanic Garden, Cambridge, UK
| | - Sasha Cárdenas
- Laboratorio de Ecología de Bosques Tropicales y Primatología, Universidad de los Andes, Bogotá, Colombia
| | | | | | | | - Fernanda Antunes Carvalho
- Coordenação de Pesquisas em Ecologia, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Belo Horizonte, Brazil
| | - Luisa Fernanda Casas
- Laboratorio de Ecología de Bosques Tropicales y Primatología, Universidad de los Andes, Bogotá, Colombia
| | - Hernán Castellanos
- Centro de Investigaciones Ecológicas de Guayana, Universidad Nacional Experimental de Guayana, Puerto Ordaz, Venezuela
| | - Carolina V Castilho
- Centro de Pesquisa Agroflorestal de Roraima, Embrapa Roraima, Boa Vista, Brazil
| | - Carlos Cerón
- Escuela de Biología Herbario Alfredo Paredes, Universidad Central, Quito, Ecuador
| | - Colin A Chapman
- Biology Department, Vancouver Island University, Nanaimo, British Columbia, Canada
- Shaanxi Key Laboratory for Animal Conservation, Northwest University, Xi'an, China
- School of Life Sciences, University of KwaZulu-Natal, Scottsville, South Africa
| | - Jerome Chave
- Laboratoire Évolution et Diversité Biologique, CNRS and Université Paul Sabatier, Toulouse, France
| | - Phourin Chhang
- Institute of Forest and Wildlife Research and Development (IRD), Phnom Penh, Cambodia
| | - Wanlop Chutipong
- Conservation Ecology Program, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
| | - George B Chuyong
- Faculty of Science, Department of Plant Science, University of Buea, Buea, Cameroon
| | | | - Connie J Clark
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Fernanda Coelho de Souza
- Coordenação de Pesquisas em Ecologia, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
- University of Leeds, Leeds, UK
- BeZero, London, UK
| | - James A Comiskey
- Inventory and Monitoring Program, National Park Service, Fredericksburg, VA, USA
- Smithsonian Conservation Biology Institute, Washington, DC, USA
| | - David A Coomes
- Department of Plant Sciences and Conservation Research Institute, University of Cambridge, Cambridge, UK
| | | | - Diego F Correa
- Laboratorio de Ecología de Bosques Tropicales y Primatología, Universidad de los Andes, Bogotá, Colombia
- The University of Queensland, Brisbane, Queensland, Australia
| | - Flávia R C Costa
- Coordenação de Pesquisas em Ecologia, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Pierre Couteron
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
| | - Heike Culmsee
- State Agency for Environment, Nature Conservation and Geology, Güstrow, Germany
| | - Aida Cuni-Sanchez
- Department of Environment and Geography, University of York, York, UK
- Department of International Environmental and Development Studies (NORAGRIC), Norwegian University of Life Sciences, Ås, Norway
| | - Francisco Dallmeier
- Center for Conservation and Sustainability, Smithsonian Conservation Biology Institute, Washington, DC, USA
| | - Gabriel Damasco
- Gothenburg Global Biodiversity Centre, University of Gothenburg, Gothenburg, Sweden
| | - Gilles Dauby
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
| | - Nállarett Dávila
- Departamento de Biologia Vegetal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
| | | | - Jose Don T De Alban
- Centre for Nature-Based Climate Solutions, Department of Biological Sciences, National University of Singapore, Singapore, Singapore
- Phillipines Programme, Fauna and Flora International, Cambridge, UK
| | - Rafael L de Assis
- Biodiversity and Ecosystem Services, Instituto Tecnológico Vale, Belém, Brazil
| | - Charles De Canniere
- Landscape Ecology and Vegetal Production Systems Unit, Universite Libre de Bruxelles, Brussels, Belgium
| | | | | | - Layon O Demarchi
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Kyle G Dexter
- School of Geosciences, University of Edinburgh, Edinburgh, UK
- Royal Botanic Garden Edinburgh, Edinburgh, UK
| | - Anthony Di Fiore
- Department of Anthropology, University of Texas at Austin, Austin, TX, USA
- Estación de Biodiversidad Tiputini, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito (USFQ), Quito, Ecuador
| | - Hazimah Haji Mohammad Din
- Institute for Biodiversity and Environmental Research, Universiti Brunei Darussalam, Bandar Seri Begawan, Brunei Darussalam
| | | | - Brice Yannick Djiofack
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- Institut National pour l'Etude et la Recherche Agronomiques (INERA), Wood Laboratory of Yangambi, Yangambi, Democratic Republic of the Congo
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Marie-Noël K Djuikouo
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Faculty of Science, Department of Plant Science, University of Buea, Buea, Cameroon
| | - Tran Van Do
- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Hanoi, Vietnam
| | - Jean-Louis Doucet
- Forest Is Life, TERRA, Gembloux Agro-Bio Tech, Liège University, Liège, Belgium
| | - Freddie C Draper
- Department of Geography and Planning, University of Liverpool, Liverpool, UK
| | - Vincent Droissart
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
| | - Joost F Duivenvoorden
- Institute of Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
| | - Julien Engel
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- Florida International University, Miami, FL, USA
| | - Vittoria Estienne
- Congo Programme, Wildlife Conservation Society, Brazzaville, Republic of Congo
| | - William Farfan-Rios
- Living Earth Collaborative, Washington University in Saint Louis, St Louis, MO, USA
- Missouri Botanical Garden, St Louis, MO, USA
| | - Sophie Fauset
- School of Geography, Earth and Environmental Sciences, University of Plymouth, Plymouth, UK
| | - Kenneth J Feeley
- Department of Biology, University of Miami, Coral Gables, FL, USA
- Fairchild Tropical Botanic Garden, Coral Gables, FL, USA
| | - Yuri Oliveira Feitosa
- Programa de Pós-Graduação em Biologia (Botânica), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Ted R Feldpausch
- University of Leeds, Leeds, UK
- Department of Geography, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | - Cid Ferreira
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Joice Ferreira
- Empresa Brasileira de Pesquisa Agropecuária, Embrapa Amazônia Oriental, Belém, Brazil
| | | | | | | | | | - Ernest G Foli
- Forestry Research Institute of Ghana (FORIG), Kumasi, Ghana
| | - Émile Fonty
- Direction Régionale de la Guyane, Office National des Forêts, Cayenne, French Guiana
- Université de Montpellier, Montpellier, France
| | | | - Alfredo Fuentes
- Missouri Botanical Garden, St Louis, MO, USA
- Herbario Nacional de Bolivia, Instituto de Ecología, Carrera de Biología, Universidad Mayor de San Andrés, La Paz, Bolivia
| | | | | | - Karina Garcia-Cabrera
- Biology Department and Center for Energy, Environment and Sustainability, Wake Forest University, Winston Salem, NC, USA
| | - Roosevelt García-Villacorta
- Programa Restauración de Ecosistemas (PRE), Centro de Innovación Científica Amazónica (CINCIA), Tambopata, Peru
- Peruvian Center for Biodiversity and Conservation (PCBC), Iquitos, Peru
| | - Vitor H F Gomes
- Escola de Negócios Tecnologia e Inovação, Centro Universitário do Pará, Belém, Brazil
- Universidade Federal do Pará, Belém, Brazil
| | - Ricardo Zárate Gómez
- PROTERRA, Instituto de Investigaciones de la Amazonía Peruana (IIAP), Iquitos, Peru
| | | | - Rogerio Gribel
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Juan Ernesto Guevara
- Grupo de Investigación en Biodiversidad, Medio Ambiente y Salud-BIOMAS, Universidad de las Américas, Quito, Ecuador
- The Field Museum, Chicago, IL, USA
| | - Khalid Rehman Hakeem
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jefferson S Hall
- Forest Global Earth Observatory (ForestGEO), Smithsonian Tropical Research Institute, Washington, DC, USA
| | | | - Alan C Hamilton
- Honorary Professor, Kunming Institute of Botany, Chinese Academy of Science, Kunming, China
| | | | | | - Terese B Hart
- Lukuru Wildlife Research Foundation, Kinshasa, Democratic Republic of the Congo
- Division of Vertebrate Zoology, Yale Peabody Museum of Natural History, New Haven, CT, USA
| | - Andy Hector
- Department of Plant Sciences, University of Oxford, Oxford, UK
| | - Terry W Henkel
- Department of Biological Sciences, California State Polytechnic University, Humboldt, Arcata, CA, USA
| | - John Herbohn
- Tropical Forests and People Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | | | | | - Milena Holmgren
- Resource Ecology Group, Wageningen University and Research, Wageningen, The Netherlands
| | - Euridice N Honorio Coronado
- Instituto de Investigaciones de la Amazonía Peruana (IIAP), Iquitos, Peru
- University of St Andrews, St Andrews, UK
| | | | - Wannes Hubau
- School of Geography, University of Leeds, Leeds, UK
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- Department of Environment, Laboratory of Wood Technology (Woodlab), Ghent University, Ghent, Belgium
| | - Nobuo Imai
- Department of Forest Science, Tokyo University of Agriculture, Tokyo, Japan
| | - Mariana Victória Irume
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Patrick A Jansen
- Smithsonian Tropical Research Institute, Ancon, Panama
- Department of Environmental Sciences, Wageningen University and Research, Wageningen, The Netherlands
| | - Kathryn J Jeffery
- Department of Biological and Environmental Sciences, University of Stirling, Stirling, UK
| | - Eliana M Jimenez
- Grupo de Ecología y Conservación de Fauna y Flora Silvestre, Instituto Amazónico de Investigaciones Imani, Universidad Nacional de Colombia sede Amazonia, Leticia, Colombia
| | - Tommaso Jucker
- School of Biological Sciences, University of Bristol, Bristol, UK
| | - André Braga Junqueira
- Institut de Ciència i Tecnologia Ambientals, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Michelle Kalamandeen
- School of Earth, Environment and Society, McMaster University, Hamilton, Ontario, Canada
| | - Narcisse G Kamdem
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Plant Systematics and Ecology Laboratory, Higher Teachers' Training College, University of Yaoundé I, Yaoundé, Cameroon
| | - Kuswata Kartawinata
- Integrative Research Center, The Field Museum of Natural History, Chicago, IL, USA
| | - Emmanuel Kasongo Yakusu
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Faculté de Gestion de Ressources Naturelles Renouvelables, Université de Kisangani, Kisangani, Democratic Republic of the Congo
| | - John M Katembo
- Laboratory of Ecology and Forest Management, Faculty of Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Elizabeth Kearsley
- Computational and Applied Vegetation Ecology (CAVElab), Department of Environment, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - David Kenfack
- Forest Global Earth Observatory (ForestGEO), Smithsonian Tropical Research Institute, Washington, DC, USA
| | - Michael Kessler
- Department of Systematic and Evolutionary Botany, University of Zurich, Zurich, Switzerland
| | - Thiri Toe Khaing
- Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, China
- University of the Chinese Academy of Sciences, Beijing, China
| | | | | | - Bente Klitgaard
- Department for Accelerated Taxonomy, Royal Botanic Gardens, Richmond, UK
| | - Nicolas Labrière
- Laboratoire Évolution et Diversité Biologique, CNRS and Université Paul Sabatier, Toulouse, France
| | - Yves Laumonier
- Forest and Environment Program, Center for International Forestry Research (CIFOR), Bogor, Indonesia
| | - Susan G W Laurance
- Centre for Tropical Environmental and Sustainability Science and College of Science and Engineering, James Cook University, Cairns, Queensland, Australia
| | - William F Laurance
- Centre for Tropical Environmental and Sustainability Science and College of Science and Engineering, James Cook University, Cairns, Queensland, Australia
| | - Félix Laurent
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- Institut National pour l'Etude et la Recherche Agronomiques (INERA), Wood Laboratory of Yangambi, Yangambi, Democratic Republic of the Congo
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Tinh Cong Le
- Viet Nature Conservation Centre, Hanoi, Viet Nam
| | | | - Miguel E Leal
- Uganda Programme, Wildlife Conservation Society, Kampala, Uganda
| | | | | | - Moses B Libalah
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Plant Systematics and Ecology Laboratory, Higher Teachers' Training College, University of Yaoundé I, Yaoundé, Cameroon
- Department of Plant Biology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon
| | - Juan Carlos Licona
- Instituto Boliviano de Investigacion Forestal, Santa Cruz, Santa Cruz, Bolivia
| | | | | | - Aline Lopes
- Department of Ecology, Institute of Biological Sciences, University of Brasilia, Brasilia, Brazil
| | | | - Jon C Lovett
- School of Geography, University of Leeds, Leeds, UK
- Herbarium, Royal Botanic Gardens Kew, Richmond, UK
| | - Richard Lowe
- Botany Department, University of Ibadan, Ibadan, Nigeria
| | - José Rafael Lozada
- Facultad de Ciencias Forestales y Ambientales, Instituto de Investigaciones para el Desarrollo Forestal, Universidad de los Andes, Mérida, Mérida, Venezuela
| | - Xinghui Lu
- Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing, China
| | - Nestor K Luambua
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- Institut National pour l'Etude et la Recherche Agronomiques (INERA), Wood Laboratory of Yangambi, Yangambi, Democratic Republic of the Congo
- Faculty of Renewable Natural Resources Management, University of Kisangani, Kisangani, Democratic Republic of the Congo
- Faculté des sciences Agronomiques, Université Officielle de Mbujimayi, Mbujimayi, Democratic Republic of the Congo
| | - Bruno Garcia Luize
- Departamento de Biologia Vegetal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
| | - Paul Maas
- Naturalis Biodiversity Center, Leiden, The Netherlands
| | - José Leonardo Lima Magalhães
- Programa de Pós-Graduação em Ecologia, Universidade Federal do Pará, Belém, Brazil
- Embrapa Amazônia Oriental, Belém, Brazil
| | - William E Magnusson
- Coordenação de Pesquisas em Ecologia, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Jean-Remy Makana
- Faculté des Sciences, Laboratoire d'Écologie et Aménagement Forestier, Université de Kisangani, Kisangani, Democratic Republic of the Congo
| | - Yadvinder Malhi
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
| | - Lorena Maniguaje Rincón
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Asyraf Mansor
- School of Biological Sciences, Universiti Sains Malaysia, George Town, Malaysia
- Centre for Marine and Coastal Studies, Universiti Sains Malaysia, George Town, Malaysia
| | | | - Beatriz S Marimon
- Programa de Pós-Graduação em Ecologia e Conservação, Universidade do Estado de Mato Grosso, Nova Xavantina, Brazil
| | - Ben Hur Marimon-Junior
- Programa de Pós-Graduação em Ecologia e Conservação, Universidade do Estado de Mato Grosso, Nova Xavantina, Brazil
| | - Andrew R Marshall
- Department of Environment and Geography, University of York, York, UK
- Flamingo Land, Kirby Misperton, UK
- Forest Research Institute, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Maria Pires Martins
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | | | - Italo Mesones
- Department of Integrative Biology, University of California, Berkeley, CA, USA
| | - Faizah Metali
- Environmental and Life Sciences Programme, Faculty of Science, Universiti Brunei Darussalam, Bandar Seri Begawan, Brunei Darussalam
| | - Vianet Mihindou
- Agence Nationale des Parcs Nationaux, Libreville, Gabon
- Ministère de la Forêt, de la Mer, de l'Environnement, Chargé du Plan Climat, Libreville, Gabon
| | - Jerome Millet
- Office français de la biodiversité, Vincennes, France
| | - William Milliken
- Department for Ecosystem Stewardship, Royal Botanic Gardens, Richmond, UK
| | | | - Jean-François Molino
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
| | | | - Abel Monteagudo Mendoza
- Jardín Botánico de Missouri, Oxapampa, Peru
- Herbario Vargas, Universidad Nacional de San Antonio Abad del Cusco, Cuzco, Peru
| | - Juan Carlos Montero
- Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
- Instituto Boliviano de Investigacion Forestal, Santa Cruz, Santa Cruz, Bolivia
| | - Sam Moore
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
| | - Bonifacio Mostacedo
- Facultad de Ciencias Agrícolas, Universidad Autónoma Gabriel René Moreno, Santa Cruz, Santa Cruz, Bolivia
| | | | - Sharif Ahmed Mukul
- Tropical Forests and People Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- Department of Environment and Development Studies, United International University, Dhaka, Bangladesh
| | - Pantaleo K T Munishi
- Department of Ecosystems and Conservation, Sokoine University of Agriculture, Morogoro, Tanzania
| | | | | | - Marcelo Trindade Nascimento
- Laboratório de Ciências Ambientais, Universidade Estadual do Norte Fluminense, Campos dos Goyatacazes, Brazil
| | - David Neill
- Universidad Estatal Amazónica, Puyo, Ecuador
| | | | | | - Laurent Nsenga
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
| | - Percy Núñez Vargas
- Herbario Vargas, Universidad Nacional de San Antonio Abad del Cusco, Cuzco, Peru
| | - Lucas Ojo
- University of Abeokuta, Abeokuta, Nigeria
| | - Alexandre A Oliveira
- Instituto de Biociências, Departamento de Ecologia, Universidade de Sao Paulo (USP), São Paulo, Brazil
| | - Edmar Almeida de Oliveira
- Programa de Pós-Graduação em Ecologia e Conservação, Universidade do Estado de Mato Grosso, Nova Xavantina, Brazil
| | | | | | - Susamar Pansini
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia PPG-Bionorte, Universidade Federal de Rondônia, Porto Velho, Brazil
| | - Marcelo Petratti Pansonato
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
- Instituto de Biociências, Departamento de Ecologia, Universidade de São Paulo (USP), São Paulo, Brazil
| | | | - Ekananda Paudel
- Centre for Mountain Ecosystem Studies, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Daniela Pauletto
- Instituto de Biodiversidade e Florestas, Universidade Federal do Oeste do Pará, Santarém, Brazil
| | - Richard G Pearson
- Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, London, UK
| | | | - R Toby Pennington
- Royal Botanic Garden Edinburgh, Edinburgh, UK
- Department of Geography, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | - Carlos A Peres
- School of Environmental Sciences, University of East Anglia, Norwich, UK
| | | | - Pascal Petronelli
- Cirad UMR Ecofog, AgrosParisTech, CNRS, INRAE, Université Guyane, Kourou Cedex, France
| | | | | | | | | | - Maria Teresa Fernandez Piedade
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Pierre Ploton
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
| | - Andreas Popelier
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Faculté de Gestion de Ressources Naturelles Renouvelables, Université de Kisangani, Kisangani, Democratic Republic of the Congo
| | - John R Poulsen
- Nicholas School of the Environment, Duke University, Durham, NC, USA
- The Nature Conservancy, Boulder, CO, USA
| | - Adriana Prieto
- Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá, Colombia
| | | | - Hari Priyadi
- Department of Resource and Environmental Economics (ESL), IPB University, Bogor, Indonesia
| | - Lan Qie
- School of Geography, University of Leeds, Leeds, UK
- School of Life Sciences, University of Lincoln, Lincoln, UK
| | - Adriano Costa Quaresma
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
- Wetland Department, Institute of Geography and Geoecology, Karlsruhe Institute of Technology (KIT), Rastatt, Germany
| | - Helder Lima de Queiroz
- Diretoria Técnico-Científica, Instituto de Desenvolvimento Sustentável Mamirauá, Tefé, Brazil
| | - Hirma Ramirez-Angulo
- Instituto de Investigaciones para el Desarrollo Forestal (INDEFOR), Universidad de los Andes, Mérida, Mérida, Venezuela
| | - José Ferreira Ramos
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Neidiane Farias Costa Reis
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia PPG-Bionorte, Universidade Federal de Rondônia, Porto Velho, Brazil
| | - Jan Reitsma
- Waardenburg Ecology, Culemborg, The Netherlands
| | | | - Terhi Riutta
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
- College of Life Sciences, University of Exeter, Exeter, UK
| | - Gonzalo Rivas-Torres
- Estación de Biodiversidad Tiputini, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito (USFQ), Quito, Ecuador
- University of Florida, Gainesville, FL, USA
| | - Iyan Robiansyah
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
- Center for Plant Conservation Bogor Botanic Gardens, Indonesian Institute of Science, Bogor, Indonesia
| | - Maira Rocha
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - M Elizabeth Rodriguez-Ronderos
- Centre for Nature-Based Climate Solutions, Department of Biological Sciences, National University of Singapore, Singapore, Singapore
- Department of Geography, National University of Singapore, Singapore, Singapore
| | - Francesco Rovero
- Deparment of Biology, University of Florence, Sesto Fiorentino, Italy
- Tropical Biodiversity Section, Museo delle Scienze (MUSE), Trento, Italy
| | - Andes H Rozak
- Research Center for Plant Conservation, Botanic Gardens and Forestry, National Research and Innovation Agency (BRIN), Bogor, Indonesia
| | - Agustín Rudas
- Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá, Colombia
| | | | - Daniel Sabatier
- AMAP, Université de Montpellier, IRD, Cirad, CNRS, INRAE, Montpellier, France
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
| | - Le Bienfaiteur Sagang
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Plant Systematics and Ecology Laboratory, Higher Teachers' Training College, University of Yaoundé I, Yaoundé, Cameroon
- Institute of the Environment and Sustainability, University of California, Los Angeles, CA, USA
| | - Adeilza Felipe Sampaio
- Programa de Pós-Graduação em Biodiversidade e Biotecnologia PPG-Bionorte, Universidade Federal de Rondônia, Porto Velho, Brazil
| | - Ismayadi Samsoedin
- Forest Research and Development Center, Research, Development and Innovation Agency, Ministry of Environment and Forestry, Bogor, Indonesia
| | - Manichanh Satdichanh
- Centre for Mountain Ecosystem Studies, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Juliana Schietti
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Jochen Schöngart
- Ecology, Monitoring and Sustainable Use of Wetlands (MAUA), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Veridiana Vizoni Scudeller
- Departamento de Biologia, Universidade Federal do Amazonas (UFAM)-Instituto de Ciências Biológicas (ICB1), Manaus, Brazil
| | | | - Douglas Sheil
- Forest Ecology and Forest Management Group, Wageningen University and Research, Wageningen, The Netherlands
| | | | - Miles R Silman
- Biology Department and Center for Energy, Environment and Sustainability, Wake Forest University, Winston Salem, NC, USA
| | | | | | - Murielle Simo-Droissart
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Plant Systematics and Ecology Laboratory, Higher Teachers' Training College, University of Yaoundé I, Yaoundé, Cameroon
| | | | - Plinio Sist
- Cirad-ES, Campus International de Baillarguet, TA C-105/D, Montpellier, France
| | - Thaiane R Sousa
- Programa de Pós-Graduação em Ecologia, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Emanuelle de Sousa Farias
- Laboratório de Ecologia de Doenças Transmissíveis da Amazônia (EDTA), Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Brazil
- Instituto Oswaldo Cruz (IOC/FIOCRUZ), Rio de Janeiro, Brazil
| | - Luiz de Souza Coelho
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Suzanne M Stas
- School of Earth and Environment, University of Leeds, Leeds, UK
| | | | - Pablo R Stevenson
- Laboratorio de Ecología de Bosques Tropicales y Primatología, Universidad de los Andes, Bogotá, Colombia
| | - Juliana Stropp
- Biogeography Department, Trier University, Trier, Germany
| | - Rahayu S Sukri
- Institute for Biodiversity and Environmental Research, Universiti Brunei Darussalam, Bandar Seri Begawan, Brunei Darussalam
| | - Terry C H Sunderland
- Center for International Forestry Research (CIFOR), Bogor, Indonesia
- Faculty of Forestry, University of British Columbia, Vancouver, British Columbia, Canada
| | - Eizi Suzuki
- Research Center for the Pacific Islands, Kagoshima University, Kagoshima, Japan
| | - Michael D Swaine
- Department of Plant and Soil Science, School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Jianwei Tang
- Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, China
| | - James Taplin
- UK Research and Innovation, Innovate UK, London, UK
| | - David M Taylor
- Department of Geography, National University of Singapore, Singapore, Singapore
| | - J Sebastián Tello
- Center for Conservation and Sustainable Development, Missouri Botanical Garden, St Louis, MO, USA
| | - John Terborgh
- Department of Biology and Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
- James Cook University, Cairns, Queensland, Australia
| | | | - Ida Theilade
- Department of Food and Resource Economics, University of Copenhagen, Copenhagen, Denmark
| | - Duncan W Thomas
- School of Biological Sciences, Washington State University, Vancouver, WA, USA
| | - Raquel Thomas
- Iwokrama International Centre for Rain Forest Conservation and Development, Georgetown, Guyana
| | - Sean C Thomas
- Institute of Forestry and Conservation, University of Toronto, Toronto, Ontario, Canada
| | | | - Benjamin Toirambe
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- Ministère de l'Environnement et Développement Durable, Kinshasa, Democratic Republic of the Congo
| | | | - Kyle W Tomlinson
- Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, China
- Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, China
| | - Armando Torres-Lezama
- Instituto de Investigaciones para el Desarrollo Forestal (INDEFOR), Universidad de los Andes, Mérida, Mérida, Venezuela
| | | | - John Tshibamba Mukendi
- Service of Wood Biology, Royal Museum for Central Africa, Tervuren, Belgium
- Faculté de Gestion de Ressources Naturelles Renouvelables, Université de Kisangani, Kisangani, Democratic Republic of the Congo
- Faculté des Sciences Appliquées, Université de Mbujimayi, Mbujimayi, Democratic Republic of the Congo
| | - Roven D Tumaneng
- Phillipines Programme, Fauna and Flora International, Cambridge, UK
- Emerging Technology Development Division, Department of Science and Technology Philippine Council for Industry, Energy and Emerging Technology Research and Development (DOST-PCIEERD), Taguig City, Philippines
| | - Maria Natalia Umaña
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Peter M Umunay
- Wildlife Conservation Society, New York, NY, USA
- Yale School of Forestry and Environmental Studies, Yale University, New Haven, CT, USA
| | | | - Elvis H Valderrama Sandoval
- Department of Biology, University of Missouri, St Louis, MO, USA
- Universidad Nacional de la Amazonia Peruana, Iquitos, Peru
| | | | - Tinde R Van Andel
- Naturalis Biodiversity Center, Leiden, The Netherlands
- Wageningen University, Wageningen, The Netherlands
| | - Martin van de Bult
- Doi Tung Development Project, Social Development Department, Chiang Rai, Thailand
| | | | | | | | - César I A Vela
- Escuela Profesional de Ingeniería Forestal, Universidad Nacional de San Antonio Abad del Cusco, Puerto Maldonado, Peru
| | | | - Hans Verbeeck
- CAVElab-Computational and Applied Vegetation Ecology, Department of Environment, Ghent University, Ghent, Belgium
| | | | - Alberto Vicentini
- Coordenação de Pesquisas em Ecologia, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | | | - Emilio Vilanova Torre
- Instituto de Investigaciones para el Desarrollo Forestal (INDEFOR), Universidad de los Andes, Mérida, Mérida, Venezuela
- Wildlife Conservation Society, New York, NY, USA
| | - Daniel Villarroel
- Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel Rene Moreno, Santa Cruz, Santa Cruz, Bolivia
- Fundación Amigos de la Naturaleza (FAN), Santa Cruz, Bolivia
| | | | - Jason Vleminckx
- International Center for Tropical Botany, Department of Biological Sciences, Florida International University, Miami, FL, USA
- Faculté des Sciences, Service d'Évolution Biologique et Écologie, Université Libre de Bruxelles, Brussels, Belgium
| | | | - Vincent Antoine Vos
- Instituto de Investigaciones Forestales de la Amazonía, Universidad Autónoma del Beni José Ballivián, Riberalta, Beni, Bolivia
| | | | - Edward L Webb
- Viikki Tropical Resources Institute, Department of Forest Sciences, University of Helsinki, Helsinki, Finland
- Helsinki Institute of Sustainability Science (HELSUS), Helsinki, Finland
| | - Lee J T White
- Ministry of Forests, Seas, Environment and Climate, Libreville, Gabon
- Department of Biological and Environmental Sciences, University of Stirling, Stirling, UK
- Institut de Recherche en Écologie Tropicale, Libreville, Gabon
| | - Serge Wich
- School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK
| | - Florian Wittmann
- Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
- Wetland Department, Institute of Geography and Geoecology, Karlsruhe Institute of Technology (KIT), Rastatt, Germany
| | | | - Runguo Zang
- Key Laboratory of Forest Ecology and Environment of State Forestry Administration, Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing, China
| | - Charles Eugene Zartman
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Lise Zemagho
- International Joint Laboratory DYCOFAC, IRD-UYI-IRGM, Yaoundé, Cameroon
- Plant Systematics and Ecology Laboratory, Higher Teachers' Training College, University of Yaoundé I, Yaoundé, Cameroon
| | - Egleé L Zent
- Laboratory of Human Ecology, Instituto Venezolano de Investigaciones Científicas (IVIC), Caracas, Venezuela
| | - Stanford Zent
- Laboratory of Human Ecology, Instituto Venezolano de Investigaciones Científicas (IVIC), Caracas, Venezuela
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Yuan Z, Ye J, Lin F, Wang X, Yang T, Bi B, Mao Z, Fang S, Wang X, Hao Z, Ali A. Relationships between Phyllosphere Bacterial Communities and Leaf Functional Traits in a Temperate Forest. PLANTS (BASEL, SWITZERLAND) 2023; 12:3854. [PMID: 38005751 PMCID: PMC10674237 DOI: 10.3390/plants12223854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023]
Abstract
As a vital component of biodiversity, phyllosphere bacteria in forest canopy play a critical role in maintaining plant health and influencing the global biogeochemical cycle. There is limited research on the community structure of phyllosphere bacteria in natural forests, which creates a gap in our understanding of whether and/or how phyllosphere bacteria are connected to leaf traits of their host. In this study, we investigated the bacterial diversity and composition of the canopy leaves of six dominant tree species in deciduous broad-leaved forests in northeastern China, using high-throughput sequencing. We then compare the differences in phyllosphere bacterial community structure and functional genes of dominant tree species. Fourteen key leaf functional traits of their host trees were also measured according to standard protocols to investigate the relationships between bacterial community composition and leaf functional traits. Our result suggested that tree species with closer evolutionary distances had similar phyllosphere microbial alpha diversity. The dominant phyla of phyllosphere bacteria were Proteobacteria, Actinobacteria, and Firmicutes. For these six tree species, the functional genes of phyllosphere bacteria were mainly involved in amino acid metabolism and carbohydrate metabolism processes. The redundancy and envfit analysis results showed that the functional traits relating to plant nutrient acquisition and resistance to diseases and pests (such as leaf area, isotope carbon content, and copper content) were the main factors influencing the community structure of phyllosphere bacteria. This study highlights the key role of plant interspecific genetic relationships and plant attributes in shaping phyllosphere bacterial diversity.
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Affiliation(s)
- Zuoqiang Yuan
- Shaanxi Key Laboratory of Qinling Ecological Intelligent Monitoring and Protection, School of Ecology and Environment, Northwestern Polytechnical University, Xi’an 710072, China; (Z.Y.); (B.B.)
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; (J.Y.); (X.W.)
| | - Ji Ye
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; (J.Y.); (X.W.)
| | - Fei Lin
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; (J.Y.); (X.W.)
| | - Xing Wang
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; (J.Y.); (X.W.)
- Plant Ecology and Nature Conservation, Wageningen University & Research, 6708 PB Wageningen, The Netherlands
| | - Teng Yang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, East Beijing Road 71, Nanjing 210008, China;
| | - Boyuan Bi
- Shaanxi Key Laboratory of Qinling Ecological Intelligent Monitoring and Protection, School of Ecology and Environment, Northwestern Polytechnical University, Xi’an 710072, China; (Z.Y.); (B.B.)
| | - Zikun Mao
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; (J.Y.); (X.W.)
- Key Laboratory of Terrestrial Ecosystem Carbon Neutrality, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
| | - Shuai Fang
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; (J.Y.); (X.W.)
- Key Laboratory of Terrestrial Ecosystem Carbon Neutrality, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
| | - Xugao Wang
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; (J.Y.); (X.W.)
- Key Laboratory of Terrestrial Ecosystem Carbon Neutrality, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
| | - Zhanqing Hao
- Shaanxi Key Laboratory of Qinling Ecological Intelligent Monitoring and Protection, School of Ecology and Environment, Northwestern Polytechnical University, Xi’an 710072, China; (Z.Y.); (B.B.)
| | - Arshad Ali
- Forest Ecology Research Group, College of Life Sciences, Hebei University, Baoding 071002, China;
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11
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Delavaux CS, LaManna JA, Myers JA, Phillips RP, Aguilar S, Allen D, Alonso A, Anderson-Teixeira KJ, Baker ME, Baltzer JL, Bissiengou P, Bonfim M, Bourg NA, Brockelman WY, Burslem DFRP, Chang LW, Chen Y, Chiang JM, Chu C, Clay K, Cordell S, Cortese M, den Ouden J, Dick C, Ediriweera S, Ellis EC, Feistner A, Freestone AL, Giambelluca T, Giardina CP, Gilbert GS, He F, Holík J, Howe RW, Huaraca Huasca W, Hubbell SP, Inman F, Jansen PA, Johnson DJ, Kral K, Larson AJ, Litton CM, Lutz JA, Malhi Y, McGuire K, McMahon SM, McShea WJ, Memiaghe H, Nathalang A, Norden N, Novotny V, O'Brien MJ, Orwig DA, Ostertag R, Parker GG'J, Pérez R, Reynolds G, Russo SE, Sack L, Šamonil P, Sun IF, Swanson ME, Thompson J, Uriarte M, Vandermeer J, Wang X, Ware I, Weiblen GD, Wolf A, Wu SH, Zimmerman JK, Lauber T, Maynard DS, Crowther TW, Averill C. Mycorrhizal feedbacks influence global forest structure and diversity. Commun Biol 2023; 6:1066. [PMID: 37857800 PMCID: PMC10587352 DOI: 10.1038/s42003-023-05410-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/02/2023] [Indexed: 10/21/2023] Open
Abstract
One mechanism proposed to explain high species diversity in tropical systems is strong negative conspecific density dependence (CDD), which reduces recruitment of juveniles in proximity to conspecific adult plants. Although evidence shows that plant-specific soil pathogens can drive negative CDD, trees also form key mutualisms with mycorrhizal fungi, which may counteract these effects. Across 43 large-scale forest plots worldwide, we tested whether ectomycorrhizal tree species exhibit weaker negative CDD than arbuscular mycorrhizal tree species. We further tested for conmycorrhizal density dependence (CMDD) to test for benefit from shared mutualists. We found that the strength of CDD varies systematically with mycorrhizal type, with ectomycorrhizal tree species exhibiting higher sapling densities with increasing adult densities than arbuscular mycorrhizal tree species. Moreover, we found evidence of positive CMDD for tree species of both mycorrhizal types. Collectively, these findings indicate that mycorrhizal interactions likely play a foundational role in global forest diversity patterns and structure.
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Affiliation(s)
- Camille S Delavaux
- ETH Zurich, Department of Environmental Systems Science, Zurich, Switzerland.
| | - Joseph A LaManna
- Department of Biological Sciences, Marquette University, Milwaukee, WI, USA
| | - Jonathan A Myers
- Department of Biology, Washington University in St. Louis, St. Louis, MO, USA
| | | | - Salomón Aguilar
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
| | - David Allen
- Department of Biology, Middlebury College, Middlebury, VT, USA
| | - Alfonso Alonso
- Center for Conservation and Sustainability, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Kristina J Anderson-Teixeira
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Forest Global Earth Observatory, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Matthew E Baker
- Geography & Environmental Systems, University of Maryland, Baltimore County, Baltimore, MD, USA
| | | | - Pulchérie Bissiengou
- Herbier National du Gabon, Institut de Pharmacopée et de Médecine Traditionelle, Libreville, Gabon
| | - Mariana Bonfim
- Department of Biology, Temple Ambler Field Station, Temple University, Ambler, PA, USA
| | - Norman A Bourg
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Warren Y Brockelman
- National Biobank of Thailand, National Science and Technology Development Agency, Khlong Nueng, Pathum Thani, Thailand
| | | | - Li-Wan Chang
- Taiwan Forestry Research Institute, Taipei City, Taipei, Taiwan, ROC
| | - Yang Chen
- State Key Laboratory of Biocontrol, School of Ecology/School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jyh-Min Chiang
- Department of Life Science, Tunghai University, Taichung City, Taiwan, ROC
| | - Chengjin Chu
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Keith Clay
- Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA, USA
| | - Susan Cordell
- Institute of Pacific Islands Forestry, USDA Forest Service, Hilo, HI, USA
| | - Mary Cortese
- Department of Biology, Temple Ambler Field Station, Temple University, Ambler, PA, USA
| | - Jan den Ouden
- Department of Environmental Sciences, Wageningen University, Wageningen, The Netherlands
| | - Christopher Dick
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Sisira Ediriweera
- Department of Science and Technology, Uva Wellassa University, Badulla, Sri Lanka
| | - Erle C Ellis
- Geography & Environmental Systems, University of Maryland, Baltimore County, Baltimore, MD, USA
| | - Anna Feistner
- Gabon Biodiversity Program, Center for Conservation and Sustainability, Smithsonian National Zoo and Conservation Biology Institute, Gamba, Gabon
| | - Amy L Freestone
- Department of Biology, Temple Ambler Field Station, Temple University, Ambler, PA, USA
| | - Thomas Giambelluca
- University of Hawaii at Manoa, 1910 East-West Rd., Honolulu, HI, USA
- Water Resources Research Center, University of Hawaii at Manoa, Honolulu, USA
| | | | - Gregory S Gilbert
- Environmental Studies Department, University of California, Santa Cruz, Santa Cruz, CA, USA
| | - Fangliang He
- Department of Renewable Resources, University of Alberta, Edmonton, Canada
| | - Jan Holík
- Department of Forest Ecology, Silva Tarouca Research Institute, Průhonice, Czech Republic
| | - Robert W Howe
- Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI, USA
| | - Walter Huaraca Huasca
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Faith Inman
- Department of Biology, University of Hawaii, Hilo, HI, USA
| | - Patrick A Jansen
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Department of Environmental Sciences, Wageningen University, Wageningen, The Netherlands
| | - Daniel J Johnson
- School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, USA
| | - Kamil Kral
- Department of Forest Ecology, Silva Tarouca Research Institute, Průhonice, Czech Republic
| | - Andrew J Larson
- Department of Forest Management, W. A. Franke College of Forestry and Conservation, University of Montana, Missoula, MT, USA
- The Wilderness Institute, W. A. Franke College of Forestry and Conservation, University of Montana, Missoula, MT, USA
| | - Creighton M Litton
- University of Hawaii at Manoa, 1910 East-West Rd., Honolulu, HI, USA
- Department of Natural Resources and Environmental Management, University of Hawaii at Manoa, Honolulu, USA
| | - James A Lutz
- The Ecology Center, Utah State University, Logan, UT, USA
- Wildland Resources Department, Utah State University, Logan, UT, USA
| | - Yadvinder Malhi
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, UK
| | - Krista McGuire
- Department of Biology, University of Oregon, Eugene, OR, USA
| | - Sean M McMahon
- Forest Global Earth Observatory, Smithsonian Environmental Research Center, Edgewater, NJ, USA
| | - William J McShea
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Hervé Memiaghe
- Department of Biology, University of Oregon, Eugene, OR, USA
- Centre National de la Recherche Scientifique et Technologique, Ouagadougou, Burkina Faso
| | - Anuttara Nathalang
- National Biobank of Thailand, National Science and Technology Development Agency, Khlong Nueng, Pathum Thani, Thailand
| | - Natalia Norden
- Programa Ciencias de la Biodiversidad, Instituto de Investigacion de Recursos Biologicos Alexander von Humboldt, Bogota, Colombia
| | - Vojtech Novotny
- Biology Centre, Institute of Entomology, Czech Academy of Sciences, Budějovice, Czech Republic
| | - Michael J O'Brien
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas, Almería, Spain
| | - David A Orwig
- Harvard Forest, Harvard University, Petersham, MA, USA
| | | | | | - Rolando Pérez
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
| | - Glen Reynolds
- The Royal Society SEARRP (UK/Malaysia), Kota Kinabalu, Sabah, Malaysia
| | - Sabrina E Russo
- School of Biological Sciences and Center for Plant Science Innovation, University of Nebraska - Lincoln, Lincoln, NE, USA
| | - Lawren Sack
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Pavel Šamonil
- Department of Forest Ecology, Silva Tarouca Research Institute, Průhonice, Czech Republic
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hsinchu, Taiwan, ROC
| | - Mark E Swanson
- School of the Environment, Washington State University, Pullman, WA, USA
| | | | - Maria Uriarte
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, USA
| | - John Vandermeer
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Xihua Wang
- Tiantong National Forest Ecosystem Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China
| | - Ian Ware
- U.S. Forest Service, Institute of Pacific Islands Forestry, Pacific Southwest Research Station, Hilo, HI, USA
| | - George D Weiblen
- Department of Plant & Microbial Biology, University of Minnesota, St. Paul, MN, USA
| | - Amy Wolf
- Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI, USA
| | - Shu-Hui Wu
- Botanical Garden Division, Taiwan Forestry Research Institute, Taipei City, Taiwan, ROC
| | - Jess K Zimmerman
- Department of Environmental Sciences, University of Puerto Rico, Rio Piedras, Puerto Rico
| | - Thomas Lauber
- ETH Zurich, Department of Environmental Systems Science, Zurich, Switzerland
| | - Daniel S Maynard
- ETH Zurich, Department of Environmental Systems Science, Zurich, Switzerland
| | - Thomas W Crowther
- ETH Zurich, Department of Environmental Systems Science, Zurich, Switzerland
| | - Colin Averill
- ETH Zurich, Department of Environmental Systems Science, Zurich, Switzerland
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12
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Jin Y, Qian H. Drivers of the differentiation between broad-leaved trees and shrubs in the shift from evergreen to deciduous leaf habit in forests of eastern Asian subtropics. PLANT DIVERSITY 2023; 45:535-543. [PMID: 37936820 PMCID: PMC10625919 DOI: 10.1016/j.pld.2022.12.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 12/26/2022] [Accepted: 12/29/2022] [Indexed: 11/09/2023]
Abstract
In eastern Asian subtropical forests, leaf habit shifts from evergreen to deciduous broad-leaved woody plants toward higher latitudes. This shift has been largely explained by the greater capacity of deciduous broad-leaved plants to respond to harsh climatic conditions (e.g., greater seasonality). The advantages of deciduous leaf habit over evergreen leaf habit in more seasonal climates have led us to hypothesize that leaf habits would shift in response to climate changes more conspicuously in forest canopy trees than in forest understory shrubs. Furthermore, we hypothesize that in the forests of the subtropics, plants at higher latitudes, regardless of growth form, would better tolerate seasonal harsh climates, and hence show less differentiation in leaf habit shift, compared to those at lower latitudes. To test these two hypotheses, we modelled the proportion of deciduous broad-leaved species and the incidence of deciduous and evergreen broad-leaved species in woody angiosperm species compositions of ten large-sized forest plots distributed in the Chinese subtropics. We found that the rate of leaf habit shift along a latitudinal gradient was higher in forest trees than in forest shrubs. We also found that the differentiation in leaf habit shift between trees and shrubs is greater at lower latitudes (i.e., warmer climates) than at higher latitudes (i.e., colder climates). These findings indicate that specialized forest plants are differentially affected by climate in distinct forest strata in a manner dependent on latitudinal distribution. These differences in forest plant response to changes in climate suggest that global climate warming will alter growth forms and geographical distributions and ranges of forests.
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Affiliation(s)
- Yi Jin
- Key Laboratory of National Forestry and Grassland Administration on Biodiversity Conservation in Karst Mountainous Areas of Southwestern China, Guizhou Normal University, Guiyang 550025, China
| | - Hong Qian
- Research and Collections Center, Illinois State Museum, 1011 East Ash Street, Springfield, IL, 62703, USA
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13
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Feeley KJ, Bernal-Escobar M, Fortier R, Kullberg AT. Tropical Trees Will Need to Acclimate to Rising Temperatures-But Can They? PLANTS (BASEL, SWITZERLAND) 2023; 12:3142. [PMID: 37687387 PMCID: PMC10490527 DOI: 10.3390/plants12173142] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023]
Abstract
For tropical forests to survive anthropogenic global warming, trees will need to avoid rising temperatures through range shifts and "species migrations" or tolerate the newly emerging conditions through adaptation and/or acclimation. In this literature review, we synthesize the available knowledge to show that although many tropical tree species are shifting their distributions to higher, cooler elevations, the rates of these migrations are too slow to offset ongoing changes in temperatures, especially in lowland tropical rainforests where thermal gradients are shallow or nonexistent. We also show that the rapidity and severity of global warming make it unlikely that tropical tree species can adapt (with some possible exceptions). We argue that the best hope for tropical tree species to avoid becoming "committed to extinction" is individual-level acclimation. Although several new methods are being used to test for acclimation, we unfortunately still do not know if tropical tree species can acclimate, how acclimation abilities vary between species, or what factors may prevent or facilitate acclimation. Until all of these questions are answered, our ability to predict the fate of tropical species and tropical forests-and the many services that they provide to humanity-remains critically impaired.
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Affiliation(s)
- Kenneth J. Feeley
- Department of Biology, University of Miami, Coral Gables, FL 33146, USA; (M.B.-E.); (R.F.); (A.T.K.)
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14
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Yao L, Jiang B, Jiao J, Wu C. Environmental Filtering and Dispersal Limitations Driving the Beta Diversity Patterns at Different Scales of Secondary Evergreen Broadleaved Forests in the Suburbs of Hangzhou. PLANTS (BASEL, SWITZERLAND) 2023; 12:3057. [PMID: 37687304 PMCID: PMC10490120 DOI: 10.3390/plants12173057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023]
Abstract
Subtropical suburban secondary evergreen broadleaved forests are essential in regulating the ecological environment's quality and promoting urban sustainable development. In the suburbs of Hangzhou City, well-preserved secondary evergreen broadleaved forest communities were selected to establish a 6 ha forest dynamic monitoring plot. Community surveys and environmental factor measurements were conducted in this area. This study investigated the beta diversity patterns at different scales by considering the environmental and spatial factors to explore the driving beta diversity. Using a similar paired-site beta diversity decomposition method, the study aimed to investigate the differences in species composition and the mechanisms of multiple species coexistence within the secondary evergreen broadleaved forest communities. The results showed that the beta diversity of the suburban secondary evergreen broadleaved forest communities decreased with the increasing spatial scale. Both the dispersal limitation and the environmental filtering were found to drive the formation of beta diversity patterns in these subtropical suburban forests. At relatively smaller scales (<100 m), species turnover was found to determine the beta diversity patterns of the suburban secondary evergreen broadleaved forests. Dispersal limitation had a dominant influence at more minor scales, while the effect of environmental filtering gradually increased with scale, and the impact of the dispersal limitation decreased. The partitioning of the beta diversity in subtropical secondary evergreen broadleaved forests in China provides critical scientific insights into the spatial distribution patterns and changes in biodiversity. It offers valuable knowledge for the conservation and understanding of biodiversity maintenance in the region.
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Affiliation(s)
- Liangjin Yao
- Zhejiang Academy of Forestry, Hangzhou 310023, China; (L.Y.); (B.J.); (J.J.)
- Zhejiang Hangzhou Urban Forest Ecosystem Research Station, Hangzhou 310023, China
| | - Bo Jiang
- Zhejiang Academy of Forestry, Hangzhou 310023, China; (L.Y.); (B.J.); (J.J.)
- Zhejiang Hangzhou Urban Forest Ecosystem Research Station, Hangzhou 310023, China
| | - Jiejie Jiao
- Zhejiang Academy of Forestry, Hangzhou 310023, China; (L.Y.); (B.J.); (J.J.)
- Zhejiang Hangzhou Urban Forest Ecosystem Research Station, Hangzhou 310023, China
| | - Chuping Wu
- Zhejiang Academy of Forestry, Hangzhou 310023, China; (L.Y.); (B.J.); (J.J.)
- Zhejiang Hangzhou Urban Forest Ecosystem Research Station, Hangzhou 310023, China
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15
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Higgins SI, Conradi T, Kruger LM, O'Hara RB, Slingsby JA. Limited climatic space for alternative ecosystem states in Africa. Science 2023; 380:1038-1042. [PMID: 37289873 DOI: 10.1126/science.add5190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 05/12/2023] [Indexed: 06/10/2023]
Abstract
One of the foundational premises of ecology is that climate determines ecosystems. This has been challenged by alternative ecosystem state models, which illustrate that internal ecosystem dynamics acting on the initial ecosystem state can overwhelm the influence of climate, and by observations suggesting that climate cannot reliably discriminate forest and savanna ecosystem types. Using a novel phytoclimatic transform, which estimates the ability of climate to support different types of plants, we show that climatic suitability for evergreen trees and C4 grasses are sufficient to discriminate between forest and savanna in Africa. Our findings reassert the dominant influence of climate on ecosystems and suggest that the role of feedbacks causing alternative ecosystem states is less prevalent than has been suggested.
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Affiliation(s)
- Steven I Higgins
- Plant Ecology, University of Bayreuth, Universitaetsstrasse 30, 95447 Bayreuth, Germany
| | - Timo Conradi
- Plant Ecology, University of Bayreuth, Universitaetsstrasse 30, 95447 Bayreuth, Germany
| | - Laurence M Kruger
- Organization for Tropical Studies, P.O. Box 33, Skukuza, 1350, South Africa
- Department of Biological Sciences, University of Cape Town, South Africa
| | - Robert B O'Hara
- Department of Mathematical Sciences, Norwegian University of Science and Technology, Trondheim N-7491 Norway
| | - Jasper A Slingsby
- Department of Biological Sciences, University of Cape Town, South Africa
- Centre for Statistics in Ecology, the Environment and Conservation, University of Cape Town, South Africa
- Fynbos Node, South African Environmental Observation Network (SAEON), South Africa
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16
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Mathias JM, Smith KR, Lantz KE, Allen KT, Wright MJ, Sabet A, Anderson-Teixeira KJ, Thomas RB. Differences in leaf gas exchange strategies explain Quercus rubra and Liriodendron tulipifera intrinsic water use efficiency responses to air pollution and climate change. GLOBAL CHANGE BIOLOGY 2023; 29:3449-3462. [PMID: 36897273 DOI: 10.1111/gcb.16673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 03/01/2023] [Indexed: 05/16/2023]
Abstract
Trees continuously regulate leaf physiology to acquire CO2 while simultaneously avoiding excessive water loss. The balance between these two processes, or water use efficiency (WUE), is fundamentally important to understanding changes in carbon uptake and transpiration from the leaf to the globe under environmental change. While increasing atmospheric CO2 (iCO2 ) is known to increase tree intrinsic water use efficiency (iWUE), less clear are the additional impacts of climate and acidic air pollution and how they vary by tree species. Here, we couple annually resolved long-term records of tree-ring carbon isotope signatures with leaf physiological measurements of Quercus rubra (Quru) and Liriodendron tulipifera (Litu) at four study locations spanning nearly 100 km in the eastern United States to reconstruct historical iWUE, net photosynthesis (Anet ), and stomatal conductance to water (gs ) since 1940. We first show 16%-25% increases in tree iWUE since the mid-20th century, primarily driven by iCO2 , but also document the individual and interactive effects of nitrogen (NOx ) and sulfur (SO2 ) air pollution overwhelming climate. We find evidence for Quru leaf gas exchange being less tightly regulated than Litu through an analysis of isotope-derived leaf internal CO2 (Ci ), particularly in wetter, recent years. Modeled estimates of seasonally integrated Anet and gs revealed a 43%-50% stimulation of Anet was responsible for increasing iWUE in both tree species throughout 79%-86% of the chronologies with reductions in gs attributable to the remaining 14%-21%, building upon a growing body of literature documenting stimulated Anet overwhelming reductions in gs as a primary mechanism of increasing iWUE of trees. Finally, our results underscore the importance of considering air pollution, which remains a major environmental issue in many areas of the world, alongside climate in the interpretation of leaf physiology derived from tree rings.
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Affiliation(s)
- Justin M Mathias
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Kenneth R Smith
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Kristin E Lantz
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Keanan T Allen
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Marvin J Wright
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Afsoon Sabet
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Kristina J Anderson-Teixeira
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, Virginia, USA
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Republic of Panama
| | - Richard B Thomas
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
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17
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Bitar MVS, Mendonça MTDAS, Fernandes JAM. Description of seven new species of Edessa Fabricius, 1803 from Central America (Heteroptera, Pentatomidae, Edessinae). Zootaxa 2023; 5278:578-600. [PMID: 37518756 DOI: 10.11646/zootaxa.5278.3.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Indexed: 08/01/2023]
Abstract
Not much is known about the Central American stink bug fauna of the Edessinae subfamily. A recent survey of Costa Rican species from this subfamily listed 65 species, of which 47 were new additions. More recently, a description of a group of species of Edessa added more three species to the fauna of Costa Rica. This work is part of a series of articles aiming to review Edessinae from Central America. In this article seven new species are described from Panama and Costa Rica: Edessa bituberculata sp. n., E. bivenulata sp. n., E. enargocelida sp. n., E. fuscolimbata sp. n., E. fuscopunctata sp. n., E. helvoalata sp. n. and E. holochlorata sp. n.
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Affiliation(s)
- Murilo Victor Silva Bitar
- Universidade Federal do Paraná; Departamento de Zoologia; caixa postal 19020; 81531-980 Curitiba; Paraná; Brazil.
| | | | - José Antônio Marin Fernandes
- Universidade Federal do Pará; Instituto de Ciências Biológicas; Av. Augusto Correa #1 66075-110; Belém; Pará; Brazil.
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Tang B, Kamakura RP, Barnett DT, Clark JS. Learning from monitoring networks: Few-large vs. many-small plots and multi-scale analysis. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2023.1114569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023] Open
Abstract
In order to learn about broad scale ecological patterns, data from large-scale surveys must allow us to either estimate the correlations between the environment and an outcome and/or accurately predict ecological patterns. An important part of data collection is the sampling effort used to collect observations, which we decompose into two quantities: the number of observations or plots (n) and the per-observation/plot effort (E; e.g., area per plot). If we want to understand the relationships between predictors and a response variable, then lower model parameter uncertainty is desirable. If the goal is to predict a response variable, then lower prediction error is preferable. We aim to learn if and when aggregating data can help attain these goals. We find that a small sample size coupled with large observation effort coupled (few large) can yield better predictions when compared to a large number of observations with low observation effort (many small). We also show that the combination of the two values (n and E), rather than one alone, has an impact on parameter uncertainty. In an application to Forest Inventory and Analysis (FIA) data, we model the tree density of selected species at various amounts of aggregation using linear regression in order to compare the findings from simulated data to real data. The application supports the theoretical findings that increasing observational effort through aggregation can lead to improved predictions, conditional on the thoughtful aggregation of the observational plots. In particular, aggregations over extremely large and variable covariate space may lead to poor prediction and high parameter uncertainty. Analyses of large-range data can improve with aggregation, with implications for both model evaluation and sampling design: testing model prediction accuracy without an underlying knowledge of the datasets and the scale at which predictor variables operate can obscure meaningful results.
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Labrière N, Davies SJ, Disney MI, Duncanson LI, Herold M, Lewis SL, Phillips OL, Quegan S, Saatchi SS, Schepaschenko DG, Scipal K, Sist P, Chave J. Toward a forest biomass reference measurement system for remote sensing applications. GLOBAL CHANGE BIOLOGY 2023; 29:827-840. [PMID: 36270799 PMCID: PMC10099565 DOI: 10.1111/gcb.16497] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 10/14/2022] [Indexed: 05/02/2023]
Abstract
Forests contribute to climate change mitigation through carbon storage and uptake, but the extent to which this carbon pool varies in space and time is still poorly known. Several Earth Observation missions have been specifically designed to address this issue, for example, NASA's GEDI, NASA-ISRO's NISAR and ESA's BIOMASS. Yet, all these missions' products require independent and consistent validation. A permanent, global, in situ, site-based forest biomass reference measurement system relying on ground data of the highest possible quality is therefore needed. Here, we have assembled a list of almost 200 high-quality sites through an in-depth review of the literature and expert knowledge. In this study, we explore how representative these sites are in terms of their coverage of environmental conditions, geographical space and biomass-related forest structure, compared to those experienced by forests worldwide. This work also aims at identifying which sites are the most representative, and where to invest to improve the representativeness of the proposed system. We show that the environmental coverage of the system does not seem to improve after at least the 175 most representative sites are included, but geographical and structural coverages continue to improve as more sites are added. We highlight the areas of poor environmental, geographical, or structural coverage, including, but not limited to, Canada, the western half of the USA, Mexico, Patagonia, Angola, Zambia, eastern Russia, and tropical and subtropical highlands (e.g. in Colombia, the Himalayas, Borneo, Papua). For the proposed system to succeed, we stress that (1) data must be collected and processed applying the same standards across all countries and continents; (2) system establishment and management must be inclusive and equitable, with careful consideration of working conditions; and (3) training and site partner involvement in downstream activities should be mandatory.
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Affiliation(s)
- Nicolas Labrière
- Evolution and Biological Diversity (EDB)CNRS/IRD/UPSToulouseFrance
| | - Stuart J. Davies
- Forest Global Earth ObservatorySmithsonian Tropical Research InstituteWashingtonDistrict of ColumbiaUSA
| | - Mathias I. Disney
- Department of GeographyUniversity College London (UCL)LondonUK
- NERC National Centre for Earth Observation (NCEO)LondonUK
| | - Laura I. Duncanson
- Department of Geographical SciencesUniversity of MarylandCollege ParkMarylandUSA
| | - Martin Herold
- GFZ German Research Centre for GeosciencesPotsdamBrandenburgGermany
| | - Simon L. Lewis
- Department of GeographyUniversity College London (UCL)LondonUK
- School of GeographyUniversity of LeedsLeedsUK
| | | | - Shaun Quegan
- School of Mathematics and StatisticsUniversity of SheffieldSheffieldUK
| | - Sassan S. Saatchi
- Jet Propulsion Laboratory (JPL)California Institute of TechnologyPasadenaCaliforniaUSA
| | - Dmitry G. Schepaschenko
- International Institute for Applied Systems Analysis (IIASA)LaxenburgAustria
- Center for Forest Ecology and Productivity of the Russian Academy of SciencesMoscowRussia
| | | | | | - Jérôme Chave
- Evolution and Biological Diversity (EDB)CNRS/IRD/UPSToulouseFrance
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20
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Induced drought strongly affects richness and composition of ground-dwelling ants in the eastern Amazon. Oecologia 2023; 201:299-309. [PMID: 36645473 DOI: 10.1007/s00442-023-05316-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 01/05/2023] [Indexed: 01/17/2023]
Abstract
Species loss in tropical regions is forecast to occur under environmental change scenarios of low precipitation. One of the main questions is how drought will affect invertebrates, a key group for ecosystem functioning. We use 1 year of data from a long-term rainwater exclusion experiment in primary Amazonian rainforest to test whether induced water stress and covarying changes in soil moisture, soil respiration, and tree species richness, diversity, size, and total biomass affected species richness and composition (relative abundance) of ground-dwelling ants. Data on ant abundance and environmental variables were collected at two sites (control and experimental) in the Eastern Amazon. Since 2002, drought has been induced in the experimental plot by excluding 50% of normal rainfall. Ant species richness in the experiment plot was reduced and some generalist species responded positively. Ant species richness also increased in the experimental plot with increasing diversity of the plant species of the leaf litter. The relative abundance of ants differed between plots. The experimental plot was characterized by a higher frequency of generalist and other species that appeared to be favored by the reduction in rainfall. Between-plot comparisons suggested loss and changes in ant species composition in tropical forests were affected by increasing dryness. These changes could ultimately lead to cascading effects on ecosystem processes and the services they mediate.
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21
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Yilangai RM, Onoja JD, Saha S, Elisha EB, Manu SA, Barshep Y, Molokwu‐Odozi M. Diversity, abundance, and conservation status of woody species in a West African dry forest. CONSERVATION SCIENCE AND PRACTICE 2023. [DOI: 10.1111/csp2.12888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Affiliation(s)
- Rahila M. Yilangai
- Department of Crop Production University of Jos Jos Nigeria
- A. P. Leventis Ornithological Research Institute University of Jos Biological Conservatory Jos Nigeria
| | - Joseph Daniel Onoja
- A. P. Leventis Ornithological Research Institute University of Jos Biological Conservatory Jos Nigeria
- Nigerian Conservation Foundation Lagos Nigeria
| | - Sonali Saha
- Miami Dade College North and West Campus Doral Florida USA
| | - Emmanuel Barde Elisha
- A. P. Leventis Ornithological Research Institute University of Jos Biological Conservatory Jos Nigeria
| | - Shiiwua A. Manu
- A. P. Leventis Ornithological Research Institute University of Jos Biological Conservatory Jos Nigeria
| | - Yahkat Barshep
- A. P. Leventis Ornithological Research Institute University of Jos Biological Conservatory Jos Nigeria
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22
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Liu L, Xia H, Quan X, Wang Y. Plant trait-based life strategies of overlapping species vary in different succession stages of subtropical forests, Eastern China. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2022.1103937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Plants growing in forests at different succession stages in diverse habitats may adopt various life strategies from the perspective of plant functional traits. However, species composition differs with forest succession, and the effects of forest succession on traits have often been explored without considering the effects of species identity. We comprehensively investigated intraspecific variations in 12 traits of six overlapping species (two tree species and four understory shrub species) in three typical subtropical evergreen broad-leaved forests at different succession stages in eastern China. We found that intraspecific variations differed among traits. Fine root specific length presented large intraspecific variation, leaf area, specific leaf area and fine root tissue density showed medium intraspecific variations, and other traits displayed small intraspecific variations. Trees and understory shrubs in the early-stage forest exhibited higher leaf thickness, dry matter contents and tissue densities of leaves, roots, twigs, and stems and lower leaf area and specific leaf area. Those in the medium- and late-stage forests displayed contrasting trait characteristics. From the perspective of plant functional traits, plants in the early-stage forest formed a series of trait combinations for a resource conservative strategy with a low growth rate to adapt to fragile habitats with poor soil nutrients and changeable soil temperature and humidity, and those in the medium- and late-stage forests (especially the former) formed converse trait combinations for a resource acquisitive strategy with a high growth rate to adapt to low light availability and strongly competitive habitats. Our study reveals that plants in forests at different succession stages adopt various life strategies and provides data to the TRY and China plant trait databases.
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23
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Harvey JA, Tougeron K, Gols R, Heinen R, Abarca M, Abram PK, Basset Y, Berg M, Boggs C, Brodeur J, Cardoso P, de Boer JG, De Snoo GR, Deacon C, Dell JE, Desneux N, Dillon ME, Duffy GA, Dyer LA, Ellers J, Espíndola A, Fordyce J, Forister ML, Fukushima C, Gage MJG, García‐Robledo C, Gely C, Gobbi M, Hallmann C, Hance T, Harte J, Hochkirch A, Hof C, Hoffmann AA, Kingsolver JG, Lamarre GPA, Laurance WF, Lavandero B, Leather SR, Lehmann P, Le Lann C, López‐Uribe MM, Ma C, Ma G, Moiroux J, Monticelli L, Nice C, Ode PJ, Pincebourde S, Ripple WJ, Rowe M, Samways MJ, Sentis A, Shah AA, Stork N, Terblanche JS, Thakur MP, Thomas MB, Tylianakis JM, Van Baaren J, Van de Pol M, Van der Putten WH, Van Dyck H, Verberk WCEP, Wagner DL, Weisser WW, Wetzel WC, Woods HA, Wyckhuys KAG, Chown SL. Scientists' warning on climate change and insects. ECOL MONOGR 2022. [DOI: 10.1002/ecm.1553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jeffrey A. Harvey
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
| | - Kévin Tougeron
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
- EDYSAN, UMR 7058, Université de Picardie Jules Verne, CNRS Amiens France
| | - Rieta Gols
- Laboratory of Entomology Wageningen University Wageningen The Netherlands
| | - Robin Heinen
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - Mariana Abarca
- Department of Biological Sciences Smith College Northampton Massachusetts USA
| | - Paul K. Abram
- Agriculture and Agri‐Food Canada, Agassiz Research and Development Centre Agassiz British Columbia Canada
| | - Yves Basset
- Smithsonian Tropical Research Institute Panama City Republic of Panama
- Department of Ecology Institute of Entomology, Czech Academy of Sciences Ceske Budejovice Czech Republic
| | - Matty Berg
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
- Groningen Institute of Evolutionary Life Sciences University of Groningen Groningen The Netherlands
| | - Carol Boggs
- School of the Earth, Ocean and Environment and Department of Biological Sciences University of South Carolina Columbia South Carolina USA
- Rocky Mountain Biological Laboratory Gothic Colorado USA
| | - Jacques Brodeur
- Institut de recherche en biologie végétale, Département de sciences biologiques Université de Montréal Montréal Québec Canada
| | - Pedro Cardoso
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus University of Helsinki Helsinki Finland
| | - Jetske G. de Boer
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Geert R. De Snoo
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Charl Deacon
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Jane E. Dell
- Geosciences and Natural Resources Department Western Carolina University Cullowhee North Carolina USA
| | | | - Michael E. Dillon
- Department of Zoology and Physiology and Program in Ecology University of Wyoming Laramie Wyoming USA
| | - Grant A. Duffy
- School of Biological Sciences Monash University Melbourne Victoria Australia
- Department of Marine Science University of Otago Dunedin New Zealand
| | - Lee A. Dyer
- University of Nevada Reno – Ecology, Evolution and Conservation Biology Reno Nevada USA
| | - Jacintha Ellers
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
| | - Anahí Espíndola
- Department of Entomology University of Maryland College Park Maryland USA
| | - James Fordyce
- Department of Ecology and Evolutionary Biology University of Tennessee, Knoxville Knoxville Tennessee USA
| | - Matthew L. Forister
- University of Nevada Reno – Ecology, Evolution and Conservation Biology Reno Nevada USA
| | - Caroline Fukushima
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus University of Helsinki Helsinki Finland
| | | | | | - Claire Gely
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering James Cook University Cairns Queensland Australia
| | - Mauro Gobbi
- MUSE‐Science Museum, Research and Museum Collections Office Climate and Ecology Unit Trento Italy
| | - Caspar Hallmann
- Radboud Institute for Biological and Environmental Sciences Radboud University Nijmegen The Netherlands
| | - Thierry Hance
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
| | - John Harte
- Energy and Resources Group University of California Berkeley California USA
| | - Axel Hochkirch
- Department of Biogeography Trier University Trier Germany
- IUCN SSC Invertebrate Conservation Committee
| | - Christian Hof
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - Ary A. Hoffmann
- Bio21 Institute, School of BioSciences University of Melbourne Melbourne Victoria Australia
| | - Joel G. Kingsolver
- Department of Biology University of North Carolina Chapel Hill North Carolina USA
| | - Greg P. A. Lamarre
- Smithsonian Tropical Research Institute Panama City Republic of Panama
- Department of Ecology Institute of Entomology, Czech Academy of Sciences Ceske Budejovice Czech Republic
| | - William F. Laurance
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering James Cook University Cairns Queensland Australia
| | - Blas Lavandero
- Laboratorio de Control Biológico Universidad de Talca Talca Chile
| | - Simon R. Leather
- Center for Integrated Pest Management Harper Adams University Newport UK
| | - Philipp Lehmann
- Department of Zoology Stockholm University Stockholm Sweden
- Zoological Institute and Museum University of Greifswald Greifswald Germany
| | - Cécile Le Lann
- University of Rennes, CNRS, ECOBIO [(Ecosystèmes, biodiversité, évolution)] ‐ UMR 6553 Rennes France
| | | | - Chun‐Sen Ma
- Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection, Chinese Academy of Agricultural Sciences Beijing China
| | - Gang Ma
- Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection, Chinese Academy of Agricultural Sciences Beijing China
| | | | | | - Chris Nice
- Department of Biology Texas State University San Marcos Texas USA
| | - Paul J. Ode
- Department of Agricultural Biology Colorado State University Fort Collins Colorado USA
- Graduate Degree Program in Ecology Colorado State University Fort Collins Colorado USA
| | - Sylvain Pincebourde
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS Université de Tours Tours France
| | - William J. Ripple
- Department of Forest Ecosystems and Society Oregon State University Oregon USA
| | - Melissah Rowe
- Netherlands Institute of Ecology (NIOO‐KNAW) Department of Animal Ecology Wageningen The Netherlands
| | - Michael J. Samways
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Arnaud Sentis
- INRAE, Aix‐Marseille University, UMR RECOVER Aix‐en‐Provence France
| | - Alisha A. Shah
- W.K. Kellogg Biological Station, Department of Integrative Biology Michigan State University East Lansing Michigan USA
| | - Nigel Stork
- Centre for Planetary Health and Food Security, School of Environment and Science Griffith University Nathan Queensland Australia
| | - John S. Terblanche
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Madhav P. Thakur
- Institute of Ecology and Evolution University of Bern Bern Switzerland
| | - Matthew B. Thomas
- York Environmental Sustainability Institute and Department of Biology University of York York UK
| | - Jason M. Tylianakis
- Bioprotection Aotearoa, School of Biological Sciences University of Canterbury Christchurch New Zealand
| | - Joan Van Baaren
- University of Rennes, CNRS, ECOBIO [(Ecosystèmes, biodiversité, évolution)] ‐ UMR 6553 Rennes France
| | - Martijn Van de Pol
- Netherlands Institute of Ecology (NIOO‐KNAW) Department of Animal Ecology Wageningen The Netherlands
- College of Science and Engineering James Cook University Townsville Queensland Australia
| | - Wim H. Van der Putten
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Hans Van Dyck
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
| | | | - David L. Wagner
- Ecology and Evolutionary Biology University of Connecticut Storrs Connecticut USA
| | - Wolfgang W. Weisser
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - William C. Wetzel
- Department of Entomology, Department of Integrative Biology, and Ecology, Evolution, and Behavior Program Michigan State University East Lansing Michigan USA
| | - H. Arthur Woods
- Division of Biological Sciences University of Montana Missoula Montana USA
| | - Kris A. G. Wyckhuys
- Chrysalis Consulting Hanoi Vietnam
- China Academy of Agricultural Sciences Beijing China
| | - Steven L. Chown
- Securing Antarctica's Environmental Future, School of Biological Sciences Monash University Melbourne Victoria Australia
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24
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Reu JC, Catano CP, Spasojevic MJ, Myers JA. Beta diversity as a driver of forest biomass across spatial scales. Ecology 2022; 103:e3774. [PMID: 35634996 DOI: 10.1002/ecy.3774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/05/2022] [Accepted: 04/20/2022] [Indexed: 12/13/2022]
Abstract
Despite the importance of biodiversity-ecosystem functioning (BEF) relationships in ecology and conservation, relatively little is known about how BEF relationships change across spatial scales. Theory predicts that change in BEF relationships with increasing spatial scale will depend on variation in species composition across space (β-diversity), but empirical evidence for this is limited. Moreover, studies have not quantified the direct and indirect role the environment plays in costructuring ecosystem functioning across spatial scales. We used 14 temperate-forest plots 1.4 ha in size containing 18,323 trees to quantify scale-dependence between aboveground tree biomass and three components of tree-species diversity-α-diversity (average local diversity), γ-diversity (total diversity), and β-diversity. Using structural-equation models, we quantified the direct effects of each diversity component and the environment (soil nutrients and topography), as well as indirect effects of the environment, on tree biomass across 11 spatial extents ranging from 400 to 14,400 m2 . Our results show that the relationship between β-diversity and tree biomass strengthened with increasing spatial extent. Moreover, β-diversity appeared to be a stronger predictor of biomass than α-diversity and γ-diversity at intermediate to large spatial extents. The environment had strong direct and indirect effects on biomass, but, in contrast to diversity, these effects did not strengthen with increasing spatial extent. This study provides some of the first empirical evidence that β-diversity underpins the scaling of BEF relationships in naturally complex ecosystems.
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Affiliation(s)
- Jacqueline C Reu
- Department of Biology, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Christopher P Catano
- Department of Biology, Washington University in St. Louis, St. Louis, Missouri, USA.,Department of Plant Biology, Michigan State University, East Lansing, Michigan, USA
| | - Marko J Spasojevic
- Department of Evolution, Ecology, and Organismal Biology, University of California Riverside, Riverside, California, USA
| | - Jonathan A Myers
- Department of Biology, Washington University in St. Louis, St. Louis, Missouri, USA
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25
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Kim AY, Herrmann V, Bareto R, Calkins B, Gonzalez‐Akre E, Johnson DJ, Jordan JA, Magee L, McGregor IR, Montero N, Novak K, Rogers T, Shue J, Anderson‐Teixeira KJ. Implementing GitHub Actions continuous integration to reduce error rates in ecological data collection. Methods Ecol Evol 2022. [DOI: 10.1111/2041-210x.13982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Albert Y. Kim
- Program in Statistical and Data Sciences; Smith College Northampton Massachusetts USA
- Conservation Ecology Center Smithsonian National Zoo & Conservation Biology Institute Front Royal Virginia USA
| | - Valentine Herrmann
- Conservation Ecology Center Smithsonian National Zoo & Conservation Biology Institute Front Royal Virginia USA
| | - Ross Bareto
- School of Forest, Fisheries, & Geomatics Sciences University of Florida Gainesville Florida USA
| | - Brianna Calkins
- Conservation Ecology Center Smithsonian National Zoo & Conservation Biology Institute Front Royal Virginia USA
| | - Erika Gonzalez‐Akre
- Conservation Ecology Center Smithsonian National Zoo & Conservation Biology Institute Front Royal Virginia USA
| | - Daniel J. Johnson
- School of Forest, Fisheries, & Geomatics Sciences University of Florida Gainesville Florida USA
| | - Jennifer A. Jordan
- Conservation Ecology Center Smithsonian National Zoo & Conservation Biology Institute Front Royal Virginia USA
| | - Lukas Magee
- School of Forest, Fisheries, & Geomatics Sciences University of Florida Gainesville Florida USA
| | - Ian R. McGregor
- Center for Geospatial Analytics North Carolina State University Raleigh North Carolina USA
| | - Nicolle Montero
- School of Forest, Fisheries, & Geomatics Sciences University of Florida Gainesville Florida USA
| | - Karl Novak
- School of Forest, Fisheries, & Geomatics Sciences University of Florida Gainesville Florida USA
| | - Teagan Rogers
- Conservation Ecology Center Smithsonian National Zoo & Conservation Biology Institute Front Royal Virginia USA
| | - Jessica Shue
- Smithsonian Environmental Research Center Edgewater Maryland USA
| | - Kristina J. Anderson‐Teixeira
- Conservation Ecology Center Smithsonian National Zoo & Conservation Biology Institute Front Royal Virginia USA
- Forest Global Earth Observatory Smithsonian Tropical Research Institute Panama Republic of Panama
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26
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Twelve-year changes in palm populations from a tropical lowland forest in the Philippines. COMMUNITY ECOL 2022. [DOI: 10.1007/s42974-022-00109-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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27
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Wei B, Zhong L, Liu J, Zheng F, Jin Y, Xie Y, Lei Z, Shen G, Yu M. Differences in Density Dependence among Tree Mycorrhizal Types Affect Tree Species Diversity and Relative Growth Rates. PLANTS 2022; 11:plants11182340. [PMID: 36145742 PMCID: PMC9505969 DOI: 10.3390/plants11182340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 11/30/2022]
Abstract
Conspecific negative density dependence (CNDD) may vary by tree mycorrhizal type. However, whether arbuscular mycorrhizal (AM)-associated tree species suffer from stronger CNDD than ectomycorrhizal (EcM) and ericoid mycorrhizal (ErM)-associated tree species at different tree life stages, and whether EcM tree species can promote AM and ErM saplings and adults growth, remain to be studied. Based on the subtropical evergreen broad-leaved forest data in eastern China, the generalized linear mixed-effects model was used to analyze the effects of the conspecific density and heterospecific density grouped by symbiont mycorrhizal type on different tree life stages of different tree mycorrhizal types. The results showed that compared to other tree mycorrhizal types at the same growth stage, EcM saplings and AM adults experienced stronger CNDD. Heterospecific EcM density had a stronger positive effect on AM and ErM individuals. Species diversity and average relative growth rate (RGR) first increased and then decreased with increasing basal area (BA) ratios of EcM to AM tree species. These results suggested that the stronger CNDD of EcM saplings and AM adults favored local species diversity over other tree mycorrhizal types. The EcM tree species better facilitated the growth of AM and ErM tree species in the neighborhood, increasing the forest carbon sink rate. Interestingly, species diversity and average RGR decreased when EcM or AM tree species predominated. Therefore, our study highlights that manipulating the BA ratio of EcM to AM tree species will play a nonnegligible role in maintaining biodiversity and increasing forest carbon sink rates.
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Affiliation(s)
- Boliang Wei
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Lei Zhong
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
- Zhejiang Wuyanling National Nature Reserve Management Bureau, Taishun 325500, China
| | - Jinliang Liu
- College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Fangdong Zheng
- Zhejiang Wuyanling National Nature Reserve Management Bureau, Taishun 325500, China
| | - Yi Jin
- State Key Laboratory of Plant Physiology and Development in Guizhou Province, School of Life Sciences, Guizhou Normal University, Guiyang 550025, China
| | - Yuchu Xie
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zupei Lei
- Zhejiang Wuyanling National Nature Reserve Management Bureau, Taishun 325500, China
| | - Guochun Shen
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, Center for Global Change and Ecological Forecasting, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
| | - Mingjian Yu
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
- Correspondence: ; Tel.: +86-0571-88206469
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28
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Wu W, Wang X, Zhao T, Zhang W, Fang S, Xu Y, Zhang K. Tropical-temperate comparisons in insect seed predation vary between study levels and years. Ecol Evol 2022; 12:e9256. [PMID: 36188509 PMCID: PMC9484303 DOI: 10.1002/ece3.9256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 07/28/2022] [Accepted: 08/05/2022] [Indexed: 11/09/2022] Open
Abstract
The biotic interaction hypothesis, which states the species interaction becomes stronger in the tropics, is deeply rooted in classic ecological literature and widely accepted to contribute to the latitudinal gradients of biodiversity. Tests in latitudinal insect-plant interaction have emphasized leaf-eating insects on a single or a few plant species rather than within an entire community and mixed accumulating evidence, leaving the biotic interaction hypothesis disputed. We aimed to test the hypothesis by quantifying insect seed predation in a pair of tropical and temperate forest communities with similar elevations. We applied a consistent study design to sample predispersal seeds with systematically set seed traps in 2019-2020 and examined internally feeding insects. The intensity of seed predation was measured and further applied to tropical versus temperate comparison at two levels (cross-species and community-wide). Our results showed every latitudinal pattern associated with different study levels and years, that is, negative (greater granivory in the tropics in community-wide comparison in 2020), positive (less granivory in the tropics in community-wide and cross-species comparison in 2019), and missing (similar level of granivory in the tropics in cross-species comparisons in 2020). The cross-species level analyses ignore differences among species in seed production and weaken or even lose the latitudinal trend detected by community-wide comparisons. The between-year discrepancy in tropical-temperate comparisons relates to the highly variable annual seed composition in the temperate forest due to mast seeding of dominant species. Our study highlights that long-term community-level researches across biomes are essential to assess the latitudinal biotic interaction hypothesis.
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Affiliation(s)
- Wenlan Wu
- School of Life SciencesGuizhou Normal UniversityGuiyangChina
| | - Xiaoxue Wang
- School of Life SciencesGuizhou Normal UniversityGuiyangChina
| | - Tao Zhao
- School of Life SciencesGuizhou Normal UniversityGuiyangChina
| | - Wenfu Zhang
- Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesMenglaChina
| | - Shuai Fang
- Institute of Applied EcologyChinese Academy of SciencesShenyangChina
| | - Yu Xu
- School of Life SciencesGuizhou Normal UniversityGuiyangChina
| | - Kai Zhang
- School of Life SciencesGuizhou Normal UniversityGuiyangChina
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Dow C, Kim AY, D'Orangeville L, Gonzalez-Akre EB, Helcoski R, Herrmann V, Harley GL, Maxwell JT, McGregor IR, McShea WJ, McMahon SM, Pederson N, Tepley AJ, Anderson-Teixeira KJ. Warm springs alter timing but not total growth of temperate deciduous trees. Nature 2022; 608:552-557. [PMID: 35948636 DOI: 10.1038/s41586-022-05092-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 07/08/2022] [Indexed: 11/09/2022]
Abstract
As the climate changes, warmer spring temperatures are causing earlier leaf-out1-3 and commencement of CO2 uptake1,3 in temperate deciduous forests, resulting in a tendency towards increased growing season length3 and annual CO2 uptake1,3-7. However, less is known about how spring temperatures affect tree stem growth8,9, which sequesters carbon in wood that has a long residence time in the ecosystem10,11. Here we show that warmer spring temperatures shifted stem diameter growth of deciduous trees earlier but had no consistent effect on peak growing season length, maximum growth rates, or annual growth, using dendrometer band measurements from 440 trees across two forests. The latter finding was confirmed on the centennial scale by 207 tree-ring chronologies from 108 forests across eastern North America, where annual ring width was far more sensitive to temperatures during the peak growing season than in the spring. These findings imply that any extra CO2 uptake in years with warmer spring temperatures4,5 does not significantly contribute to increased sequestration in long-lived woody stem biomass. Rather, contradicting projections from global carbon cycle models1,12, our empirical results imply that warming spring temperatures are unlikely to increase woody productivity enough to strengthen the long-term CO2 sink of temperate deciduous forests.
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Affiliation(s)
- Cameron Dow
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA.,Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, USA
| | - Albert Y Kim
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA.,Statistical & Data Sciences, Smith College, Northampton, MA, USA
| | - Loïc D'Orangeville
- Harvard Forest, Petersham, MA, USA.,Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, New Brunswick, Canada
| | - Erika B Gonzalez-Akre
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA
| | - Ryan Helcoski
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA
| | - Valentine Herrmann
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA
| | - Grant L Harley
- Department of Earth and Spatial Sciences, University of Idaho, Moscow, ID, USA
| | - Justin T Maxwell
- Department of Geography, Indiana University, Bloomington, IN, USA
| | - Ian R McGregor
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA.,Center for Geospatial Analytics, North Carolina State University, Raleigh, NC, USA
| | - William J McShea
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA
| | - Sean M McMahon
- Smithsonian Environmental Research Center, Edgewater, MD, USA.,Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama, Republic of Panama
| | | | - Alan J Tepley
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA.,Canadian Forest Service, Northern Forestry Centre, Edmonton, Alberta, Canada.,Department of Forestry and Wildland Resources, Cal Poly Humboldt University, Arcata, CA, USA
| | - Kristina J Anderson-Teixeira
- Conservation Ecology Center, Smithsonian's National Zoo & Conservation Biology Institute, Front Royal, VA, USA. .,Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama, Republic of Panama.
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30
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Hanbury-Brown AR, Ward RE, Kueppers LM. Forest regeneration within Earth system models: current process representations and ways forward. THE NEW PHYTOLOGIST 2022; 235:20-40. [PMID: 35363882 DOI: 10.1111/nph.18131] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 02/24/2022] [Indexed: 06/14/2023]
Abstract
Earth system models must predict forest responses to global change in order to simulate future global climate, hydrology, and ecosystem dynamics. These models are increasingly adopting vegetation demographic approaches that explicitly represent tree growth, mortality, and recruitment, enabling advances in the projection of forest vulnerability and resilience, as well as evaluation with field data. To date, simulation of regeneration processes has received far less attention than simulation of processes that affect growth and mortality, in spite of their critical role maintaining forest structure, facilitating turnover in forest composition over space and time, enabling recovery from disturbance, and regulating climate-driven range shifts. Our critical review of regeneration process representations within current Earth system vegetation demographic models reveals the need to improve parameter values and algorithms for reproductive allocation, dispersal, seed survival and germination, environmental filtering in the seedling layer, and tree regeneration strategies adapted to wind, fire, and anthropogenic disturbance regimes. These improvements require synthesis of existing data, specific field data-collection protocols, and novel model algorithms compatible with global-scale simulations. Vegetation demographic models offer the opportunity to more fully integrate ecological understanding into Earth system prediction; regeneration processes need to be a critical part of the effort.
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Affiliation(s)
- Adam R Hanbury-Brown
- The Energy and Resources Group, University of California, 345 Giannini Hall, Berkeley, CA, 94720, USA
| | - Rachel E Ward
- The Energy and Resources Group, University of California, 345 Giannini Hall, Berkeley, CA, 94720, USA
| | - Lara M Kueppers
- The Energy and Resources Group, University of California, 345 Giannini Hall, Berkeley, CA, 94720, USA
- Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, CA, 94720, USA
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31
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Shuman JK, Balch JK, Barnes RT, Higuera PE, Roos CI, Schwilk DW, Stavros EN, Banerjee T, Bela MM, Bendix J, Bertolino S, Bililign S, Bladon KD, Brando P, Breidenthal RE, Buma B, Calhoun D, Carvalho LMV, Cattau ME, Cawley KM, Chandra S, Chipman ML, Cobian-Iñiguez J, Conlisk E, Coop JD, Cullen A, Davis KT, Dayalu A, De Sales F, Dolman M, Ellsworth LM, Franklin S, Guiterman CH, Hamilton M, Hanan EJ, Hansen WD, Hantson S, Harvey BJ, Holz A, Huang T, Hurteau MD, Ilangakoon NT, Jennings M, Jones C, Klimaszewski-Patterson A, Kobziar LN, Kominoski J, Kosovic B, Krawchuk MA, Laris P, Leonard J, Loria-Salazar SM, Lucash M, Mahmoud H, Margolis E, Maxwell T, McCarty JL, McWethy DB, Meyer RS, Miesel JR, Moser WK, Nagy RC, Niyogi D, Palmer HM, Pellegrini A, Poulter B, Robertson K, Rocha AV, Sadegh M, Santos F, Scordo F, Sexton JO, Sharma AS, Smith AMS, Soja AJ, Still C, Swetnam T, Syphard AD, Tingley MW, Tohidi A, Trugman AT, Turetsky M, Varner JM, Wang Y, Whitman T, Yelenik S, Zhang X. Reimagine fire science for the anthropocene. PNAS NEXUS 2022; 1:pgac115. [PMID: 36741468 PMCID: PMC9896919 DOI: 10.1093/pnasnexus/pgac115] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 08/02/2022] [Indexed: 02/07/2023]
Abstract
Fire is an integral component of ecosystems globally and a tool that humans have harnessed for millennia. Altered fire regimes are a fundamental cause and consequence of global change, impacting people and the biophysical systems on which they depend. As part of the newly emerging Anthropocene, marked by human-caused climate change and radical changes to ecosystems, fire danger is increasing, and fires are having increasingly devastating impacts on human health, infrastructure, and ecosystem services. Increasing fire danger is a vexing problem that requires deep transdisciplinary, trans-sector, and inclusive partnerships to address. Here, we outline barriers and opportunities in the next generation of fire science and provide guidance for investment in future research. We synthesize insights needed to better address the long-standing challenges of innovation across disciplines to (i) promote coordinated research efforts; (ii) embrace different ways of knowing and knowledge generation; (iii) promote exploration of fundamental science; (iv) capitalize on the "firehose" of data for societal benefit; and (v) integrate human and natural systems into models across multiple scales. Fire science is thus at a critical transitional moment. We need to shift from observation and modeled representations of varying components of climate, people, vegetation, and fire to more integrative and predictive approaches that support pathways toward mitigating and adapting to our increasingly flammable world, including the utilization of fire for human safety and benefit. Only through overcoming institutional silos and accessing knowledge across diverse communities can we effectively undertake research that improves outcomes in our more fiery future.
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Affiliation(s)
- Jacquelyn K Shuman
- Terrestrial Sciences Section, Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307-3000, USA
| | - Jennifer K Balch
- Earth Lab, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder,4001 Discovery Drive, Suite S348 611 UCB, Boulder, CO, 80303, USA
| | - Rebecca T Barnes
- Environmental Studies Program, Colorado College, 14 East Cache la Poudre, Colorado Springs, CO, 80903, USA
| | - Philip E Higuera
- Department of Ecosystem and Conservation Sciences, University of Montana, 32 Campus Dr., Missoula, MT, 59812, USA
| | - Christopher I Roos
- Department of Anthropology, Southern Methodist University, P.O. Box 750336, Dallas, TX, 75275-0336, USA
| | - Dylan W Schwilk
- Department of Biological Sciences, Texas Tech University, 2901 Main St. Lubbock, TX, 79409-43131, USA
| | - E Natasha Stavros
- Earth Lab, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder,4001 Discovery Drive, Suite S348 611 UCB, Boulder, CO, 80303, USA
| | - Tirtha Banerjee
- Samueli School of Engineering, University of California, 3084 Interdisciplinary Science and Engineering Building, UC Irvine, CA 92697, USA
| | - Megan M Bela
- Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado at Boulder, 216 UCB, Boulder CO, 80309, USA
- NOAA Chemical Sciences Laboratory, Boulder, CO, USA
| | - Jacob Bendix
- Department of Geography and the Environment, Syracuse University, 144 Eggers Hall, Syracuse NY 13244, USA
| | - Sandro Bertolino
- Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Torino, Italy
| | - Solomon Bililign
- Department of Physics, North Carolina A&T State University, 1601 E Market Street, Greensboro, NC 27411, USA
| | - Kevin D Bladon
- Department of Forest Engineering, Resources, and Management, Oregon State University, 244 Peavy Forest Science Center; Corvallis, OR, 97331, USA
| | - Paulo Brando
- Earth System Science, University of California Irvine, 3215 Croul Hall Irvine, CA 92697, USA
| | - Robert E Breidenthal
- Department of Aeronautics and Astronautics, University of Washington, Box 352400, Seattle, WA 98195-2400, USA
| | - Brian Buma
- Integrative Biology, University of Colorado Denver, Campus Box 171, P.O. Box 173364, Denver, CO 80217-3364, USA
| | - Donna Calhoun
- Department of Mathematics, Boise State University, 1910 University Drive, Boise, ID 83725-1135, USA
| | - Leila M V Carvalho
- Department of Geography, University of California Santa Barbara, 1832 Ellison Hall, Santa Barbara, CA, 93106, USA
| | - Megan E Cattau
- Human-Environment Systems, Boise State University, Boise State Environmental Research Building, 1295 W University Dr, Boise, ID 83706, USA
| | - Kaelin M Cawley
- National Ecological Observatory Network, Battelle, 1685 38th St., Suite 100, Boulder, CO 80301, USA
| | - Sudeep Chandra
- Global Water Center, University of Nevada, 1664 N. Virginia, Reno, NV, 89509, USA
| | - Melissa L Chipman
- Department of Earth and Environmental Sciences, Syracuse University, 317 Heroy Geology Building, 141 Crouse Dr, Syracuse, NY 13210, USA
| | - Jeanette Cobian-Iñiguez
- Department of Mechanical Engineering, University of California Merced, Sustainability Research and Engineering, SRE 366, 5200 Lake Rd, Merced, CA 95343, USA
| | - Erin Conlisk
- Point Blue Conservation Science, 3820 Cypress Dr, Petaluma, CA 94954, USA
| | - Jonathan D Coop
- Clark School of Environment and Sustainability, Western Colorado University, 1 Western Way, Gunnison CO 81231, USA
| | - Alison Cullen
- Evans School of Public Policy and Governance, University of Washington, Parrington Hall, Mailbox 353055, Seattle, WA 98195-3055, USA
| | - Kimberley T Davis
- Department of Ecosystem and Conservation Sciences, University of Montana, 32 Campus Dr., Missoula, MT, 59812, USA
| | - Archana Dayalu
- Atmospheric and Environmental Research, 131 Hartwell Ave, Lexington MA 02421, USA
| | - Fernando De Sales
- Department of Geography, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-4493, USA
| | - Megan Dolman
- Human-Environment Systems, Boise State University, Boise State Environmental Research Building, 1295 W University Dr, Boise, ID 83706, USA
| | - Lisa M Ellsworth
- Department of Fisheries, Wildlife, and Conservation Sciences, Oregon State University, 104 Nash Hall, Corvallis, OR 97330, USA
| | - Scott Franklin
- School of Biological Sciences, University of Northern Colorado, 501 20th Street, Greeley, CO 80639, USA
| | - Christopher H Guiterman
- Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado at Boulder, 216 UCB, Boulder CO, 80309, USA
- NOAA's National Centers for Environmental Information (NCEI), 325 Broadway, NOAA E/GC3, Boulder, Colorado 80305-3337, USA
| | - Matthew Hamilton
- School of Environment and Natural Resources, The Ohio State University, 2021 Coffey Road, Columbus, OH 43210, USA
| | - Erin J Hanan
- Department of Natural Resources and Environmental Science, University of Nevada, 1664 N. Virginia St. Mail Stop 0186. Reno, NV 89509, USA
| | - Winslow D Hansen
- Cary Institute of Ecosystem Studies, PO Box AB, Millbrook, NY 12545, USA
| | - Stijn Hantson
- Earth System Science Program, Faculty of Natural Sciences, Max Planck Tandem Group in Earth System Science, Universidad del Rosario, Carrera 26 # 63b-48, Bogota, DC 111221, Colombia
| | - Brian J Harvey
- School of Environmental and Forest Sciences, University of Washington, UW-SEFS, Box 352100, Seattle, WA 98195, USA
| | - Andrés Holz
- Department of Geography, Portland State University, 1721 SW Broadway, Portland, OR 97201, USA
| | - Tao Huang
- Human-Environment Systems, Boise State University, Boise State Environmental Research Building, 1295 W University Dr, Boise, ID 83706, USA
| | - Matthew D Hurteau
- Department of Biology, University of New Mexico, MSC03 2020, Albuquerque, NM 87131, USA
| | - Nayani T Ilangakoon
- Earth Lab, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder,4001 Discovery Drive, Suite S348 611 UCB, Boulder, CO, 80303, USA
| | - Megan Jennings
- Institute for Ecological Monitoring and Management, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-4614, USA
| | - Charles Jones
- Department of Geography, University of California Santa Barbara, 1832 Ellison Hall, Santa Barbara, CA, 93106, USA
| | | | - Leda N Kobziar
- College of Natural Resources, University of Idaho, 1031 N. Academic Way Coeur d'Alene, ID 83844, USA
| | - John Kominoski
- Institute of Environment and Department of Biological Sciences, Florida International University, 11200 SW 8th Street, Miami, FL, 33199, USA
| | - Branko Kosovic
- Weather Systems and Assessment Program, National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307-3000, USA
| | - Meg A Krawchuk
- Department of Forest Ecosystems and Society, Oregon State University, Richardson Hall, Corvallis, OR 97331, USA
| | - Paul Laris
- Department of Geography, California State University Long Beach, Long Beach, 1250 Bellflower Blvd, Long Beach, CA 90840, USA
| | - Jackson Leonard
- Rocky Mountain Research Station, U.S.D.A. Forest Service, 2500 S. Pine Knoll Dr. Flagstaff, Arizona 86001, USA
| | | | - Melissa Lucash
- Department of Geography, University of Oregon, 1251 University of Oregon, Eugene OR 97403-1251, USA
| | - Hussam Mahmoud
- Department of Civil and Environmental Engineering, Colorado State University, 1372 Campus Delivery, Fort Collins, CO, 80523, USA
| | - Ellis Margolis
- U.S. Geological Survey, Fort Collins Science Center, New Mexico Landscapes Field Station, 15 Entrance Rd., Los Alamos, NM 87544, USA
| | - Toby Maxwell
- Department of Biological Sciences, Boise State University, 1910 University Dr. Boise ID 83725, USA
| | - Jessica L McCarty
- Department of Geography and Geospatial Analysis Center, Miami University, 217 Shideler Hall, Oxford, OH 45056, USA
| | - David B McWethy
- Department of Earth Sciences, Montana State University, 226 Traphagen Hall, Bozeman, MT 59717, USA
| | - Rachel S Meyer
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, 130 McAllister Way, Santa Cruz, CA 95060, USA
| | - Jessica R Miesel
- Department of Plant, Soil and Microbial Sciences, Michigan State University, 1066 Bogue Street Rm A286, East Lansing, MI 48823, USA
| | - W Keith Moser
- Rocky Mountain Research Station, U.S.D.A. Forest Service, 2500 S. Pine Knoll Dr. Flagstaff, Arizona 86001, USA
| | - R Chelsea Nagy
- Earth Lab, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder,4001 Discovery Drive, Suite S348 611 UCB, Boulder, CO, 80303, USA
| | - Dev Niyogi
- Jackson School of Geosciences, and Cockrell School of Engineering, University of Texas at Austin, 2305 Speedway Stop C1160, Austin, TX 78712-1692, USA
| | - Hannah M Palmer
- Department of Life and Environmental Sciences, University of California Merced, Merced, 5200 Lake Rd, Merced, CA 95343, USA
| | - Adam Pellegrini
- Department of Plant Sciences, University of Cambridge, Downing St, Cambridge, CB2 3EA, UK
| | - Benjamin Poulter
- NASA Goddard Space Flight Center, Greenbelt Road, Greenbelt, MD 20771, USA
| | - Kevin Robertson
- Tall Timbers Research Station and Land Conservancy, 13093 Henry Beadel Drive, Tallahassee, FL 32312, USA
| | - Adrian V Rocha
- Department of Biological Sciences, University of Notre Dame, 100 Campus Dr., Notre Dame, IN 46556, USA
| | - Mojtaba Sadegh
- Department of Civil Engineering, Boise State University, 1910 University Drive, Boise, ID, 83725, USA
| | - Fernanda Santos
- Environmental Sciences Division, Oak Ridge National Laboratory, One Bethel Valley Road, P.O. Box 2008, MS-6038, Oak Ridge, TN 37831-6038, USA
| | - Facundo Scordo
- Global Water Center and the Department of Biology, University of Nevada, 1664 N. Virginia, Reno, NV, 89509, USA
- Instituto Argentino de Oceanografía (IADO-CONICET-UNS), Florida 8000, Bahía Blanca, B8000BFW Buenos Aires, Argentina
| | - Joseph O Sexton
- terraPulse, Inc., 13201 Squires Ct., North Potomac, MD 20878, USA
| | - A Surjalal Sharma
- Department of Astronomy, University of Maryland, 4296 Stadium Dr., Astronomy Dept Room 1113, College Park, MD 20742, USA
| | - Alistair M S Smith
- Department of Earth and Spatial Sciences, College of Science, University of Idaho, 875 Perimeter Drive MS 3021, Moscow ID, 83843-3021, USA
- Department of Forest, Rangeland, and Fire Science, College of Natural Resources, University of Idaho, 875 Perimeter Drive MS 1133, Moscow, ID 83844-1133, USA
| | - Amber J Soja
- NASA Langley Research Center, NASA, 2 Langley Blvd, Hampton, VA 23681, USA
- National Institute of Aerospace, NASA, 100 Exploration Way, Hampton, VA 23666, USA
| | - Christopher Still
- Department of Forest Ecosystems and Society, Oregon State University, Richardson Hall, Corvallis, OR 97331, USA
| | - Tyson Swetnam
- Data Science Institute, University of Arizona, 1657 E Helen St, Tucson, AZ 85721, USA
| | - Alexandra D Syphard
- Conservation Biology Institute, 10423 Sierra Vista Ave., La Mesa, CA, 91941, USA
| | - Morgan W Tingley
- Ecology and Evolutionary Biology, University of California Los Angeles, 621 Charles E Young Dr S #951606, Los Angeles, CA 90095, USA
| | - Ali Tohidi
- Department of Mechanical Engineering, San Jose State University, Room 310-K, ENG Building, 1 Washington Square, San Jose, CA 95112, USA
| | - Anna T Trugman
- Department of Geography, University of California Santa Barbara, 1832 Ellison Hall, Santa Barbara, CA, 93106, USA
| | - Merritt Turetsky
- Institute of Arctic and Alpine Research, University of Colorado Boulder, Campus Box 450, Boulder, CO 80309-0450, USA
| | - J Morgan Varner
- Tall Timbers Research Station and Land Conservancy, 13093 Henry Beadel Drive, Tallahassee, FL 32312, USA
| | - Yuhang Wang
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, GA 30332, USA
| | - Thea Whitman
- Department of Soil Science, University of Wisconsin-Madison, 1525 Observatory Dr., Madison, WI 53711, USA
| | - Stephanie Yelenik
- Rocky Mountain Research Station, U.S.D.A. Forest Service, 920 Valley Road, Reno NV, 89512, USA
| | - Xuan Zhang
- Department of Life and Environmental Sciences, University of California Merced, Merced, 5200 Lake Rd, Merced, CA 95343, USA
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Jomura M, Yoshida R, Michalčíková L, Tláskal V, Baldrian P. Factors Controlling Dead Wood Decomposition in an Old-Growth Temperate Forest in Central Europe. J Fungi (Basel) 2022; 8:jof8070673. [PMID: 35887430 PMCID: PMC9325057 DOI: 10.3390/jof8070673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/02/2022] [Accepted: 06/07/2022] [Indexed: 02/04/2023] Open
Abstract
Dead wood represents an important pool of carbon and nitrogen in forest ecosystems. This source of soil organic matter has diverse ecosystem functions that include, among others, carbon and nitrogen cycling. However, information is limited on how deadwood properties such as chemical composition, decomposer abundance, community composition, and age correlate and affect decomposition rate. Here, we targeted coarse dead wood of beech, spruce, and fir, namely snags and tree trunks (logs) in an old-growth temperate forest in central Europe; measured their decomposition rate as CO2 production in situ; and analyzed their relationships with other measured variables. Respiration rate of dead wood showed strong positive correlation with acid phosphatase activity and negative correlation with lignin content. Fungal biomass (ergosterol content) and moisture content were additional predictors. Our results indicate that dead wood traits, including tree species, age, and position (downed/standing), affected dead wood chemical properties, microbial biomass, moisture condition, and enzyme activity through changes in fungal communities and ultimately influenced the decomposition rate of dead wood.
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Affiliation(s)
- Mayuko Jomura
- Department of Forest Science and Resources, College of Bioresource Sciences, Nihon University, Fujisawa 252-0880, Kanagawa, Japan;
- Correspondence:
| | - Riki Yoshida
- Department of Forest Science and Resources, College of Bioresource Sciences, Nihon University, Fujisawa 252-0880, Kanagawa, Japan;
| | - Lenka Michalčíková
- Laboratory of Environmental Microbiology, Institute of Microbiology of the Czech Academy of Sciences, 142-20 Prague, Czech Republic; (L.M.); (V.T.); (P.B.)
- Department of Biology, Faculty of Science, University of Hradec Kralove, Hradecká 1285, 500-03 Hradec Králové, Czech Republic
| | - Vojtěch Tláskal
- Laboratory of Environmental Microbiology, Institute of Microbiology of the Czech Academy of Sciences, 142-20 Prague, Czech Republic; (L.M.); (V.T.); (P.B.)
| | - Petr Baldrian
- Laboratory of Environmental Microbiology, Institute of Microbiology of the Czech Academy of Sciences, 142-20 Prague, Czech Republic; (L.M.); (V.T.); (P.B.)
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33
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Whole-Plant Seedling Functional Traits Suggest Lianas Also Support “Fast-Slow” Plant Economics Spectrum. FORESTS 2022. [DOI: 10.3390/f13070990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Lianas are predicted to perform better than trees during seasonal drought among tropical forests, which has substantial implications for tree and forest dynamics. Here, we use whole-plant trait comparison to test whether lianas allocated on the resource acquisitive end of the continuum of woody plant strategies. We measured morphological and biomass allocation traits for seedlings of 153 species of trees and lianas occurring in a tropical forest in Thailand during the dry season. We first compared trait differences between lianas and trees directly, and then classified all species based on their trait similarities. We found that liana seedlings had significantly higher specific leaf areas and specific stem lengths than co-occurring tree seedlings. Trait similarity classification resulted in a liana-dominated cluster and a tree-dominated cluster. Compared to the tree-dominated cluster, species in the liana-dominated cluster were characterized by a consistent pattern of lower dry matter content and cheaper and more efficient per dry mass unit investment in both above- and below-ground organs. The consistency of all organs operating in tandem for dry matter content, together with optimized investment in them per mass unit, implied that the lianas and trees can be highly overlapped on the strategy gradient of the resource acquisition continuum.
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Basset Y, Hajibabaei M, Wright MTG, Castillo AM, Donoso DA, Segar ST, Souto-Vilarós D, Soliman DY, Roslin T, Smith MA, Lamarre GPA, De León LF, Decaëns T, Palacios-Vargas JG, Castaño-Meneses G, Scheffrahn RH, Rivera M, Perez F, Bobadilla R, Lopez Y, Ramirez Silva JA, Cruz MM, Galván AA, Barrios H. Comparison of traditional and DNA metabarcoding samples for monitoring tropical soil arthropods (Formicidae, Collembola and Isoptera). Sci Rep 2022; 12:10762. [PMID: 35750774 PMCID: PMC9232565 DOI: 10.1038/s41598-022-14915-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 06/15/2022] [Indexed: 11/09/2022] Open
Abstract
The soil fauna of the tropics remains one of the least known components of the biosphere. Long-term monitoring of this fauna is hampered by the lack of taxonomic expertise and funding. These obstacles may potentially be lifted with DNA metabarcoding. To validate this approach, we studied the ants, springtails and termites of 100 paired soil samples from Barro Colorado Island, Panama. The fauna was extracted with Berlese-Tullgren funnels and then either sorted with traditional taxonomy and known, individual DNA barcodes ("traditional samples") or processed with metabarcoding ("metabarcoding samples"). We detected 49 ant, 37 springtail and 34 termite species with 3.46 million reads of the COI gene, at a mean sequence length of 233 bp. Traditional identification yielded 80, 111 and 15 species of ants, springtails and termites, respectively; 98%, 37% and 100% of these species had a Barcode Index Number (BIN) allowing for direct comparison with metabarcoding. Ants were best surveyed through traditional methods, termites were better detected by metabarcoding, and springtails were equally well detected by both techniques. Species richness was underestimated, and faunal composition was different in metabarcoding samples, mostly because 37% of ant species were not detected. The prevalence of species in metabarcoding samples increased with their abundance in traditional samples, and seasonal shifts in species prevalence and faunal composition were similar between traditional and metabarcoding samples. Probable false positive and negative species records were reasonably low (13-18% of common species). We conclude that metabarcoding of samples extracted with Berlese-Tullgren funnels appear suitable for the long-term monitoring of termites and springtails in tropical rainforests. For ants, metabarcoding schemes should be complemented by additional samples of alates from Malaise or light traps.
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Affiliation(s)
- Yves Basset
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá, Panama.
- Faculty of Science, University of South Bohemia, 370 05, Ceske Budejovice, Czech Republic.
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, 370 05, Ceske Budejovice, Czech Republic.
- Maestría de Entomología, Universidad de Panamá, 080814, Panama City, Republic of Panama.
| | - Mehrdad Hajibabaei
- Centre for Biodiversity Genomics, Biodiversity Institute of Ontario and Department of Integrative Biology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G2W1, Canada
| | - Michael T G Wright
- Centre for Biodiversity Genomics, Biodiversity Institute of Ontario and Department of Integrative Biology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G2W1, Canada
| | - Anakena M Castillo
- Centro de Biodiversidad y Descubrimiento de Drogas, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT-AIP), P.O. Box 0843-01103, Panamá 5, Panama
- Department of Biotechnology, Acharya Nagarjuna University, Guntur, Andhra Pradesh, 522 510, India
| | - David A Donoso
- Departamento de Biología, Escuela Politécnica Nacional, Quito, Ecuador
- Centro de Investigación de la Biodiversidad y Cambio Climático, Universidad Tecnológica Indoamérica, EC170103, Quito, Ecuador
| | - Simon T Segar
- Agriculture and Environment Department, Harper Adams University, Newport, TF10 8NB, Shropshire, UK
| | - Daniel Souto-Vilarós
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, 370 05, Ceske Budejovice, Czech Republic
- Department of Ecology, Faculty of Science, Charles University, Vinicna 7, 128 44, Prague, Czech Republic
| | - Dina Y Soliman
- Centre for Biodiversity Genomics, Biodiversity Institute of Ontario and Department of Integrative Biology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G2W1, Canada
| | - Tomas Roslin
- Department of Ecology, Swedish University of Agricultural Sciences, P.O. Box 7044, 750 07, Uppsala, Sweden
| | - M Alex Smith
- Department of Integrative Biology, University of Guelph, Guelph, ON, N1G2W1, Canada
| | - Greg P A Lamarre
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá, Panama
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, 370 05, Ceske Budejovice, Czech Republic
| | - Luis F De León
- Centro de Biodiversidad y Descubrimiento de Drogas, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT-AIP), P.O. Box 0843-01103, Panamá 5, Panama
- Department of Biology, University of Massachusetts Boston, 100 Morrissey Blvd., Boston, MA, 02125, USA
| | - Thibaud Decaëns
- CEFE, University of Montpellier, CNRS, EPHE, IRD, University Paul Valéry, Montpellier 3, Montpellier, France
| | - José G Palacios-Vargas
- Laboratorio de Ecología y Sistemática de Microartrópodos, Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Gabriela Castaño-Meneses
- Unidad Multidisciplinaria de Docencia e Investigación, Facultad de Ciencias, Universidad Nacional Autónoma de México, Campus Juriquilla, Juriquilla 76230, Querétaro, Mexico
| | - Rudolf H Scheffrahn
- Fort Lauderdale Research & Education Center, 3205 College Avenue, Davie, FL, 33314, USA
| | - Marleny Rivera
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá, Panama
| | - Filonila Perez
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá, Panama
| | - Ricardo Bobadilla
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá, Panama
| | - Yacksecari Lopez
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá, Panama
| | | | - Maira Montejo Cruz
- Laboratorio de Ecología y Sistemática de Microartrópodos, Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Angela Arango Galván
- Laboratorio de Ecología y Sistemática de Microartrópodos, Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510, Mexico City, Mexico
| | - Héctor Barrios
- Maestría de Entomología, Universidad de Panamá, 080814, Panama City, Republic of Panama
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Piponiot C, Anderson-Teixeira KJ, Davies SJ, Allen D, Bourg NA, Burslem DFRP, Cárdenas D, Chang-Yang CH, Chuyong G, Cordell S, Dattaraja HS, Duque Á, Ediriweera S, Ewango C, Ezedin Z, Filip J, Giardina CP, Howe R, Hsieh CF, Hubbell SP, Inman-Narahari FM, Itoh A, Janík D, Kenfack D, Král K, Lutz JA, Makana JR, McMahon SM, McShea W, Mi X, Bt Mohamad M, Novotný V, O'Brien MJ, Ostertag R, Parker G, Pérez R, Ren H, Reynolds G, Md Sabri MD, Sack L, Shringi A, Su SH, Sukumar R, Sun IF, Suresh HS, Thomas DW, Thompson J, Uriarte M, Vandermeer J, Wang Y, Ware IM, Weiblen GD, Whitfeld TJS, Wolf A, Yao TL, Yu M, Yuan Z, Zimmerman JK, Zuleta D, Muller-Landau HC. Distribution of biomass dynamics in relation to tree size in forests across the world. THE NEW PHYTOLOGIST 2022; 234:1664-1677. [PMID: 35201608 DOI: 10.1111/nph.17995] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 10/05/2021] [Indexed: 06/14/2023]
Abstract
Tree size shapes forest carbon dynamics and determines how trees interact with their environment, including a changing climate. Here, we conduct the first global analysis of among-site differences in how aboveground biomass stocks and fluxes are distributed with tree size. We analyzed repeat tree censuses from 25 large-scale (4-52 ha) forest plots spanning a broad climatic range over five continents to characterize how aboveground biomass, woody productivity, and woody mortality vary with tree diameter. We examined how the median, dispersion, and skewness of these size-related distributions vary with mean annual temperature and precipitation. In warmer forests, aboveground biomass, woody productivity, and woody mortality were more broadly distributed with respect to tree size. In warmer and wetter forests, aboveground biomass and woody productivity were more right skewed, with a long tail towards large trees. Small trees (1-10 cm diameter) contributed more to productivity and mortality than to biomass, highlighting the importance of including these trees in analyses of forest dynamics. Our findings provide an improved characterization of climate-driven forest differences in the size structure of aboveground biomass and dynamics of that biomass, as well as refined benchmarks for capturing climate influences in vegetation demographic models.
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Affiliation(s)
- Camille Piponiot
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
- UR Forests and Societies, Cirad, Université de Montpellier, Montpellier, 34000, France
| | - Kristina J Anderson-Teixeira
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
| | - Stuart J Davies
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, 20560, USA
- Department of Botany, National Museum of Natural History, Washington, DC, 20560, USA
| | - David Allen
- Department of Biology, Middlebury College, Middlebury, VT, 05753, USA
| | - Norman A Bourg
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
| | - David F R P Burslem
- School of Biological Sciences, University of Aberdeen, Aberdeen, AB24 3UU, UK
| | - Dairon Cárdenas
- Instituto Amazónico de Investigaciones Científicas Sinchi, Bogota, DC, Colombia
| | - Chia-Hao Chang-Yang
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung City, 80424
| | - George Chuyong
- Department of Botany and Plant Physiology, University of Buea, Buea, Cameroon
| | - Susan Cordell
- Institute of Pacific Islands Forestry, USDA Forest Service, Hilo, HI, 96720, USA
| | | | - Álvaro Duque
- Departamento de Ciencias Forestales, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia
| | - Sisira Ediriweera
- Department of Science and Technology, Faculty of Applied Sciences, Uva Wellassa University, Badulla, 90000, Sri Lanka
| | - Corneille Ewango
- Faculty of Sciences, University of Kisangani, BP 2012, Kisangani, Democratic Republic of the Congo
| | - Zacky Ezedin
- Department of Plant & Microbial Biology, University of Minnesota, St Paul, MN, 55108, USA
| | - Jonah Filip
- Binatang Research Centre, Madang, Papua New Guinea
| | - Christian P Giardina
- Institute of Pacific Islands Forestry, USDA Forest Service, Hilo, HI, 96720, USA
| | - Robert Howe
- Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI, 54311-7001, USA
| | - Chang-Fu Hsieh
- Institute of Ecology and Evolutionary Biology, National Taiwan University, Taipei, 10617
| | - Stephen P Hubbell
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | | | - Akira Itoh
- Graduate School of Science, Osaka City University, Osaka, 5588585, Japan
| | - David Janík
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, 602 00, Czech Republic
| | - David Kenfack
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Department of Botany, National Museum of Natural History, Washington, DC, 20560, USA
| | - Kamil Král
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, 602 00, Czech Republic
| | - James A Lutz
- Wildland Resources Department, Utah State University, Logan, UT, 84322, USA
| | - Jean-Remy Makana
- Faculty of Sciences, University of Kisangani, BP 2012, Kisangani, Democratic Republic of the Congo
| | - Sean M McMahon
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Forest Global Earth Observatory, Smithsonian Environmental Research Center, Edgewater, MD, 21037, USA
| | - William McShea
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
| | - Xiangcheng Mi
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, 100093
| | - Mohizah Bt Mohamad
- Research Development and Innovation Division, Forest Department Sarawak, Bangunan Baitul Makmur 2, Medanraya, Petrajaya, Kuching, 93050, Malaysia
| | - Vojtěch Novotný
- Binatang Research Centre, Madang, Papua New Guinea
- Biology Centre, Academy of Sciences of the Czech Republic and Faculty of Science, University of South Bohemia, Ceske Budejovice, 37005, Czech Republic
| | - Michael J O'Brien
- Área de Biodiversidad y Conservación, Universidad Rey Juan Carlos, Móstoles, 28933, Spain
| | - Rebecca Ostertag
- Department of Biology, University of Hawaii, Hilo, HI, 96720, USA
| | - Geoffrey Parker
- Forest Ecology Group, Smithsonian Environmental Research Center, Edgewater, MD, 21037, USA
| | - Rolando Pérez
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
| | - Haibao Ren
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, 100093
| | - Glen Reynolds
- The Royal Society SEARRP (UK/Malaysia), Danum Valley Field Centre, Lahad Datu, Sabah, Malaysia
| | - Mohamad Danial Md Sabri
- Forestry and Environment Division, Forest Research Institute Malaysia, Kepong, Selangor, 52109, Malaysia
| | - Lawren Sack
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Ankur Shringi
- Centre for Ecological Sciences, Indian Institute of Science, Bangalore, Karnataka, India
| | | | - Raman Sukumar
- Centre for Ecological Sciences and Divecha Centre for Climate Change, Indian Institute of Science, Bangalore, Karnataka, India
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien, 974301
| | - Hebbalalu S Suresh
- Centre for Ecological Sciences and Divecha Centre for Climate Change, Indian Institute of Science, Bangalore, Karnataka, India
| | - Duncan W Thomas
- School of Biological Sciences, Washington State University, Vancouver, WA, 99164, USA
| | - Jill Thompson
- UK Centre for Ecology and Hydrology, Bush Estate, Penicuik, Midlothian, EH26 0SB, UK
| | - Maria Uriarte
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, 10027, USA
| | - John Vandermeer
- Department of Ecology and Evolutionary Biology and Herbarium, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yunquan Wang
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004
| | - Ian M Ware
- Institute of Pacific Islands Forestry, USDA Forest Service, Hilo, HI, 96720, USA
| | - George D Weiblen
- Department of Plant & Microbial Biology, University of Minnesota, St Paul, MN, 55108, USA
| | | | - Amy Wolf
- Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI, 54311-7001, USA
| | - Tze Leong Yao
- Forestry and Environment Division, Forest Research Institute Malaysia, Kepong, Selangor, 52109, Malaysia
| | - Mingjian Yu
- College of Life Sciences, Zhejiang University, Hangzhou
| | - Zuoqiang Yuan
- CAS Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016
| | - Jess K Zimmerman
- Department of Environmental Sciences, University of Puerto Rico, San Juan, PR, USA
| | - Daniel Zuleta
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, 20560, USA
| | - Helene C Muller-Landau
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Panama City, Panama
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Canty SWJ, Nowakowski AJ, Connette GM, Deichmann JL, Songer M, Chiaravalloti R, Dodge M, Feistner ATC, Fergus C, Hall JS, Komatsu KJ, Linares‐Palomino R, McField M, Ogburn MB, Velez‐Zuazo X, Akre TS. Mapping a conservation research network to the Sustainable Development Goals. CONSERVATION SCIENCE AND PRACTICE 2022. [DOI: 10.1111/csp2.12731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Affiliation(s)
- Steven W. J. Canty
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian Marine Station Fort Pierce Florida USA
| | - A. Justin Nowakowski
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Moore Center for Science Conservation International Arlington Virginia USA
| | - Grant M. Connette
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Jessica L. Deichmann
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Melissa Songer
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Rafael Chiaravalloti
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Molly Dodge
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Anna T. C. Feistner
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Craig Fergus
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Jefferson S. Hall
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- ForestGEO, Smithsonian Tropical Research Institute Panama City Panama
| | - Kimberly J. Komatsu
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian Environmental Research Center Edgewater Maryland USA
| | - Reynaldo Linares‐Palomino
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Melanie McField
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian Marine Station Fort Pierce Florida USA
| | - Matthew B. Ogburn
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian Environmental Research Center Edgewater Maryland USA
| | - Ximena Velez‐Zuazo
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
| | - Thomas S. Akre
- Working Land and Seascapes Smithsonian Institution Washington District of Columbia USA
- Smithsonian National Zoo and Conservation Biology Institute Front Royal Virginia USA
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Kaewsong K, Chang-Yang CH, Bunyavejchewin S, Kraichak E, Yang J, Sun Z, Zhang C, Li W, Lin L, Sun IF. Effects of fire disturbance on species and functional compositions vary with tree sizes in a tropical dry forest. PeerJ 2022; 10:e13270. [PMID: 35573170 PMCID: PMC9104091 DOI: 10.7717/peerj.13270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 03/23/2022] [Indexed: 01/13/2023] Open
Abstract
Background Disturbances are crucial in determining forest biodiversity, dynamics, and ecosystem functions. Surface fire is a significant disturbance in tropical forests, but research on the effect of surface fire on structuring species and functional composition in a community through time remains scarce. Using a 20-year dataset of tree demography in a seasonal evergreen tropical forest in Thailand, we specifically addressed two essential questions: (1) What is the pattern of temporal turnover in species and functional composition in a community with frequent fire disturbance? (2) How did the temporal turnover vary with tree size? Methods We analyzed species compositional and functional temporal turnovers in four different tree size classes among five tree censuses. We quantified species turnover by calculating Bray-Curtis dissimilarity, and investigated its underlying mechanisms by comparing pairwise dissimilarity of functional traits with simulations from null models. If fire disturbances contribute more to a stochastic process, the functional composition would display a random pattern. However, if they contribute more towards a deterministic process, the functional composition should reveal a non-random pattern. Results Over 20 years (1994-2014), we observed changes in species composition, whereas functional composition remained relatively stable. The temporal turnover patterns of species and functional compositions varied with tree sizes. In particular, temporal functional turnover shifted very little for large trees, suggesting that changes in species composition of larger trees are contributed by species with similar functional traits through time. The temporal functional composition turnovers of smaller trees (DBH ≤ 5 cm) were mostly at random. We detected a higher functional turnover than expected by null models in some quadrats throughout the 50-ha study plot, and their observed turnover varied with diameter classes. Conclusions Species compositional changes were caused by changes in the abundance of species with similar functional traits through time. Temporal functional turnover in small trees was random in most quadrats, suggesting that the recruits came from the equal proportions of surviving trees and new individuals of fast-growing species, which increased rapidly after fires. On the other hand, functional composition in big trees was more likely determined by surviving trees which maintained higher functional similarities than small trees through time. Fire disturbance is important for ecosystem functions, as changing forest fire frequency may alter forest turnover, particularly in functional composition in the new recruits of this forest.
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Affiliation(s)
- Kanokporn Kaewsong
- Department of Natural Resources and Environmental Studies, College of Environmental Studies, National Dong Hwa University, Hualien, Taiwan
| | - Chia-Hao Chang-Yang
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | | | - Ekaphan Kraichak
- Department of Botany, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Jie Yang
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan, China
| | - Zhenhua Sun
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan, China
| | - Caicai Zhang
- Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan, China
| | - Wenfei Li
- School of Ecology and Environmental Science, Yunnan University, Kunming, China
| | - Luxiang Lin
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan, China
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, College of Environmental Studies, National Dong Hwa University, Hualien, Taiwan
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Quantifying the Effects of Stand and Climate Variables on Biomass of Larch Plantations Using Random Forests and National Forest Inventory Data in North and Northeast China. SUSTAINABILITY 2022. [DOI: 10.3390/su14095580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The accurate estimation of forest biomass is crucial for supporting climate change mitigation efforts such as sustainable forest management. Although traditional regression models have been widely used to link stand biomass with biotic and abiotic predictors, this approach has several disadvantages, including the difficulty in dealing with data autocorrelation, model selection, and convergence. While machine learning can overcome these challenges, the application remains limited, particularly at a large scale with consideration of climate variables. This study used the random forests (RF) algorithm to estimate stand aboveground biomass (AGB) and total biomass (TB) of larch (Larix spp.) plantations in north and northeast China and quantified the contributions of different predictors. The data for modelling biomass were collected from 445 sample plots of the National Forest Inventory (NFI). A total of 22 independent variables (6 stand and 16 climate variables) were used to develop and train climate-sensitive stand biomass models. Optimization of hyper parameters was implemented using grid search and 10-fold cross-validation. The coefficient of determination (R2) and root mean square error (RMSE) of the RF models were 0.9845 and 3.8008 t ha−1 for AGB, and 0.9836 and 5.1963 t ha−1 for TB. The cumulative contributions of stand and climate factors to stand biomass were >98% and <2%, respectively. The most crucial stand and climate variables were stand volume and annual heat-moisture index (AHM), with relative importance values of >60% and ~0.25%, respectively. The partial dependence plots illustrated the complicated relationships between climate factors and stand biomass. This study illustrated the power of RF for estimating stand biomass and understanding the effects of stand and climate factors on forest biomass. The application of RF can be useful for mapping of large-scale carbon stock.
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39
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Needham JF, Johnson DJ, Anderson-Teixeira KJ, Bourg N, Bunyavejchewin S, Butt N, Cao M, Cárdenas D, Chang-Yang CH, Chen YY, Chuyong G, Dattaraja HS, Davies SJ, Duque A, Ewango CEN, Fernando ES, Fisher R, Fletcher CD, Foster R, Hao Z, Hart T, Hsieh CF, Hubbell SP, Itoh A, Kenfack D, Koven CD, Larson AJ, Lutz JA, McShea W, Makana JR, Malhi Y, Marthews T, Bt Mohamad M, Morecroft MD, Norden N, Parker G, Shringi A, Sukumar R, Suresh HS, Sun IF, Tan S, Thomas DW, Thompson J, Uriarte M, Valencia R, Yao TL, Yap SL, Yuan Z, Yuehua H, Zimmerman JK, Zuleta D, McMahon SM. Demographic composition, not demographic diversity, predicts biomass and turnover across temperate and tropical forests. GLOBAL CHANGE BIOLOGY 2022; 28:2895-2909. [PMID: 35080088 DOI: 10.1111/gcb.16100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/12/2022] [Accepted: 01/14/2022] [Indexed: 06/14/2023]
Abstract
The growth and survival of individual trees determine the physical structure of a forest with important consequences for forest function. However, given the diversity of tree species and forest biomes, quantifying the multitude of demographic strategies within and across forests and the way that they translate into forest structure and function remains a significant challenge. Here, we quantify the demographic rates of 1961 tree species from temperate and tropical forests and evaluate how demographic diversity (DD) and demographic composition (DC) differ across forests, and how these differences in demography relate to species richness, aboveground biomass (AGB), and carbon residence time. We find wide variation in DD and DC across forest plots, patterns that are not explained by species richness or climate variables alone. There is no evidence that DD has an effect on either AGB or carbon residence time. Rather, the DC of forests, specifically the relative abundance of large statured species, predicted both biomass and carbon residence time. Our results demonstrate the distinct DCs of globally distributed forests, reflecting biogeography, recent history, and current plot conditions. Linking the DC of forests to resilience or vulnerability to climate change, will improve the precision and accuracy of predictions of future forest composition, structure, and function.
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Affiliation(s)
- Jessica F Needham
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Smithsonian Environmental Research Center, Edgewater, Maryland, USA
- Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Daniel J Johnson
- School of Forest, Fisheries, and Geomatics Sciences, University of Florida, Gainesville, Florida, USA
| | - Kristina J Anderson-Teixeira
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Smithsonian Conservation Biology Institute, Front Royal, Virginia, USA
| | - Norman Bourg
- Smithsonian Conservation Biology Institute, Front Royal, Virginia, USA
| | - Sarayudh Bunyavejchewin
- Department of National Parks, Wildlife and Plant Conservation, Forest Research Office, Chatuchak, Bangkok, Thailand
| | - Nathalie Butt
- School of Earth and Environmental Sciences, University of Queensland, St Lucia, Queensland, Australia
| | - Min Cao
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Dairon Cárdenas
- Herbario Amazónico Colombiana, Instituto Amazónico de Investigaciones Científicas Sinchi, Bogotá, Colombia
| | - Chia-Hao Chang-Yang
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Yu-Yun Chen
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien, Taiwan
| | - George Chuyong
- Department of Plant Science, University of Buea, Buea, Cameroon
| | | | - Stuart J Davies
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Smithsonian Tropical Research Institute, Washington DC, USA
| | - Alvaro Duque
- Departmento de Ciencias Forestales, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia
| | - Corneille E N Ewango
- Faculty of the Management of Renewable Natural Resources, University of Kisangani, Kisangani, Democratic Republic of Congo
| | - Edwino S Fernando
- Department of Forest Biological Sciences, University of the Philippines, Los Baños, Philippines
- Institute of Biology, University of the Philippines-Diliman, Quezon City, Philippines
| | - Rosie Fisher
- CICERO Center for International Climate Research, Oslo, Norwary
| | | | - Robin Foster
- Department of Botany, Field Museum, Chicago, Illinois, USA
| | - Zhanqing Hao
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Terese Hart
- Tshuapa-Lomami-Lualaba Project (TL2), Lukuru Wildlife Research Foundation, Kinshasa, Democratic Republic of Congo
| | - Chang-Fu Hsieh
- Institute of Ecology and Evolutionary Biology, National Taiwan University, Taipei, Taiwan
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, USA
- Smithsonian Tropical Research Institute, Panama City, Panama
| | - Akira Itoh
- Graduate School of Science, Osaka City University, Osaka, Japan
| | - David Kenfack
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Smithsonian Tropical Research Institute, Washington DC, USA
| | - Charles D Koven
- Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Andrew J Larson
- Department of Forest Management and Wilderness Institute, W.A. Franke College of Forestry and Conservation, University of Montana, Missoula, Montana, USA
| | - James A Lutz
- Wildland Resources Department, Utah State University, Logan, Utah, USA
| | - William McShea
- Smithsonian Conservation Biology Institute, Front Royal, Virginia, USA
| | - Jean-Remy Makana
- Faculty of Sciences, Department of Plant Ecology & Natural Resources Management, University of Kisangani, Kisangani, Democratic Republic of Congo
| | - Yadvinder Malhi
- School of Geography and the Environment, University of Oxford, Oxford, UK
| | | | | | | | - Natalia Norden
- Programa de Ciencias Básicas de la Biodiversidad, Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Bogotá, Colombia
| | - Geoffrey Parker
- Smithsonian Environmental Research Center, Edgewater, Maryland, USA
| | - Ankur Shringi
- Centre for Ecological Sciences, Indian Institute of Science, Bangalore, Karnataka, India
| | - Raman Sukumar
- Centre for Ecological Sciences, Indian Institute of Science, Bangalore, Karnataka, India
- Divecha Center for Climate Change, Indian Institute of Science, Bangalore, Karnataka, India
| | - Hebbalalu S Suresh
- Centre for Ecological Sciences, Indian Institute of Science, Bangalore, Karnataka, India
- Divecha Center for Climate Change, Indian Institute of Science, Bangalore, Karnataka, India
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien, Taiwan
| | - Sylvester Tan
- Sarawak Forestry Department, Kuching, Sarawak, Malaysia
| | - Duncan W Thomas
- School of Biological Sciences, Washington State University, Vancouver, Washington, USA
| | - Jill Thompson
- UK Centre for Ecology & Hydrology, Bush Estate, Penicuik, Midlothian, UK
| | - Maria Uriarte
- Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, New York, USA
| | - Renato Valencia
- Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Tze Leong Yao
- Forest Research Institute Malaysia, Kepong, Selangor, Malaysia
| | | | - Zuoqiang Yuan
- Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
| | - Hu Yuehua
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Jess K Zimmerman
- Department of Environmental Sciences, University of Puerto Rico, Río Piedras, Puerto Rico
| | - Daniel Zuleta
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Smithsonian Tropical Research Institute, Washington DC, USA
| | - Sean M McMahon
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Smithsonian Environmental Research Center, Edgewater, Maryland, USA
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40
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Zimmerman DM, Mitchell SL, Wolf TM, Deere JR, Noheri JB, Takahashi E, Cranfield MR, Travis DA, Hassell JM. Great ape health watch: Enhancing surveillance for emerging infectious diseases in great apes. Am J Primatol 2022; 84:e23379. [PMID: 35389523 DOI: 10.1002/ajp.23379] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/24/2022] [Accepted: 03/12/2022] [Indexed: 12/27/2022]
Abstract
Infectious diseases have the potential to extirpate populations of great apes. As the interface between humans and great apes expands, zoonoses pose an increasingly severe threat to already endangered great ape populations. Despite recognition of the threat posed by human pathogens to great apes, health monitoring is only conducted for a small fraction of the world's wild great apes (and mostly those that are habituated) meaning that outbreaks of disease often go unrecognized and therefore unmitigated. This lack of surveillance (even in sites where capacity to conduct surveillance is present) is the most significant limiting factor in our ability to quickly detect and respond to emerging infectious diseases in great apes when they first appear. Accordingly, we must create a surveillance system that links disease outbreaks in humans and great apes in time and space, and enables veterinarians, clinicians, conservation managers, national decision makers, and the global health community to respond quickly to these events. Here, we review existing great ape health surveillance programs in African range habitats to identify successes, gaps, and challenges. We use these findings to argue that standardization of surveillance across sites and geographic scales, that monitors primate health in real-time and generates early warnings of disease outbreaks, is an efficient, low-cost step to conserve great ape populations. Such a surveillance program, which we call "Great Ape Health Watch" would lead to long-term improvements in outbreak preparedness, prevention, detection, and response, while generating valuable data for epidemiological research and sustainable conservation planning. Standardized monitoring of great apes would also make it easier to integrate with human surveillance activities. This approach would empower local stakeholders to link wildlife and human health, allowing for near real-time, bidirectional surveillance at the great ape-human interface.
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Affiliation(s)
- Dawn M Zimmerman
- Global Health Program, Smithsonian Conservation Biology Institute, Washington, District of Columbia, USA.,School of Public Health, Yale University, New Haven, Connecticut, USA.,Technical Advisory Board, Gorilla Doctors, Musanze, Rwanda
| | - Stephanie L Mitchell
- Global Health Program, Smithsonian Conservation Biology Institute, Washington, District of Columbia, USA
| | - Tiffany M Wolf
- Veterinary Population Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Jessica R Deere
- Veterinary Population Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | | | | | - Michael R Cranfield
- Technical Advisory Board, Gorilla Doctors, Musanze, Rwanda.,Mountain Gorilla Veterinary Project, Baltimore, Maryland, USA
| | - Dominic A Travis
- Technical Advisory Board, Gorilla Doctors, Musanze, Rwanda.,Veterinary Population Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - James M Hassell
- Global Health Program, Smithsonian Conservation Biology Institute, Washington, District of Columbia, USA.,School of Public Health, Yale University, New Haven, Connecticut, USA
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41
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Assessment of Species Composition and Community Structure of the Suburban Forest in Hangzhou, Eastern China. SUSTAINABILITY 2022. [DOI: 10.3390/su14074304] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The forest community structure and dynamic structure provide basic data for in-depth study of the community maintenance mechanisms and succession processes of urban forest ecosystems. Moreover, the study on the dynamics of suburban forest communities can provide a reference for the succession process of forest communities under severe human disturbance. In this context, this study analyzes the species composition and community structure of a 6 ha subtropical secondary evergreen broad-leaved forest plot in Wuchaoshan National Forest Park, Hangzhou, Eastern China. There are 36,757 existing woody plants (with DBH ≥ 1 cm), belonging to 94 species (45 evergreen species, and 48 deciduous species) in 63 genera of 34 families, with a plant density of 6126 plants/ha. The overall size–class distribution shows an obvious inverted “J” shape. Species with the top-five important values in the sample are Schima superba, Camellia fraternal, Symplocos anomala, Cyclobalanopsis glauca, Eurya rubiginosa, accounting for 57.3% of all individuals within the sample. In addition, different species have different habitat preferences and different distribution areas. The Wuchaoshan forest is in the middle and late stages of the succession. Different interference histories in the community succession process are demonstrated through studies of secondary evergreen broad-leaved forests. Long-term community monitoring contributes to indicating the direction and potential of the secondary forest succession.
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42
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Lamarre GPA, Pardikes NA, Segar S, Hackforth CN, Laguerre M, Vincent B, Lopez Y, Perez F, Bobadilla R, Silva JAR, Basset Y. More winners than losers over 12 years of monitoring tiger moths (Erebidae: Arctiinae) on Barro Colorado Island, Panama. Biol Lett 2022; 18:20210519. [PMID: 35382585 PMCID: PMC8984363 DOI: 10.1098/rsbl.2021.0519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 03/07/2022] [Indexed: 01/06/2023] Open
Abstract
Understanding the causes and consequences of insect declines has become an important goal in ecology, particularly in the tropics, where most terrestrial diversity exists. Over the past 12 years, the ForestGEO Arthropod Initiative has systematically monitored multiple insect groups on Barro Colorado Island (BCI), Panama, providing baseline data for assessing long-term population trends. Here, we estimate the rates of change in abundance among 96 tiger moth species on BCI. Population trends of most species were stable (n = 20) or increasing (n = 62), with few (n = 14) declining species. Our analysis of morphological and climatic sensitivity traits associated with population trends shows that species-specific responses to climate were most strongly linked with trends. Specifically, tiger moth species that are more abundant in warmer and wetter years are more likely to show population increases. Our study contrasts with recent findings indicating insect decline in tropical and temperate regions. These results highlight the significant role of biotic responses to climate in determining long-term population trends and suggest that future climate changes are likely to impact tropical insect communities.
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Affiliation(s)
- Greg P. A. Lamarre
- Department of Ecology, Institute of Entomology, Biology Centre, Czech Academy of Sciences, Ceske Budejovice 37005, Czech Republic
- Faculty of Sciences, University of South Bohemia, Ceske Budejovice, Czech Republic
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá City, Republic of Panamá
| | - Nicholas A. Pardikes
- Department of Ecology, Institute of Entomology, Biology Centre, Czech Academy of Sciences, Ceske Budejovice 37005, Czech Republic
- Department of Life and Earth Sciences, Perimeter College, Georgia State University, Atlanta, USA
| | - Simon Segar
- Agriculture and Environment Department, Harper Adams University, Newport, Shropshire TF10 8NB, UK
| | - Charles N. Hackforth
- Department of Geography, University College London, Gower Street, London WC1E 6BT, UK
| | - Michel Laguerre
- Muséum National d'Histoire Naturelle, Département Systématique et Évolution, Entomologie, 57 rue Cuvier, Paris, France
| | - Benoît Vincent
- Muséum National d'Histoire Naturelle, Département Systématique et Évolution, Entomologie, 57 rue Cuvier, Paris, France
| | - Yacksecari Lopez
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá City, Republic of Panamá
| | - Filonila Perez
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá City, Republic of Panamá
| | - Ricardo Bobadilla
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá City, Republic of Panamá
| | - José Alejandro Ramírez Silva
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá City, Republic of Panamá
| | - Yves Basset
- Department of Ecology, Institute of Entomology, Biology Centre, Czech Academy of Sciences, Ceske Budejovice 37005, Czech Republic
- Faculty of Sciences, University of South Bohemia, Ceske Budejovice, Czech Republic
- ForestGEO, Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panamá City, Republic of Panamá
- Maestria de Entomologia, Universidad de Panamá, Apartado 3366, Panamá 4, Panamá
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43
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Donoso DA, Basset Y, Shik JZ, Forrister DL, Uquillas A, Salazar-Méndez Y, Arizala S, Polanco P, Beckett S, Dominguez G. D, Barrios H. Male ant reproductive investment in a seasonal wet tropical forest: Consequences of future climate change. PLoS One 2022; 17:e0266222. [PMID: 35358265 PMCID: PMC8970379 DOI: 10.1371/journal.pone.0266222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 03/16/2022] [Indexed: 11/29/2022] Open
Abstract
Tropical forests sustain many ant species whose mating events often involve conspicuous flying swarms of winged gynes and males. The success of these reproductive flights depends on environmental variables and determines the maintenance of local ant diversity. However, we lack a strong understanding of the role of environmental variables in shaping the phenology of these flights. Using a combination of community-level analyses and a time-series model on male abundance, we studied male ant phenology in a seasonally wet lowland rainforest in the Panama Canal. The male flights of 161 ant species, sampled with 10 Malaise traps during 58 consecutive weeks (from August 2014 to September 2015), varied widely in number (mean = 9.8 weeks, median = 4, range = 1 to 58). Those species abundant enough for analysis (n = 97) flew mainly towards the end of the dry season and at the start of the rainy season. While litterfall, rain, temperature, and air humidity explained community composition, the time-series model estimators elucidated more complex patterns of reproductive investment across the entire year. For example, male abundance increased in weeks when maximum daily temperature increased and in wet weeks during the dry season. On the contrary, male abundance decreased in periods when rain receded (e.g., at the start of the dry season), in periods when rain fell daily (e.g., right after the beginning of the wet season), or when there was an increase in the short-term rate of litterfall (e.g., at the end of the dry season). Together, these results suggest that the BCI ant community is adapted to the dry/wet transition as the best timing of reproductive investment. We hypothesize that current climate change scenarios for tropical regions with higher average temperature, but lower rainfall, may generate phenological mismatches between reproductive flights and the adequate conditions needed for a successful start of the colony.
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Affiliation(s)
- David A. Donoso
- Departamento de Biología, Facultad de Ciencias, Escuela Politécnica Nacional, Quito, Ecuador
- * E-mail:
| | - Yves Basset
- ForestGEO, Smithsonian Tropical Research Institute, Balboa, Ancon, Panamá
- Faculty of Science, University of South Bohemia, Ceske Budejovice, Czech Republic
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czech Republic
- Maestría de Entomología, Universidad de Panamá, Panama City, Panamá
| | - Jonathan Z. Shik
- Department of Biology, Centre for Social Evolution, University of Copenhagen, Copenhagen, Denmark
- Smithsonian Tropical Research Institute, Balboa, Ancon, Republic of Panama
| | - Dale L. Forrister
- School of Biological Sciences, University of Utah, Salt Lake City, UT, United States of America
| | - Adriana Uquillas
- Departamento de Matemáticas, Facultad de Ciencias, Escuela Politécnica Nacional, Quito, Ecuador
| | - Yasmín Salazar-Méndez
- Departamento de Economía Cuantitativa, Facultad de Ciencias, Escuela Politécnica Nacional, Quito, Ecuador
| | - Stephany Arizala
- Smithsonian Tropical Research Institute, Balboa, Ancon, Republic of Panama
- Instituto de Biologia, Universidade Estadual de Campinas, (PG-IB/ UNICAMP), Campinas, SP, Brazil
| | - Pamela Polanco
- Maestría de Entomología, Universidad de Panamá, Panama City, Panamá
| | - Saul Beckett
- ForestGEO, Smithsonian Tropical Research Institute, Balboa, Ancon, Panamá
| | - Diego Dominguez G.
- Departamento de Biología, Facultad de Ciencias, Escuela Politécnica Nacional, Quito, Ecuador
- Departamento de Ciencias Naturales, Universidad Técnica Particular de Loja, Loja, Ecuador
| | - Héctor Barrios
- Maestría de Entomología, Universidad de Panamá, Panama City, Panamá
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Fast-decaying plant litter enhances soil carbon in temperate forests but not through microbial physiological traits. Nat Commun 2022; 13:1229. [PMID: 35264580 PMCID: PMC8907208 DOI: 10.1038/s41467-022-28715-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 01/28/2022] [Indexed: 01/13/2023] Open
Abstract
Conceptual and empirical advances in soil biogeochemistry have challenged long-held assumptions about the role of soil micro-organisms in soil organic carbon (SOC) dynamics; yet, rigorous tests of emerging concepts remain sparse. Recent hypotheses suggest that microbial necromass production links plant inputs to SOC accumulation, with high-quality (i.e., rapidly decomposing) plant litter promoting microbial carbon use efficiency, growth, and turnover leading to more mineral stabilization of necromass. We test this hypothesis experimentally and with observations across six eastern US forests, using stable isotopes to measure microbial traits and SOC dynamics. Here we show, in both studies, that microbial growth, efficiency, and turnover are negatively (not positively) related to mineral-associated SOC. In the experiment, stimulation of microbial growth by high-quality litter enhances SOC decomposition, offsetting the positive effect of litter quality on SOC stabilization. We suggest that microbial necromass production is not the primary driver of SOC persistence in temperate forests. Factors such as microbial necromass origin, alternative SOC formation pathways, priming effects, and soil abiotic properties can strongly decouple microbial growth, efficiency, and turnover from mineral-associated SOC. Mineral-associated soil carbon buildup is poorly explained by microbial necromass production (a common hypothesis). During litter decomposition, these processes are decoupled by priming effects and alternate soil carbon formation pathways
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Ichie T, Igarashi S, Yoshihara R, Takayama K, Kenzo T, Niiyama K, Nur Hajar ZS, Hyodo F, Tayasu I. Verification of the accuracy of the recent 50 years of tree growth and long‐term change in intrinsic water‐use efficiency using xylem Δ
14
C and δ
13
C in trees in an aseasonal tropical rainforest. Methods Ecol Evol 2022. [DOI: 10.1111/2041-210x.13823] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tomoaki Ichie
- Faculty of Agriculture and Marine Science Kochi University Nankoku Japan
| | - Shuichi Igarashi
- Faculty of Agriculture and Marine Science Kochi University Nankoku Japan
| | - Ryo Yoshihara
- Graduate School of Integrated Arts and Sciences Kochi University Nankoku Japan
| | - Kanae Takayama
- Faculty of Agriculture and Marine Science Kochi University Nankoku Japan
| | - Tanaka Kenzo
- Japan International Research Center for Agricultural Sciences Tsukuba Japan
| | - Kaoru Niiyama
- Forestry and Forest Products Research Institute Tsukuba Japan
| | | | - Fujio Hyodo
- Research Core for Interdisciplinary Sciences Okayama University Okayama Japan
| | - Ichiro Tayasu
- Research Institute for Humanity and Nature Kyoto Japan
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46
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Life Stage and Neighborhood-Dependent Survival of Longleaf Pine after Prescribed Fire. FORESTS 2022. [DOI: 10.3390/f13010117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Determining mechanisms of plant establishment in ecological communities can be particularly difficult in disturbance-dominated ecosystems. Longleaf pine (Pinus palustris Mill.) and its associated plant community exemplify systems that evolved with disturbances, where frequent, widespread fires alter the population dynamics of longleaf pine within distinct life stages. We identified the primary biotic and environmental conditions that influence the survival of longleaf pine in this disturbance-dominated ecosystem. We combined data from recruitment surveys, tree censuses, dense lidar point clouds, and a forest-wide prescribed fire to examine the response of longleaf pine individuals to fire and biotic neighborhoods. We found that fire temperatures increased with increasing longleaf pine neighborhood basal area and decreased with higher oak densities. There was considerable variation in longleaf pine survival across life stages, with lowest survival probabilities occurring during the bolt stage and not in the earlier, more fire-resistant grass stage. Survival of grass-stage, bolt-stage, and sapling longleaf pines was negatively associated with basal area of neighboring longleaf pine and positively related to neighboring heterospecific tree density, primarily oaks (Quercus spp.). Our findings highlight the vulnerability of longleaf pine across life stages, which suggests optimal fire management strategies for controlling longleaf pine density, and—more broadly—emphasize the importance of fire in mediating species interactions.
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47
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Fire Impacts on Recruitment Dynamics in a Seasonal Tropical Forest in Continental Southeast Asia. FORESTS 2022. [DOI: 10.3390/f13010116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The effects of forest fires on tree recruitment dynamics in tropical forests is important for predicting forest dynamics and ecosystem function in Southeast Asia. To our knowledge, no studies have examined the effects of fire intensity on community-level recruitment patterns in tropical forests due to the rarity of long-term observation datasets in fire-impacted tropical forests and the difficulty of quantifying fire intensity. We addressed two questions: (1) is tree recruitment among species affected by fire intensity? and if so, (2) are there specific plant functional traits associated with these responses? We used data from a long-term forest dynamics plot at the Huai Kha Khaeng (HKK) Wildlife Sanctuary in Thailand. The HKK plot occurs in a strongly seasonal tropical environment and has experienced several fires since its establishment in 1994. We found 46 tree species (52% of the 89 species analysed) showed evidence of reduced recruitment rates with increasing fire intensities during the most recent fire in 2005. Tree species in this flammable landscape have various leaf and wood functional traits associated with fire. Spatial and temporal variability in fire activity may lead to alterations in long-term taxonomic and functional composition of the forest due to selection on fire-related traits.
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48
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Woods KD, Kern CC. Intermediate disturbances drive long‐term fluctuation in old‐growth forest biomass: an 84‐yr temperate forest record. Ecosphere 2022. [DOI: 10.1002/ecs2.3871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Kerry D. Woods
- Natural Sciences Bennington College Bennington Vermont 05201 USA
| | - Christel C. Kern
- USDA Forest Service Northern Research Station Rhinelander Wisconsin USA
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49
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Orwig DA, Aylward JA, Buckley HL, Case BS, Ellison AM. Land-use history impacts spatial patterns and composition of woody plant species across a 35-hectare temperate forest plot. PeerJ 2022; 10:e12693. [PMID: 35036094 PMCID: PMC8734465 DOI: 10.7717/peerj.12693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 12/06/2021] [Indexed: 01/07/2023] Open
Abstract
Land-use history is the template upon which contemporary plant and tree populations establish and interact with one another and exerts a legacy on the structure and dynamics of species assemblages and ecosystems. We use the first census (2010-2014) of a 35-ha forest-dynamics plot at the Harvard Forest in central Massachusetts to describe the composition and structure of the woody plants in this plot, assess their spatial associations within and among the dominant species using univariate and bivariate spatial point-pattern analysis, and examine the interactions between land-use history and ecological processes. The plot includes 108,632 live stems ≥ 1 cm in diameter (2,215 individuals/ha) and 7,595 standing dead stems ≥ 5 cm in diameter. Live tree basal area averaged 42.25 m2/ha, of which 84% was represented by Tsuga canadensis (14.0 m2/ ha), Quercus rubra (northern red oak; 9.6 m2/ ha), Acer rubrum (7.2 m2/ ha) and Pinus strobus (eastern white pine; 4.4 m2/ ha). These same four species also comprised 78% of the live aboveground biomass, which averaged 245.2 Mg/ ha. Across all species and size classes, the forest contains a preponderance (> 80,000) of small stems (<10-cm diameter) that exhibit a reverse-J size distribution. Significant spatial clustering of abundant overstory species was observed at all spatial scales examined. Spatial distributions of A. rubrum and Q. rubra showed negative intraspecific correlations in diameters up to at least a 150-m spatial lag, likely indicative of crowding effects in dense forest patches following intensive past land use. Bivariate marked point-pattern analysis, showed that T. canadensis and Q. rubra diameters were negatively associated with one another, indicating resource competition for light. Distribution and abundance of the common overstory species are predicted best by soil type, tree neighborhood effects, and two aspects of land-use history: when fields were abandoned in the late 19th century and the succeeding forest types recorded in 1908. In contrast, a history of intensive logging prior to 1950 and a damaging hurricane in 1938 appear to have had little effect on the distribution and abundance of present-day tree species. Our findings suggest that current day composition and structure are still being influenced by anthropogenic disturbances that occurred over a century ago.
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Affiliation(s)
- David A. Orwig
- Harvard Forest, Harvard University, Petersham, MA, United States of America
| | - Jason A. Aylward
- Harvard Forest, Harvard University, Petersham, MA, United States of America
| | - Hannah L. Buckley
- School of Science, Auckland University of Technology, Auckland, New Zealand
| | - Bradley S. Case
- School of Science, Auckland University of Technology, Auckland, New Zealand
| | - Aaron M. Ellison
- Harvard Forest, Harvard University, Petersham, MA, United States of America,Sound Solutions for Sustainable Science, Boston, MA, United States of America
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Anderson‐Teixeira KJ, Herrmann V, Rollinson CR, Gonzalez B, Gonzalez‐Akre EB, Pederson N, Alexander MR, Allen CD, Alfaro‐Sánchez R, Awada T, Baltzer JL, Baker PJ, Birch JD, Bunyavejchewin S, Cherubini P, Davies SJ, Dow C, Helcoski R, Kašpar J, Lutz JA, Margolis EQ, Maxwell JT, McMahon SM, Piponiot C, Russo SE, Šamonil P, Sniderhan AE, Tepley AJ, Vašíčková I, Vlam M, Zuidema PA. Joint effects of climate, tree size, and year on annual tree growth derived from tree-ring records of ten globally distributed forests. GLOBAL CHANGE BIOLOGY 2022; 28:245-266. [PMID: 34653296 PMCID: PMC9298236 DOI: 10.1111/gcb.15934] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 05/28/2023]
Abstract
Tree rings provide an invaluable long-term record for understanding how climate and other drivers shape tree growth and forest productivity. However, conventional tree-ring analysis methods were not designed to simultaneously test effects of climate, tree size, and other drivers on individual growth. This has limited the potential to test ecologically relevant hypotheses on tree growth sensitivity to environmental drivers and their interactions with tree size. Here, we develop and apply a new method to simultaneously model nonlinear effects of primary climate drivers, reconstructed tree diameter at breast height (DBH), and calendar year in generalized least squares models that account for the temporal autocorrelation inherent to each individual tree's growth. We analyze data from 3811 trees representing 40 species at 10 globally distributed sites, showing that precipitation, temperature, DBH, and calendar year have additively, and often interactively, influenced annual growth over the past 120 years. Growth responses were predominantly positive to precipitation (usually over ≥3-month seasonal windows) and negative to temperature (usually maximum temperature, over ≤3-month seasonal windows), with concave-down responses in 63% of relationships. Climate sensitivity commonly varied with DBH (45% of cases tested), with larger trees usually more sensitive. Trends in ring width at small DBH were linked to the light environment under which trees established, but basal area or biomass increments consistently reached maxima at intermediate DBH. Accounting for climate and DBH, growth rate declined over time for 92% of species in secondary or disturbed stands, whereas growth trends were mixed in older forests. These trends were largely attributable to stand dynamics as cohorts and stands age, which remain challenging to disentangle from global change drivers. By providing a parsimonious approach for characterizing multiple interacting drivers of tree growth, our method reveals a more complete picture of the factors influencing growth than has previously been possible.
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Affiliation(s)
- Kristina J. Anderson‐Teixeira
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
- Forest Global Earth ObservatorySmithsonian Tropical Research InstitutePanamaRepublic of Panama
| | - Valentine Herrmann
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
| | | | - Bianca Gonzalez
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
| | - Erika B. Gonzalez‐Akre
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
| | | | - M. Ross Alexander
- Midwest Dendro LLCNapervilleIllinoisUSA
- Present address:
Decision and Infrastructure SciencesArgonne National LaboratoryLamontIllinoisUSA
| | - Craig D. Allen
- Department of Geography & Environmental StudiesUniversity of New MexicoAlbuquerqueNew MexicoUSA
| | | | - Tala Awada
- School of Natural ResourcesUniversity of Nebraska‐LincolnLincolnNebraskaUSA
| | | | - Patrick J. Baker
- School of Ecosystem and Forest SciencesUniversity of MelbourneRichmondVIC.Australia
| | | | | | - Paolo Cherubini
- Swiss Federal Institute for Forest, Snow and Landscape ResearchBirmensdorfSwitzerland
- Faculty of ForestryUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Stuart J. Davies
- Forest Global Earth ObservatorySmithsonian Tropical Research InstitutePanamaRepublic of Panama
| | - Cameron Dow
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
- Department of Forestry and Natural ResourcesPurdue UniversityWest LafayetteIndianaUSA
| | - Ryan Helcoski
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
| | - Jakub Kašpar
- Department of Forest EcologyThe Silva Tarouca Research Institute for Landscape and Ornamental GardeningBrnoCzech Republic
| | - James A. Lutz
- S. J. & Jessie E. Quinney College of Natural Resources and the Ecology CenterUtah State UniversityLoganUtahUSA
| | - Ellis Q. Margolis
- Fort Collins Science CenterU.S. Geological SurveyNew Mexico Landscapes Field StationLos AlamosNew MexicoUSA
| | | | - Sean M. McMahon
- Forest Global Earth ObservatorySmithsonian Tropical Research InstitutePanamaRepublic of Panama
- Smithsonian Environmental Research CenterEdgewaterMarylandUSA
| | - Camille Piponiot
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
- Forest Global Earth ObservatorySmithsonian Tropical Research InstitutePanamaRepublic of Panama
- CIRADMontpellierFrance
| | - Sabrina E. Russo
- School of Biological SciencesUniversity of NebraskaLincolnUSA
- Center for Plant Science InnovationUniversity of NebraskaLincolnUSA
| | - Pavel Šamonil
- Department of Forest EcologyThe Silva Tarouca Research Institute for Landscape and Ornamental GardeningBrnoCzech Republic
| | | | - Alan J. Tepley
- Conservation Ecology CenterSmithsonian Conservation Biology InstituteFront RoyalVirginiaUSA
- Canadian Forest ServiceNorthern Forestry CentreEdmontonAlbertaCanada
| | - Ivana Vašíčková
- Department of Forest EcologyThe Silva Tarouca Research Institute for Landscape and Ornamental GardeningBrnoCzech Republic
| | - Mart Vlam
- Forest Ecology and Forest Management GroupWageningenThe Netherlands
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