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van Tiel N, Fopp F, Brun P, van den Hoogen J, Karger DN, Casadei CM, Lyu L, Tuia D, Zimmermann NE, Crowther TW, Pellissier L. Regional uniqueness of tree species composition and response to forest loss and climate change. Nat Commun 2024; 15:4375. [PMID: 38821947 PMCID: PMC11143270 DOI: 10.1038/s41467-024-48276-3] [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: 06/16/2023] [Accepted: 04/26/2024] [Indexed: 06/02/2024] Open
Abstract
The conservation and restoration of forest ecosystems require detailed knowledge of the native plant compositions. Here, we map global forest tree composition and assess the impacts of historical forest cover loss and climate change on trees. The global occupancy of 10,590 tree species reveals complex taxonomic and phylogenetic gradients determining a local signature of tree lineage assembly. Species occupancy analyses indicate that historical forest loss has significantly restricted the potential suitable range of tree species in all forest biomes. Nevertheless, tropical moist and boreal forest biomes display the lowest level of range restriction and harbor extremely large ranged tree species, albeit with a stark contrast in richness and composition. Climate change simulations indicate that forest biomes are projected to differ in their response to climate change, with the highest predicted species loss in tropical dry and Mediterranean ecoregions. Our findings highlight the need for preserving the remaining large forest biomes while regenerating degraded forests in a way that provides resilience against climate change.
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Affiliation(s)
- Nina van Tiel
- Global Ecosystem Ecology, Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland.
- Environmental Computational Science and Earth Observation Laboratory, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
| | - Fabian Fopp
- Ecosystems and Landscape Evolution, Institute of Terrestrial Ecosystems, Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland
- Land Change Science Research Unit, Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, Birmensdorf, Switzerland
| | - Philipp Brun
- Land Change Science Research Unit, Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, Birmensdorf, Switzerland
| | - Johan van den Hoogen
- Global Ecosystem Ecology, Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland
| | - Dirk Nikolaus Karger
- Biodiversity and Conservation Biology, Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, Birmensdorf, Switzerland
| | - Cecilia M Casadei
- Laboratory of Biomolecular Research, Biology and Chemistry Division, Paul Scherrer Institute, PSI, Villigen, Switzerland
- Institute of Molecular Biology and Biophysics, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Lisha Lyu
- Ecosystems and Landscape Evolution, Institute of Terrestrial Ecosystems, Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland
- Land Change Science Research Unit, Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, Birmensdorf, Switzerland
| | - Devis Tuia
- Environmental Computational Science and Earth Observation Laboratory, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Niklaus E Zimmermann
- Land Change Science Research Unit, Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, Birmensdorf, Switzerland
| | - Thomas W Crowther
- Global Ecosystem Ecology, Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland
| | - Loïc Pellissier
- Ecosystems and Landscape Evolution, Institute of Terrestrial Ecosystems, Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland
- Land Change Science Research Unit, Swiss Federal Institute for Forest, Snow and Landscape Research, WSL, Birmensdorf, Switzerland
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2
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Dagallier LPMJ, Condamine FL, Couvreur TLP. Sequential diversification with Miocene extinction and Pliocene speciation linked to mountain uplift explains the diversity of the African rain forest clade Monodoreae (Annonaceae). ANNALS OF BOTANY 2024; 133:677-696. [PMID: 37659091 PMCID: PMC11082524 DOI: 10.1093/aob/mcad130] [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: 04/28/2023] [Accepted: 08/29/2023] [Indexed: 09/04/2023]
Abstract
BACKGROUND AND AIMS Throughout the Cenozoic, Africa underwent several climatic and geological changes impacting the evolution of tropical rain forests (TRFs). African TRFs are thought to have extended from east to west in a 'pan-African' TRF, followed by several events of fragmentation during drier climate periods. During the Miocene, climate cooling and mountain uplift led to the aridification of tropical Africa and open habitats expanded at the expense of TRFs, which probably experienced local extinctions. However, in plants, these drivers were previously inferred using limited taxonomic and molecular data. Here, we tested the impact of climate and geological changes on diversification within the diverse clade Monodoreae (Annonaceae) composed of 90 tree species restricted to African TRFs. METHODS We reconstructed a near-complete phylogenetic tree, based on 32 nuclear genes, and dated using relaxed clocks and fossil calibrations in a Bayesian framework. We inferred the biogeographical history and the diversification dynamics of the clade using multiple birth-death models. KEY RESULTS Monodoreae originated in East African TRFs ~25 million years ago (Ma) and expanded toward Central Africa during the Miocene. We inferred range contractions during the middle Miocene and document important connections between East and West African TRFs after 15-13 Ma. Our results indicated a sudden extinction event during the late Miocene, followed by an increase in speciation rates. Birth-death models suggested that African elevation change (orogeny) is positively linked to speciation in this clade. CONCLUSION East Africa is inferred as an important source of Monodoreae species, and possibly for African plant diversity in general. Our results support a 'sequential scenario of diversification' in which increased aridification triggered extinction of TRF species in Monodoreae. This was quickly followed by fragmentation of rain forests, subsequently enhancing lagged speciation resulting from vicariance and improved climate conditions. In contrast to previous ideas, the uplift of East Africa is shown to have played a positive role in Monodoreae diversification.
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Affiliation(s)
- Léo-Paul M J Dagallier
- DIADE, Université de Montpellier, IRD, CIRAD, Montpellier, France
- Institute of Systematic Botany, The New York Botanical Garden, Bronx, NY 10458, USA
| | - Fabien L Condamine
- CNRS, Institut des Sciences de l’Evolution de Montpellier (Université de Montpellier), Place Eugène Bataillon, 34095 Montpellier, France
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3
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Jinga P, Manyangadze T. Variable intraspecific response to climate change in a medicinally important African tree species, Vachellia sieberiana (DC.) (paperbark thorn). Ecol Evol 2024; 14:e11314. [PMID: 38694755 PMCID: PMC11056962 DOI: 10.1002/ece3.11314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 01/24/2024] [Accepted: 04/09/2024] [Indexed: 05/04/2024] Open
Abstract
Climate change is predicted to disproportionately impact sub-Saharan Africa, with potential devastating consequences on plant populations. Climate change may, however, impact intraspecific taxa differently. The aim of the study was to determine the current distribution and impact of climate change on three varieties of Vachellia sieberiana, that is, var. sieberiana, var. villosa and var. woodii. Ensemble species distribution models (SDMs) were built in "biomod2" using 66, 45, and 137 occurrence records for var. sieberiana, var. villosa, and var. woodii, respectively. The ensemble SDMs were projected to 2041-2060 and 2081-2100 under three general circulation models (GCMs) and two shared socioeconomic pathways (SSPs). The three GCMs were the Canadian Earth System Model version 5, the Institut Pierre-Simon Laplace Climate Model version 6A Low Resolution, and the Model for Interdisciplinary Research on Climate version 6. The suitable habitat of var. sieberiana predominantly occurs in the Sudanian and Zambezian phytochoria while that of var. villosa largely occurs in the Sudanian phytochorion. The suitable habitat of var. woodii mainly occurs in the Zambezian phyotochorion. There is coexistence of var. villosa and var. sieberiana in the Sudanian phytochorion while var. sieberiana and var. woodii coexist in the Zambezian phytochorion. Under SSP2-4.5 in 2041-2060 and averaged across the three GCMs, the suitable habitat expanded by 33.8% and 119.7% for var. sieberiana and var. villosa, respectively. In contrast, the suitable habitat of var. woodii contracted by -8.4%. Similar trends were observed in 2041-2060 under SSP5-8.5 [var. sieberiana (38.6%), var. villosa (139.0%), and var. woodii (-10.4%)], in 2081-2100 under SSP2-4.5 [var. sieberiana (4.6%), var. villosa (153.4%), and var. woodii (-14.4%)], and in 2081-2100 under SSP5-8.5 [var. sieberiana (49.3%), var. villosa (233.4%), and var. woodii (-30.7%)]. Different responses to climate change call for unique management and conservation decisions for the varieties.
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Affiliation(s)
- Percy Jinga
- Biological Sciences DepartmentBindura University of Science EducationBinduraZimbabwe
| | - Tawanda Manyangadze
- Geosciences DepartmentBindura University of Science EducationBinduraZimbabwe
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4
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Pérez-Escobar OA, Bogarín D, Przelomska NAS, Ackerman JD, Balbuena JA, Bellot S, Bühlmann RP, Cabrera B, Cano JA, Charitonidou M, Chomicki G, Clements MA, Cribb P, Fernández M, Flanagan NS, Gravendeel B, Hágsater E, Halley JM, Hu AQ, Jaramillo C, Mauad AV, Maurin O, Müntz R, Leitch IJ, Li L, Negrão R, Oses L, Phillips C, Rincon M, Salazar GA, Simpson L, Smidt E, Solano-Gomez R, Parra-Sánchez E, Tremblay RL, van den Berg C, Tamayo BSV, Zuluaga A, Zuntini AR, Chase MW, Fay MF, Condamine FL, Forest F, Nargar K, Renner SS, Baker WJ, Antonelli A. The origin and speciation of orchids. THE NEW PHYTOLOGIST 2024; 242:700-716. [PMID: 38382573 DOI: 10.1111/nph.19580] [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: 09/04/2023] [Accepted: 12/04/2023] [Indexed: 02/23/2024]
Abstract
Orchids constitute one of the most spectacular radiations of flowering plants. However, their origin, spread across the globe, and hotspots of speciation remain uncertain due to the lack of an up-to-date phylogeographic analysis. We present a new Orchidaceae phylogeny based on combined high-throughput and Sanger sequencing data, covering all five subfamilies, 17/22 tribes, 40/49 subtribes, 285/736 genera, and c. 7% (1921) of the 29 524 accepted species, and use it to infer geographic range evolution, diversity, and speciation patterns by adding curated geographical distributions from the World Checklist of Vascular Plants. The orchids' most recent common ancestor is inferred to have lived in Late Cretaceous Laurasia. The modern range of Apostasioideae, which comprises two genera with 16 species from India to northern Australia, is interpreted as relictual, similar to that of numerous other groups that went extinct at higher latitudes following the global climate cooling during the Oligocene. Despite their ancient origin, modern orchid species diversity mainly originated over the last 5 Ma, with the highest speciation rates in Panama and Costa Rica. These results alter our understanding of the geographic origin of orchids, previously proposed as Australian, and pinpoint Central America as a region of recent, explosive speciation.
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Affiliation(s)
| | - Diego Bogarín
- Lankester Botanical Garden, University of Costa Rica, P.O. Box 302-7050, Cartago, Costa Rica
- Naturalis Biodiversity Centre, Leiden, CR 2333, the Netherlands
| | - Natalia A S Przelomska
- Royal Botanic Gardens, Kew, London, TW9 3AE, UK
- University of Portsmouth, Portsmouth, PO1 2DY, UK
| | - James D Ackerman
- University of Puerto Rico - Rio Piedras, San Juan, PR, 00925-2537, USA
| | | | | | | | - Betsaida Cabrera
- Jardín Botánico Rafael Maria Moscoso, Santo Domingo, 21-9, Dominican Republic
| | | | | | | | - Mark A Clements
- Centre for Australian National Biodiversity Research (joint venture between Parks Australia and CSIRO), GPO Box 1700, Canberra, ACT, 2601, Australia
| | | | - Melania Fernández
- Lankester Botanical Garden, University of Costa Rica, P.O. Box 302-7050, Cartago, Costa Rica
| | - Nicola S Flanagan
- Universidad Pontificia Javeriana, Seccional Cali, Cali, 760031, Colombia
| | | | | | | | - Ai-Qun Hu
- Singapore Botanic Gardens, 1 Cluny Road, Singapore, 257494, Singapore
| | - Carlos Jaramillo
- Smithsonian Tropical Research Institute, Apartado, Panama City, 0843-03092, Panama
| | | | | | - Robert Müntz
- Reserva Biológica Guaitil, Eisenstadt, 7000, Austria
| | | | - Lan Li
- National Research Collections Australia, Commonwealth Industrial and Scientific Research Organisation (CSIRO), GPO Box 1700, Canberra, ACT, 2601, Australia
| | | | - Lizbeth Oses
- Lankester Botanical Garden, University of Costa Rica, P.O. Box 302-7050, Cartago, Costa Rica
| | - Charlotte Phillips
- Royal Botanic Gardens, Kew, London, TW9 3AE, UK
- University of Portsmouth, Portsmouth, PO1 2DY, UK
| | - Milton Rincon
- Jardín Botánico Jose Celestino Mutis, Bogota, 111071, Colombia
| | | | - Lalita Simpson
- Australian Tropical Herbarium, James Cook University, GPO Box 6811, Cairns, Qld, 4878, Australia
| | - Eric Smidt
- Universidade Federal do Paraná, Curitiba, 19031, Brazil
| | | | | | | | - Cassio van den Berg
- Universidade Estadual de Feira de Santana, Feira de Santana, 44036-900, Brazil
| | | | | | | | - Mark W Chase
- Royal Botanic Gardens, Kew, London, TW9 3AE, UK
- Department of Environment and Agriculture, Curtin University, Perth, WA, 6102, Australia
| | | | - Fabien L Condamine
- Institut des Sciences de l'Evolution de Montpellier (Université de Montpellier|CNRS|IRD|EPHE), Place Eugène Bataillon, Montpellier, 34000, France
| | | | - Katharina Nargar
- National Research Collections Australia, Commonwealth Industrial and Scientific Research Organisation (CSIRO), GPO Box 1700, Canberra, ACT, 2601, Australia
- Australian Tropical Herbarium, James Cook University, GPO Box 6811, Cairns, Qld, 4878, Australia
- Scientific Research Organisation (CSIRO), GPO Box 1700, Canberra, ACT, 2601, Australia
| | | | | | - Alexandre Antonelli
- Royal Botanic Gardens, Kew, London, TW9 3AE, UK
- Department of Biological and Environmental Sciences, Gothenburg Global Biodiversity Centre, Gothenburg, 417 56, Sweden
- University of Gothenburg, Gothenburg, 417 56, Sweden
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
- Department of Biology, University of Oxford, Oxford, OX1 3SZ, UK
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5
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Liu Y, Wang Y, Willett SD, Zimmermann NE, Pellissier L. Escarpment evolution drives the diversification of the Madagascar flora. Science 2024; 383:653-658. [PMID: 38330102 DOI: 10.1126/science.adi0833] [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: 04/14/2023] [Accepted: 01/04/2024] [Indexed: 02/10/2024]
Abstract
Madagascar exhibits high endemic biodiversity that has evolved with sustained and stable rates of speciation over the past several tens of millions of years. The topography of Madagascar is dominated by a mountainous continental rift escarpment, with the highest plant diversity and rarity found along the steep, eastern side of this geographic feature. Using a process-explicit model, we show that precipitation-driven erosion and landward retreat of this high-relief topography creates transient habitat organization through multiple mechanisms, including catchment expansion, isolation of highland remnants, and formation of topographic barriers. Habitat isolation and reconnection on a million-year timescale serves as an allopatric speciation pump creating the observed biodiversity.
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Affiliation(s)
- Yi Liu
- Swiss Federal Research Institute (WSL), 8903 Birmensdorf, Switzerland
- Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
| | - Yanyan Wang
- Department of Earth Sciences, ETH Zürich, 8092 Zürich, Switzerland
| | - Sean D Willett
- Department of Earth Sciences, ETH Zürich, 8092 Zürich, Switzerland
| | - Niklaus E Zimmermann
- Swiss Federal Research Institute (WSL), 8903 Birmensdorf, Switzerland
- Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
| | - Loïc Pellissier
- Swiss Federal Research Institute (WSL), 8903 Birmensdorf, Switzerland
- Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
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6
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Boonman CCF, Serra-Diaz JM, Hoeks S, Guo WY, Enquist BJ, Maitner B, Malhi Y, Merow C, Buitenwerf R, Svenning JC. More than 17,000 tree species are at risk from rapid global change. Nat Commun 2024; 15:166. [PMID: 38167693 PMCID: PMC10761716 DOI: 10.1038/s41467-023-44321-9] [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: 06/16/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024] Open
Abstract
Trees are pivotal to global biodiversity and nature's contributions to people, yet accelerating global changes threaten global tree diversity, making accurate species extinction risk assessments necessary. To identify species that require expert-based re-evaluation, we assess exposure to change in six anthropogenic threats over the last two decades for 32,090 tree species. We estimated that over half (54.2%) of the assessed species have been exposed to increasing threats. Only 8.7% of these species are considered threatened by the IUCN Red List, whereas they include more than half of the Data Deficient species (57.8%). These findings suggest a substantial underestimation of threats and associated extinction risk for tree species in current assessments. We also map hotspots of tree species exposed to rapidly changing threats around the world. Our data-driven approach can strengthen the efforts going into expert-based IUCN Red List assessments by facilitating prioritization among species for re-evaluation, allowing for more efficient conservation efforts.
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Affiliation(s)
- Coline C F Boonman
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, Aarhus, Denmark.
| | - Josep M Serra-Diaz
- Department of Ecology and Evolution and Eversource Energy Center, University of Connecticut, Storrs, CT, USA
- Université de Lorraine, AgroParisTech, INRAE, Silva, Nancy, France
| | - Selwyn Hoeks
- Department of Environmental Science, Radboud Institute for Biological and Environmental Sciences (RIBES), Radboud University, Nijmegen, The Netherlands
| | - Wen-Yong Guo
- Research Center for Global Change and Complex Ecosystems, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, People's Republic of China
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, People's Republic of China
| | - Brian J Enquist
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
| | - Brian Maitner
- Department of Geography, University at Buffalo, Buffalo, NY, USA
| | - Yadvinder Malhi
- Environmental Change Institute, School of Geography and the Environment, University of Oxford, South Parks Road, Oxford, OX1 3QY, England, UK
- Leverhulme Centre for Nature Recovery, University of Oxford, Oxford, UK
| | - Cory Merow
- Department of Ecology and Evolution and Eversource Energy Center, University of Connecticut, Storrs, CT, USA
| | - Robert Buitenwerf
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, Aarhus, Denmark
| | - Jens-Christian Svenning
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, Aarhus, Denmark
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Poppenwimer T, Mayrose I, DeMalach N. Revising the global biogeography of annual and perennial plants. Nature 2023; 624:109-114. [PMID: 37938778 PMCID: PMC10830411 DOI: 10.1038/s41586-023-06644-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 09/14/2023] [Indexed: 11/09/2023]
Abstract
There are two main life cycles in plants-annual and perennial1,2. These life cycles are associated with different traits that determine ecosystem function3,4. Although life cycles are textbook examples of plant adaptation to different environments, we lack comprehensive knowledge regarding their global distributional patterns. Here we assembled an extensive database of plant life cycle assignments of 235,000 plant species coupled with millions of georeferenced datapoints to map the worldwide biogeography of these plant species. We found that annual plants are half as common as initially thought5-8, accounting for only 6% of plant species. Our analyses indicate that annuals are favoured in hot and dry regions. However, a more accurate model shows that the prevalence of annual species is driven by temperature and precipitation in the driest quarter (rather than yearly means), explaining, for example, why some Mediterranean systems have more annuals than desert systems. Furthermore, this pattern remains consistent among different families, indicating convergent evolution. Finally, we demonstrate that increasing climate variability and anthropogenic disturbance increase annual favourability. Considering future climate change, we predict an increase in annual prevalence for 69% of the world's ecoregions by 2060. Overall, our analyses raise concerns for ecosystem services provided by perennial plants, as ongoing changes are leading to a higher proportion of annual plants globally.
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Affiliation(s)
- Tyler Poppenwimer
- School of Plant Sciences and Food Security, Tel Aviv University, Tel Aviv, Israel
- Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Itay Mayrose
- School of Plant Sciences and Food Security, Tel Aviv University, Tel Aviv, Israel.
| | - Niv DeMalach
- Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel.
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8
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Guo WY, Serra-Diaz JM, Eiserhardt WL, Maitner BS, Merow C, Violle C, Pound MJ, Sun M, Slik F, Blach-Overgaard A, Enquist BJ, Svenning JC. Climate change and land use threaten global hotspots of phylogenetic endemism for trees. Nat Commun 2023; 14:6950. [PMID: 37907453 PMCID: PMC10618213 DOI: 10.1038/s41467-023-42671-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: 03/26/2023] [Accepted: 10/18/2023] [Indexed: 11/02/2023] Open
Abstract
Across the globe, tree species are under high anthropogenic pressure. Risks of extinction are notably more severe for species with restricted ranges and distinct evolutionary histories. Here, we use a global dataset covering 41,835 species (65.1% of known tree species) to assess the spatial pattern of tree species' phylogenetic endemism, its macroecological drivers, and how future pressures may affect the conservation status of the identified hotspots. We found that low-to-mid latitudes host most endemism hotspots, with current climate being the strongest driver, and climatic stability across thousands to millions of years back in time as a major co-determinant. These hotspots are mostly located outside of protected areas and face relatively high land-use change and future climate change pressure. Our study highlights the risk from climate change for tree diversity and the necessity to strengthen conservation and restoration actions in global hotspots of phylogenetic endemism for trees to avoid major future losses of tree diversity.
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Affiliation(s)
- Wen-Yong Guo
- Research Center for Global Change and Complex Ecosystems & Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, 200241, Shanghai, P. R. China.
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, 8000, Aarhus C, Denmark.
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000, Aarhus C, Denmark.
| | - Josep M Serra-Diaz
- Eversource Energy Center and Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
- Université de Lorraine, AgroParisTech, INRAE, Silva, Nancy, France
| | - Wolf L Eiserhardt
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000, Aarhus C, Denmark
| | - Brian S Maitner
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721, USA
| | - Cory Merow
- Eversource Energy Center and Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
| | - Cyrille Violle
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Matthew J Pound
- Department of Geography and Environmental Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST, United Kingdom
| | - Miao Sun
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000, Aarhus C, Denmark
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Ferry Slik
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, BE1410, Gadong, Brunei Darussalam
| | - Anne Blach-Overgaard
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, 8000, Aarhus C, Denmark
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000, Aarhus C, Denmark
| | - Brian J Enquist
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721, USA
- The Santa Fe Institute, 1399 Hyde Park Rd, Santa Fe, NM, 87501, USA
| | - Jens-Christian Svenning
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, 8000, Aarhus C, Denmark
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000, Aarhus C, Denmark
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9
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Kusumoto B, Chao A, Eiserhardt WL, Svenning JC, Shiono T, Kubota Y. Occurrence-based diversity estimation reveals macroecological and conservation knowledge gaps for global woody plants. SCIENCE ADVANCES 2023; 9:eadh9719. [PMID: 37801494 PMCID: PMC10558125 DOI: 10.1126/sciadv.adh9719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 09/06/2023] [Indexed: 10/08/2023]
Abstract
Incomplete sampling of species' geographic distributions has challenged biogeographers for many years to precisely quantify global-scale biodiversity patterns. After correcting for the spatial inequality of sample completeness, we generated a global species diversity map for woody angiosperms (82,974 species, 13,959,780 occurrence records). The standardized diversity estimated more pronounced latitudinal and longitudinal diversity gradients than the raw data and improved the spatial prediction of diversity based on environmental factors. We identified areas with potentially high species richness and rarity that are poorly explored, unprotected, and threatened by increasing human pressure: They are distributed mostly at low latitudes across central South America, Central Africa, subtropical China, and Indomalayan islands. These priority areas for botanical exploration can help to efficiently fill spatial knowledge gaps for better describing the status of biodiversity and improve the effectiveness of the protected area network for global woody plant conservation.
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Affiliation(s)
- Buntarou Kusumoto
- Faculty of Agriculture, Kyushu University, Fukuoka, Japan
- Think Nature Inc., Naha City, Japan
- University Museum, University of the Ryukyus, Nishihara, Japan
- Faculty of Science, University of the Ryukyus, Nishihara, Japan
- Royal Botanic Gardens, Kew, UK
| | - Anne Chao
- National Tsing Hua University, Hsinchu, Taiwan
| | - Wolf L. Eiserhardt
- Royal Botanic Gardens, Kew, UK
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, Aarhus, Denmark
| | - Jens-Christian Svenning
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, Aarhus, Denmark
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) and for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, Aarhus, Denmark
| | - Takayuki Shiono
- Think Nature Inc., Naha City, Japan
- Faculty of Science, University of the Ryukyus, Nishihara, Japan
| | - Yasuhiro Kubota
- Think Nature Inc., Naha City, Japan
- Faculty of Science, University of the Ryukyus, Nishihara, Japan
- Tropical Biosphere Research Center, University of the Ryukyus, Nishihara, Japan
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10
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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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11
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Gosline G, Bidault E, van der Burgt X, Cahen D, Challen G, Condé N, Couch C, Couvreur TLP, Dagallier LPMJ, Darbyshire I, Dawson S, Doré TS, Goyder D, Grall A, Haba P, Haba P, Harris D, Hind DJN, Jongkind C, Konomou G, Larridon I, Lewis G, Ley A, Lock M, Lucas E, Magassouba S, Mayo S, Molmou D, Monro A, Onana JM, Paiva J, Paton A, Phillips S, Prance G, Quintanar A, Rokni S, Shah T, Schrire B, Schuiteman A, Simões ARG, Sosef M, Stévart T, Stone RD, Utteridge T, Wilkin P, Xanthos M, Nic Lughadha E, Cheek M. A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea. Sci Data 2023; 10:327. [PMID: 37236921 DOI: 10.1038/s41597-023-02236-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
The Checklist of the Vascular Plants of the Republic of Guinea (CVPRG) is a specimen-based, expert-validated knowledge product, which provides a concise synthesis and overview of current knowledge on 3901 vascular plant species documented from Guinea (Conakry), West Africa, including their accepted names and synonyms, as well as their distribution and status within Guinea (indigenous or introduced, endemic or not). The CVPRG is generated automatically from the Guinea Collections Database and the Guinea Names Backbone Database, both developed and maintained at the Royal Botanic Gardens, Kew, in collaboration with the staff of the National Herbarium of Guinea. A total of 3505 indigenous vascular plant species are reported of which 3328 are flowering plants (angiosperms); this represents a 26% increase in known indigenous angiosperms since the last floristic overview. Intended as a reference for scientists documenting the diversity and distribution of the Guinea flora, the CVPRG will also inform those seeking to safeguard the rich plant diversity of Guinea and the societal, ecological and economic benefits accruing from these biological resources.
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Affiliation(s)
| | | | | | | | | | - Nagnouma Condé
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | - Charlotte Couch
- Royal Botanic Gardens, Kew, Richmond, UK
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | - Thomas L P Couvreur
- DIADE, Univ Montpellier, CIRAD, IRD, Montpellier, France
- Naturalis Biodiversity Centre, Botany Section, Leiden, The Netherlands
| | | | | | | | | | | | | | - Pépé Haba
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | - Pierre Haba
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | | | | | | | - Gbamon Konomou
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | | | | | | | | | - Eve Lucas
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | - Simon Mayo
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Denise Molmou
- Herbier National de Guinée, UGAN-Conakry, Conakry, Guinea
| | | | - Jean Michel Onana
- Université de Yaoundé 1, Cameroon; IRAD-Herbier National Camerounais, Yaoundé, Cameroon
| | | | - Alan Paton
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | | | | | - Saba Rokni
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Toral Shah
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | | | | | | | - Tariq Stévart
- Missouri Botanical Garden, St. Louis, USA
- Meise Botanic Garden, Meise, Belgium
| | - R Doug Stone
- University of KwaZulu-Natal, Durban, South Africa
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12
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De Blaere R, Lievens K, Van Hassel D, Deklerck V, De Mil T, Hubau W, Van Acker J, Bourland N, Verwaeren J, Van den Bulcke J, Beeckman H. SmartWoodID-an image collection of large end-grain surfaces to support wood identification systems. Database (Oxford) 2023; 2023:7161700. [PMID: 37178209 PMCID: PMC10182821 DOI: 10.1093/database/baad034] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/24/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023]
Abstract
Wood identification is a key step in the enforcement of laws and regulations aimed at combatting illegal timber trade. Robust wood identification tools, capable of distinguishing a large number of timbers, depend on a solid database of reference material. Reference material for wood identification is typically curated in botanical collections dedicated to wood consisting of samples of secondary xylem of lignified plants. Specimens from the Tervuren Wood Collection, one of the large institutional wood collections around the world, are used as a source of tree species data with potential application as timber. Here, we present SmartWoodID, a database of high-resolution optical scans of the end-grain surfaces enriched with expert wood anatomical descriptions of macroscopic features. These can serve as annotated training data to develop interactive identification keys and artificial intelligence for computer vision-based wood identification. The first edition of the database consists of images of 1190 taxa, with a focus on potential timber species from the Democratic Republic of the Congo with at least four different specimens per species included. Database URL https://hdl.handle.net/20.500.12624/SmartWoodID_first_edition.
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Affiliation(s)
- Ruben De Blaere
- Service of Wood Biology, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren 3080, Belgium
| | - Kévin Lievens
- Service of Wood Biology, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren 3080, Belgium
| | - Dieter Van Hassel
- Service of Wood Biology, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren 3080, Belgium
| | - Victor Deklerck
- Jodrell laboratory, Royal Botanic Gardens, Kew, Richmond, London TW9 3A, UK
| | - Tom De Mil
- TERRA Teaching and Research Center, Gembloux Agro-Bio Tech (Université de Liège), Passage des Déportés 2, Gembloux 5030, Belgium
| | - Wannes Hubau
- Service of Wood Biology, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren 3080, Belgium
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Coupure Links 653, Gent 9000, Belgium
| | - Joris Van Acker
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Coupure Links 653, Gent 9000, Belgium
| | - Nils Bourland
- Service of Wood Biology, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren 3080, Belgium
| | - Jan Verwaeren
- UGent-KERMIT, Research Unit Knowledge-based, Predictive and Spatio-temporal Modelling, Department of Data Analysis and Mathematical Modelling, Ghent University, Coupure Links 653, Gent 9000, Belgium
| | - Jan Van den Bulcke
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Coupure Links 653, Gent 9000, Belgium
| | - Hans Beeckman
- Service of Wood Biology, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren 3080, Belgium
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13
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Aung TS, Hughes AC, Khine PK, Liu B, Shen XL, Ma KP. Patterns of floristic inventory and plant collections in Myanmar. PLANT DIVERSITY 2023; 45:302-308. [PMID: 37397597 PMCID: PMC10311185 DOI: 10.1016/j.pld.2023.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 01/14/2023] [Accepted: 01/29/2023] [Indexed: 07/04/2023]
Abstract
Myanmar is one of the most biodiverse countries in the Asia-Pacific region due to a wide range of climatic and environmental heterogeneity. Floristic diversity in Myanmar is largely unknown, resulting in a lack of comprehensive conservation plans. We developed a database of higher plants in Myanmar derived from herbarium specimens and literature sources, and analyzed patterns of diversity inventories and collection inconsistencies, aiming to provide a baseline floristic data of Myanmar and act as a guide for future research efforts. We collected 1,329,354 records of 16,218 taxa. Results show that the collection densities at the township level was variable, with 5% of townships having no floristic collections. No ecoregion had an average collection density of greater than 1 specimen/km2 and the lowest collection density was found in the Kayah-Karen Montane Rainforests, which covered 8% of Myanmar's total area. The highest sampling densities were found in Mandalay Region, Chin State, and Yangon Region. Despite floristic collections over the past three centuries, knowledge of the distribution of the vast majority of plant taxa remained limited, particularly for gymnosperms, pteridophytes, and bryophytes. More botanical surveys and further analyses are needed to better describe Myanmar's floristic diversity. An important strategy to promote knowledge of the biodiversity patterns in Myanmar is to improve the collection and digitalization of specimens and to strengthen cooperation among countries.
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Affiliation(s)
- Thant Sin Aung
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Alice C. Hughes
- University of Hong Kong Department of Ecology and Biodiversity, The University of Hong Kong School of Biological Sciences, China
| | - Phyo Kay Khine
- Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan 666303, China
| | - Bo Liu
- Minzu University of China, Beijing 100081, China
| | - Xiao-Li Shen
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Ke-Ping Ma
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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14
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Xu WB, Guo WY, Serra-Diaz JM, Schrodt F, Eiserhardt WL, Enquist BJ, Maitner BS, Merow C, Violle C, Anand M, Belluau M, Bruun HH, Byun C, Catford JA, Cerabolini BE, Chacón-Madrigal E, Ciccarelli D, Cornelissen JHC, Dang-Le AT, de Frutos A, Dias AS, Giroldo AB, Gutiérrez AG, Hattingh W, He T, Hietz P, Hough-Snee N, Jansen S, Kattge J, Komac B, Kraft NJ, Kramer K, Lavorel S, Lusk CH, Martin AR, Ma KP, Mencuccini M, Michaletz ST, Minden V, Mori AS, Niinemets Ü, Onoda Y, Onstein RE, Peñuelas J, Pillar VD, Pisek J, Pound MJ, Robroek BJ, Schamp B, Slot M, Sun M, Sosinski ÊE, Soudzilovskaia NA, Thiffault N, van Bodegom PM, van der Plas F, Zheng J, Svenning JC, Ordonez A. Global beta-diversity of angiosperm trees is shaped by Quaternary climate change. SCIENCE ADVANCES 2023; 9:eadd8553. [PMID: 37018407 PMCID: PMC10075971 DOI: 10.1126/sciadv.add8553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 03/08/2023] [Indexed: 06/19/2023]
Abstract
As Earth's climate has varied strongly through geological time, studying the impacts of past climate change on biodiversity helps to understand the risks from future climate change. However, it remains unclear how paleoclimate shapes spatial variation in biodiversity. Here, we assessed the influence of Quaternary climate change on spatial dissimilarity in taxonomic, phylogenetic, and functional composition among neighboring 200-kilometer cells (beta-diversity) for angiosperm trees worldwide. We found that larger glacial-interglacial temperature change was strongly associated with lower spatial turnover (species replacements) and higher nestedness (richness changes) components of beta-diversity across all three biodiversity facets. Moreover, phylogenetic and functional turnover was lower and nestedness higher than random expectations based on taxonomic beta-diversity in regions that experienced large temperature change, reflecting phylogenetically and functionally selective processes in species replacement, extinction, and colonization during glacial-interglacial oscillations. Our results suggest that future human-driven climate change could cause local homogenization and reduction in taxonomic, phylogenetic, and functional diversity of angiosperm trees worldwide.
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Affiliation(s)
- Wu-Bing Xu
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany
| | - Wen-Yong Guo
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station and Research Center for Global Change and Complex Ecosystems, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, P.R. China
| | | | - Franziska Schrodt
- School of Geography, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Wolf L. Eiserhardt
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Royal Botanic Gardens, Kew, Surrey TW9 3AE, UK
| | - Brian J. Enquist
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
- The Santa Fe Institute, 1399 Hyde Park Rd., Santa Fe, NM 87501, USA
| | - Brian S. Maitner
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
| | - Cory Merow
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, USA
| | - Cyrille Violle
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Madhur Anand
- School of Environmental Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Michaël Belluau
- Centre for Forest Research, Département des sciences biologiques, Université du Québec à Montréal, P.O. Box 8888, Centre-ville station, Montréal, QC H3C 3P8, Canada
| | - Hans Henrik Bruun
- Department of Biology, University of Copenhagen, 2100 Copenhagen Ø, Denmark
| | - Chaeho Byun
- Department of Biological Sciences and Biotechnology, Andong National University, Andong, 36729, Korea
| | - Jane A. Catford
- Department of Geography, King’s College London, London WC2B 4BG, UK
| | - Bruno E. L. Cerabolini
- Department of Biotechnologies and Life Sciences, University of Insubria, Via Dunant 3, 21100 Varese, Italy
| | - Eduardo Chacón-Madrigal
- Herbario Luis Fournier Origgi, Centro de Investigación en Biodiversidad y Ecología Tropical (CIBET), Universidad de Costa Rica, San Pedro de Montes de Oca, 11501-2060 San José, Costa Rica
| | - Daniela Ciccarelli
- Department of Biology, University of Pisa, Via Luca Ghini 13, 56126 Pisa, Italy
| | - J. Hans C. Cornelissen
- Systems Ecology, A-LIFE, Faculty of Science, Vrije Universiteit, 1081 HV Amsterdam, Netherlands
| | - Anh Tuan Dang-Le
- Faculty of Biology - Biotechnology, University of Science - VNUHCM, 227 Nguyen Van Cu, District 5, 700000 Ho Chi Minh City, Vietnam
| | - Angel de Frutos
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany
| | - Arildo S. Dias
- Goethe University, Institute for Physical Geography, Altenhöferallee 1, 60438 Frankfurt am Main, Germany
| | - Aelton B. Giroldo
- Departamento de Ensino, Instituto Federal de Educação, Ciências e Tecnologia do Ceará - IFCE campus Crateús, Avenida Geraldo Barbosa Marques, 567, 63708-260 Crateús, Brazil
| | - Alvaro G. Gutiérrez
- Departamento de Ciencias Ambientales y Recursos Naturales Renovables, Facultad de Ciencias Agronómicas, Universidad de Chile, Santa Rosa 11315, La Pintana, Santiago, Chile
- Institute of Ecology and Biodiversity (IEB), Santiago, Chile
| | - Wesley Hattingh
- Global Systems and Analytics, Nova Pioneer, Paulshof, Gauteng, South Africa
| | - Tianhua He
- School of Molecular and Life Sciences, Curtin University, P.O. Box U1987, Perth, WA 6845, Australia
- College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA, Australia
| | - Peter Hietz
- Institute of Botany, University of Natural Resources and Life Sciences Vienna, 1180 Vienna, Austria
| | | | - Steven Jansen
- Institute of Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany
| | - Jens Kattge
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany
- Max Planck Institute for Biogeochemistry, Hans Knöll Str. 10, 07745 Jena, Germany
| | - Benjamin Komac
- Andorra Recerca + Innovació, AD600 Sant Julià de Lòria (Principat d'), Andorra
| | - Nathan J. B. Kraft
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Koen Kramer
- Wageningen University, Forest Ecology and Management Group, Droevendaalsesteeg 4, 6700AA Wageningen, Netherlands
- Land Life Company, Mauritskade 63, 1092AD, Amsterdam, Netherlands
| | - Sandra Lavorel
- Laboratoire d’Ecologie Alpine, LECA, UMR UGA-USMB-CNRS 5553, Université Grenoble Alpes, CS 40700, 38058 Grenoble Cedex 9, France
| | - Christopher H. Lusk
- Environmental Research Institute, University of Waikato, Hamilton, New Zealand
| | - Adam R. Martin
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, M1C 1A4 Toronto, ON, Canada
| | - Ke-Ping Ma
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Maurizio Mencuccini
- ICREA, Barcelona, 08010, Spain
- CREAF, Cerdanyola del Vallès, Barcelona 08193, Catalonia, Spain
| | - Sean T. Michaletz
- Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Vanessa Minden
- Department of Biology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
- Institute for Biology and Environmental Sciences, University of Oldenburg, 26129 Oldenburg, Germany
| | - Akira S. Mori
- Research Center for Advanced Science and Technology, the University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8904, Japan
| | - Ülo Niinemets
- Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia
| | - Yusuke Onoda
- Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University, Oiwake, Kitashirakawa, Kyoto, 606-8502 Japan
| | - Renske E. Onstein
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany
- Naturalis Biodiversity Center, Darwinweg 2, 2333CR Leiden, Netherlands
| | - Josep Peñuelas
- CREAF, Cerdanyola del Vallès, Barcelona 08193, Catalonia, Spain
- CSIC, Global Ecology Unit CREAF- CSIC-UAB, Bellaterra, Barcelona 08193, Catalonia, Spain
| | - Valério D. Pillar
- Department of Ecology, Universidade Federal do Rio Grande do Sul, Porto Alegre, 91501-970, Brazil
| | - Jan Pisek
- Tartu Observatory, University of Tartu, Observatooriumi 1, Tõravere, 61602 Tartumaa, Estonia
| | - Matthew J. Pound
- Department of Geography and Environmental Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - Bjorn J. M. Robroek
- Aquatic Ecology and Environmental Biology, Faculty of Science, Radboud Institute for Biological and Environmental Sciences, Radboud University Nijmegen, 6525 AJ Nijmegen, Netherlands
| | - Brandon Schamp
- Department of Biology, Algoma University, Sault Ste. Marie, Ontario, P6A 2G4, Canada
| | - Martijn Slot
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Republic of Panama
| | - Miao Sun
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan 430070, China
| | | | | | - Nelson Thiffault
- Natural Resources Canada, Canadian Wood Fibre Centre, 1055 du P.E.P.S., P.O. Box 10380, Stn. Sainte-Foy, Quebec, QC G1V 4C7, Canada
| | - Peter M. van Bodegom
- Institute of Environmental Sciences, Leiden University, 2333 CC Leiden, Netherlands
| | - Fons van der Plas
- Plant Ecology and Nature Conservation Group, Wageningen University, Netherlands
| | - Jingming Zheng
- Beijing Key Laboratory for Forest Resources and Ecosystem Processes, Beijing Forestry University, Beijing, 100083, China
| | - Jens-Christian Svenning
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO), Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Alejandro Ordonez
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO), Department of Biology, Aarhus University, DK-8000 Aarhus C, Denmark
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15
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Modeling current and future distribution patterns of Uvaria chamae in Benin (West Africa): Challenges and opportunities for its sustainable management. Heliyon 2023; 9:e13658. [PMID: 36879756 PMCID: PMC9984439 DOI: 10.1016/j.heliyon.2023.e13658] [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: 10/12/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/13/2023] Open
Abstract
Uvaria chamae is a wild shrub species widely used as a source for traditional medicine, food and fuel in West Africa. The species is threatened by uncontrolled harvesting of its roots for pharmaceutical applications and by the extension of agricultural land. This study assessed the role of environmental variables for the current distribution and the potential impact of climate change on the future spatial distribution of U. chamae in Benin. We used data related to climate, soil, topography and land cover to model the distribution of the species. Occurrence data were combined with six least correlated bioclimatic variables derived from the WorldClim database, data on soil layers (texture and pH) and topography (slope) obtained from the FAO world database and land cover from the DIVA-GIS site. Random Forest (RF), Generalized Additive Models (GAM), Generalized Linear Models (GLM) and the Maximum Entropy (MaxEnt) algorithm were used to predict the current and future (2050-2070) distribution of the species. Two climate change scenarios (SSP245 and SSP585) were considered for the future predictions. The results showed that climate (i.e., water availability) and soil type are the key predictors of the distribution of the species. Based on future climate projections, RF, GLM and GAM models predict that the Guinean-Congolian and Sudano-Guinean zones of Benin will remain suitable for U. chamae, while it will decline in these zones according to the MaxEnt model. These results call for a timely management effort for the species in Benin through its introduction into agroforestry systems to ensure the continuity of its ecosystem services.
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16
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Marshall CAM, Dabo J, Mensah M, Ekpe P, Hawthorne WD. Implications for conservation assessment from flux in the botanical record over 20 years in southwest Ghana. Ecol Evol 2023; 13:e9775. [PMID: 36713481 PMCID: PMC9873867 DOI: 10.1002/ece3.9775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/05/2023] [Accepted: 01/11/2023] [Indexed: 01/26/2023] Open
Abstract
At best, conservation decisions can only be made using the data available at the time. For plants and especially in the tropics, natural history collections remain the best available baseline information upon which to base conservation assessments, in spite of well-documented limitations in their taxonomic, geographic, and temporal coverage. We explore the extent to which changes to the plant biological record over 20 years have changed our conception of the conservation importance of 931 plant taxa, and 114 vegetation samples, recorded in forest reserves of the southwest Ghana biodiversity hotspot. 36% of species-level assessments changed as a result of new distribution data. 12% of species accepted in 2016 had no assessment in 1996: of those, 20% are new species publications, 60% are new records for SW Ghana, and 20% are taxonomic resolutions. Apparent species ranges have increased over time as new records are made, but new species publications are overwhelmingly of globally rare species, keeping the balance of perceived rarity in the flora constant over 20 years. Thus, in spite of considerable flux at the species record level, range size rarity scores calculated for 114 vegetation samples of the reserves in 1996 and 2016 are highly correlated with each other: r(112) = 0.84, p < .0005, and showed no difference in mean score over 20 years: paired t(113) = -0.482, p = .631. This consistency in results at the area level allows for worthwhile conservation priority setting over time, and we argue is the better course of action than taking no action at all.
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Affiliation(s)
| | | | | | - Patrick Ekpe
- Ghana Herbarium, Department of Plant & Environmental BiologyUniversity of GhanaLegonGhana
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17
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Mahaut L, Pironon S, Barnagaud JY, Bretagnolle F, Khoury CK, Mehrabi Z, Milla R, Phillips C, Rieseberg LH, Violle C, Renard D. Matches and mismatches between the global distribution of major food crops and climate suitability. Proc Biol Sci 2022; 289:20221542. [PMID: 36168758 PMCID: PMC9515644 DOI: 10.1098/rspb.2022.1542] [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: 08/08/2022] [Accepted: 09/06/2022] [Indexed: 09/30/2023] Open
Abstract
Over the course of history, humans have moved crops from their regions of origin to new locations across the world. The social, cultural and economic drivers of these movements have generated differences not only between current distributions of crops and their climatic origins, but also between crop distributions and climate suitability for their production. Although these mismatches are particularly important to inform agricultural strategies on climate change adaptation, they have, to date, not been quantified consistently at the global level. Here, we show that the relationships between the distributions of 12 major food crops and climate suitability for their yields display strong variation globally. After investigating the role of biophysical, socio-economic and historical factors, we report that high-income world regions display a better match between crop distribution and climate suitability. In addition, although crops are farmed predominantly in the same climatic range as their wild progenitors, climate suitability is not necessarily higher there, a pattern that reflects the legacy of domestication history on current crop distribution. Our results reveal how far the global distribution of major crops diverges from their climatic optima and call for greater consideration of the multiple dimensions of the crop socio-ecological niche in climate change adaptive strategies.
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Affiliation(s)
- Lucie Mahaut
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Samuel Pironon
- Royal Botanic Gardens, Kew, Richmond, UK
- UN Environment Programme World Conservation Monitoring Center (UNEP-WCMC), Cambridge, UK
| | | | | | - Colin K. Khoury
- International Center for Tropical Agriculture (CIAT), Km 17, Recta Cali-Palmira, Apartado Aéreo 6713, Cali 763537, Colombia
- San Diego Botanic Garden, 230 Quail Gardens Drive, Encinitas, CA 92024, USA
| | - Zia Mehrabi
- Institute for Resources Environment and Sustainability, School of Public Policy and Global Affairs, University of British Columbia, Vancouver, BC, Canada, V6R 2A5
| | - Ruben Milla
- Universidad Rey Juan Carlos, Escuela Superior de Ciencias Experimentales y Tecnología, Mostoles, Spain
| | | | - Loren H. Rieseberg
- Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, BC, Canada, V6R 2A5
| | - Cyrille Violle
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Delphine Renard
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
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18
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Tack W, Engledow H, Veríssimo Pereira N, Amani C, Bachman SP, Barberá P, Beentje HJ, Bouka GUD, Cheek M, Cosiaux A, Dauby G, De Block P, Ewango CEN, Fischer E, Gereau RE, Hargreaves S, Harvey-Brown Y, Ikabanga DU, Ilunga wa Ilunga E, Kalema J, Kamau P, Lachenaud O, Luke Q, Mwanga Mwanga I, Ndolo Ebika ST, Nkengurutse J, Nsanzurwimo A, Ntore S, Richards SL, Shutsha Ehata R, Simo-Droissart M, Stévart T, Sosef MSM. The ECAT dataset: expert-validated distribution data of endemic and sub-endemic trees of Central Africa (Dem. Rep. Congo, Rwanda, Burundi). PHYTOKEYS 2022; 206:137-151. [PMID: 36761267 PMCID: PMC9849015 DOI: 10.3897/phytokeys.206.77379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 08/15/2022] [Indexed: 06/18/2023]
Abstract
In this data paper, we present a specimen-based occurrence dataset compiled in the framework of the Conservation of Endemic Central African Trees (ECAT) project with the aim of producing global conservation assessments for the IUCN Red List. The project targets all tree species endemic or sub-endemic to the Central African region comprising the Democratic Republic of the Congo (DR Congo), Rwanda, and Burundi. The dataset contains 6361 plant collection records with occurrences of 8910 specimens from 337 taxa belonging to 153 genera in 52 families. Many of these tree taxa have restricted geographic ranges and are only known from a small number of herbarium specimens. As assessments for such taxa can be compromised by inadequate data, we transcribed and geo-referenced specimen label information to obtain a more accurate and complete locality dataset. All specimen data were manually cleaned and verified by botanical experts, resulting in improved data quality and consistency.
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Affiliation(s)
- Wesley Tack
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
| | - Henry Engledow
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
| | - Nuno Veríssimo Pereira
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
| | - Christian Amani
- Université Officielle de Bukavu, Bukavu, Democratic Republic of the CongoIUCN SSC Eastern African Plant Red List Authority (EAPRLA)GlandSwitzerland
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
| | - Steven P. Bachman
- Royal Botanic Gardens, Kew, Richmond, Surrey, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Patricia Barberá
- Missouri Botanical Garden, Africa & Madagascar Department, St. Louis, MO 63110, USAMissouri Botanical Garden, Africa & Madagascar DepartmentSt. LouisUnited States of America
| | - Henk J. Beentje
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
- Royal Botanic Gardens, Kew, Richmond, Surrey, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Gaël U. D. Bouka
- Laboratoire de Biodiversité, de Gestion des Ecosystèmes et de l’Environnement, Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Democratic Republic of the CongoUniversité Marien NgouabiBrazzavilleDemocratic Republic of the Congo
| | - Martin Cheek
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
- Royal Botanic Gardens, Kew, Richmond, Surrey, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Ariane Cosiaux
- Plant Systematics and Ecology Laboratory, University of Yaoundé I, P.O. Box 047, Yaoundé, CameroonUniversity of Yaoundé IYaoundéCameroon
- Institut de Recherche pour le Développement, Université de Montpellier, Montpellier, FranceUniversité de MontpellierMontpellierFrance
| | - Gilles Dauby
- Institut de Recherche pour le Développement, Université de Montpellier, Montpellier, FranceUniversité de MontpellierMontpellierFrance
| | - Petra De Block
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
| | - Corneille E. N. Ewango
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
- AMAP, Université de Montpellier, CIRAD, CNRS, INRAE, IRD, Montpellier, FranceUniversité de KisanganiKisanganiDemocratic Republic of the Congo
| | - Eberhard Fischer
- Centre de Surveillance de la Biodiversité, Université de Kisangani, Kisangani, Democratic Republic of the CongoUniversity of Koblenz and LandauKoblenzGermany
- University of Koblenz-Landau, Universitätsstraße 1, Koblenz, 56070, GermanyIUCN SSC Central Africa Plant Red List Authority (CARLA)GlandSwitzerland
| | - Roy E. Gereau
- Missouri Botanical Garden, Africa & Madagascar Department, St. Louis, MO 63110, USAMissouri Botanical Garden, Africa & Madagascar DepartmentSt. LouisUnited States of America
- University of Koblenz-Landau, Universitätsstraße 1, Koblenz, 56070, GermanyIUCN SSC Central Africa Plant Red List Authority (CARLA)GlandSwitzerland
| | - Serene Hargreaves
- Royal Botanic Gardens, Kew, Richmond, Surrey, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Yvette Harvey-Brown
- IUCN SSC Central Africa Plant Red List Authority (CARLA), Gland, SwitzerlandBotanic Gardens Conservation InternationalRichmondUnited Kingdom
| | - Davy U. Ikabanga
- Botanic Gardens Conservation International, Richmond, Surrey, UKUniversity of Sciences and Techniques of MasukuFrancevilleGabon
| | - Edouard Ilunga wa Ilunga
- Department of Biology, Faculty of Sciences, University of Sciences and Techniques of Masuku, BP: 941, Franceville, GabonUniversité de LubumbashiLubumbashiDemocratic Republic of the Congo
| | - James Kalema
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
- Herbarium de Lubumbashi, Université de Lubumbashi, 1825, Route Kasapa, Lubumbashi, Democratic Republic of the CongoMakerere University Herbarium, Department of Plant Sciences Microbiology and BiotechnologyKampalaUganda
| | - Peris Kamau
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
- Makerere University Herbarium, Department of Plant Sciences Microbiology and Biotechnology, P.O. Box 7062, Kampala, UgandaEast African Herbarium, National Museums of KenyaNairobiKenya
| | - Olivier Lachenaud
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
- East African Herbarium, National Museums of Kenya, P.O. Box 45166-00100, Nairobi, KenyaUniversité Libre de BruxellesBrusselsBelgium
| | - Quentin Luke
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
- Makerere University Herbarium, Department of Plant Sciences Microbiology and Biotechnology, P.O. Box 7062, Kampala, UgandaEast African Herbarium, National Museums of KenyaNairobiKenya
| | - Ithe Mwanga Mwanga
- Herbarium et Bibliothèque de Botanique africaine, C.P. 265, Université Libre de Bruxelles, Campus de la Plaine, Boulevard du Triomphe 1050, Brussels, BelgiumCentre de Recherche en Sciences Naturelles CRSN/Lwiro, Laboratoire de Systématiquement et Taxonomie végétaleBukavuDemocratic Republic of the Congo
| | - Sydney T. Ndolo Ebika
- Laboratoire de Biodiversité, de Gestion des Ecosystèmes et de l’Environnement, Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Democratic Republic of the CongoUniversité Marien NgouabiBrazzavilleDemocratic Republic of the Congo
| | - Jacques Nkengurutse
- Centre de Recherche en Sciences Naturelles CRSN/Lwiro, Laboratoire de Systématiquement et Taxonomie végétale, D.S. Bukavu, Democratic Republic of the CongoUniversity of BurundiBujumburaBurundi
| | - Aimable Nsanzurwimo
- Department of Biology, Faculty of Science, University of Burundi, P.O. Box 2700, Bujumbura, BurundiDepartment of Biotechnologies, Faculty of Applied Sciences, INES-RuhengeriRuhengeriRwanda
| | - Salvator Ntore
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
- IUCN SSC Eastern African Plant Red List Authority (EAPRLA), Gland, SwitzerlandUniversité Officielle de BukavuBukavuDemocratic Republic of the Congo
- University of Koblenz-Landau, Universitätsstraße 1, Koblenz, 56070, GermanyIUCN SSC Central Africa Plant Red List Authority (CARLA)GlandSwitzerland
| | - Sophie L. Richards
- Royal Botanic Gardens, Kew, Richmond, Surrey, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Reddy Shutsha Ehata
- AMAP, Université de Montpellier, CIRAD, CNRS, INRAE, IRD, Montpellier, FranceUniversité de KisanganiKisanganiDemocratic Republic of the Congo
| | - Murielle Simo-Droissart
- Plant Systematics and Ecology Laboratory, University of Yaoundé I, P.O. Box 047, Yaoundé, CameroonUniversity of Yaoundé IYaoundéCameroon
- Department of Biotechnologies, Faculty of Applied Sciences, INES-Ruhengeri, B.P.155 Ruhengeri, RwandaUCN SSC Central Africa Plant Red List Authority (CARLA)GlandSwaziland
| | - Tariq Stévart
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
- Missouri Botanical Garden, Africa & Madagascar Department, St. Louis, MO 63110, USAMissouri Botanical Garden, Africa & Madagascar DepartmentSt. LouisUnited States of America
- University of Koblenz-Landau, Universitätsstraße 1, Koblenz, 56070, GermanyIUCN SSC Central Africa Plant Red List Authority (CARLA)GlandSwitzerland
- East African Herbarium, National Museums of Kenya, P.O. Box 45166-00100, Nairobi, KenyaUniversité Libre de BruxellesBrusselsBelgium
| | - Marc S. M. Sosef
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, BelgiumMeise Botanic GardenMeiseBelgium
- University of Koblenz-Landau, Universitätsstraße 1, Koblenz, 56070, GermanyIUCN SSC Central Africa Plant Red List Authority (CARLA)GlandSwitzerland
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19
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Zhang Q, Ye J, Le C, Njenga DM, Rabarijaona NR, Omollo WO, Lu L, Liu B, Chen Z. New insights into the formation of biodiversity hotspots of the Kenyan flora. DIVERS DISTRIB 2022. [DOI: 10.1111/ddi.13624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Affiliation(s)
- Qiang Zhang
- State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing China
- University of Chinese Academy of Sciences Beijing China
| | - Jian‐Fei Ye
- Beijing Botanical Garden Institute of Botany, Chinese Academy of Sciences Beijing China
| | - Chi‐Toan Le
- Ha Noi Pedagogical University 2 Phuc Yen Vietnam
| | - Dennis Mwithukia Njenga
- State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing China
- University of Chinese Academy of Sciences Beijing China
| | - Narindra Romer Rabarijaona
- State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing China
- University of Chinese Academy of Sciences Beijing China
| | - Wyckliffe Omondi Omollo
- State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing China
- University of Chinese Academy of Sciences Beijing China
| | - Li‐Min Lu
- State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing China
| | - Bing Liu
- State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing China
- Sino‐Africa Joint Research Center Chinese Academy of Sciences Wuhan China
| | - Zhi‐Duan Chen
- State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing China
- Sino‐Africa Joint Research Center Chinese Academy of Sciences Wuhan China
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20
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Karichu MJ, Ngarega BK, Onjalalaina GE, Kamau P, Sessa EB. The potential distributions of African
Azolla
species and their implications for African wetland ecosystems for the future. Ecol Evol 2022. [DOI: 10.1002/ece3.9210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Boniface K. Ngarega
- Centre for Integrative Conservation, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences Menglun China
- University of Chinese Academy of Sciences Beijing China
| | - Guy E. Onjalalaina
- University of Chinese Academy of Sciences Beijing China
- Faculty of Sciences University of Antananarivo Antananarivo Madagascar
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden Chinese Academy of Sciences Wuhan China
| | - Peris Kamau
- Botany Department National Museums of Kenya Nairobi Kenya
| | - Emily B. Sessa
- Department of Biology University of Florida Gainesville Florida USA
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21
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Amoussou BEN, Idohou R, Glèlè Kakaï R, Dauby G, Couvreur TLP. Impact of end‐of‐century climate change on priority non‐timber forest product species across tropical Africa. Afr J Ecol 2022. [DOI: 10.1111/aje.13034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Biowa Eldys N. Amoussou
- Laboratoire de Biomathématiques et d'Estimations Forestières (LABEF) Université d'Abomey‐Calavi Abomey‐Calavi Benin
- DIADE, Univ Montpellier, CIRAD, IRD Montpellier France
| | - Rodrigue Idohou
- Laboratoire de Biomathématiques et d'Estimations Forestières (LABEF) Université d'Abomey‐Calavi Abomey‐Calavi Benin
- Ecole de Gestion et de Production Végétale et Semencière Université Nationale d'Agriculture Kétou Benin
| | - Romain Glèlè Kakaï
- Laboratoire de Biomathématiques et d'Estimations Forestières (LABEF) Université d'Abomey‐Calavi Abomey‐Calavi Benin
| | - Gilles Dauby
- AMAP, Univ Montpellier, CIRAD, CNRS, INRAE, IRD Montpellier France
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22
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Guo WY, Serra-Diaz JM, Schrodt F, Eiserhardt WL, Maitner BS, Merow C, Violle C, Anand M, Belluau M, Bruun HH, Byun C, Catford JA, Cerabolini BEL, Chacón-Madrigal E, Ciccarelli D, Cornelissen JHC, Dang-Le AT, de Frutos A, Dias AS, Giroldo AB, Guo K, Gutiérrez AG, Hattingh W, He T, Hietz P, Hough-Snee N, Jansen S, Kattge J, Klein T, Komac B, Kraft NJB, Kramer K, Lavorel S, Lusk CH, Martin AR, Mencuccini M, Michaletz ST, Minden V, Mori AS, Niinemets Ü, Onoda Y, Peñuelas J, Pillar VD, Pisek J, Robroek BJM, Schamp B, Slot M, Sosinski ÊE, Soudzilovskaia NA, Thiffault N, van Bodegom P, van der Plas F, Wright IJ, Xu WB, Zheng J, Enquist BJ, Svenning JC. High exposure of global tree diversity to human pressure. Proc Natl Acad Sci U S A 2022; 119:e2026733119. [PMID: 35709320 PMCID: PMC9231180 DOI: 10.1073/pnas.2026733119] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 04/13/2022] [Indexed: 11/18/2022] Open
Abstract
Safeguarding Earth's tree diversity is a conservation priority due to the importance of trees for biodiversity and ecosystem functions and services such as carbon sequestration. Here, we improve the foundation for effective conservation of global tree diversity by analyzing a recently developed database of tree species covering 46,752 species. We quantify range protection and anthropogenic pressures for each species and develop conservation priorities across taxonomic, phylogenetic, and functional diversity dimensions. We also assess the effectiveness of several influential proposed conservation prioritization frameworks to protect the top 17% and top 50% of tree priority areas. We find that an average of 50.2% of a tree species' range occurs in 110-km grid cells without any protected areas (PAs), with 6,377 small-range tree species fully unprotected, and that 83% of tree species experience nonnegligible human pressure across their range on average. Protecting high-priority areas for the top 17% and 50% priority thresholds would increase the average protected proportion of each tree species' range to 65.5% and 82.6%, respectively, leaving many fewer species (2,151 and 2,010) completely unprotected. The priority areas identified for trees match well to the Global 200 Ecoregions framework, revealing that priority areas for trees would in large part also optimize protection for terrestrial biodiversity overall. Based on range estimates for >46,000 tree species, our findings show that a large proportion of tree species receive limited protection by current PAs and are under substantial human pressure. Improved protection of biodiversity overall would also strongly benefit global tree diversity.
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Affiliation(s)
- Wen-Yong Guo
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, 8000 Aarhus C, Denmark
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000 Aarhus C, Denmark
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, People’s Republic of China
- Research Center for Global Change and Complex Ecosystems, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, People’s Republic of China
| | - Josep M. Serra-Diaz
- UMR Silva, Université de Lorraine, AgroParisTech, and INRAE, 54000 Nancy, France
| | - Franziska Schrodt
- School of Geography, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Wolf L. Eiserhardt
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000 Aarhus C, Denmark
| | - Brian S. Maitner
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721
| | - Cory Merow
- Eversource Energy Center, University of Connecticut, Storrs, CT 06268
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06268
| | - Cyrille Violle
- CEFE, Uni Montpellier, CNRS, EPHE, IRD, 34293 Montpellier Cedex 5, France
| | - Madhur Anand
- School of Environmental Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Michaël Belluau
- Centre for Forest Research, Département des Sciences Biologiques, Université du Québec à Montréal, Montréal, QC H3C 3P8, Canada
| | - Hans Henrik Bruun
- Department of Biology, University of Copenhagen, 2100 Copenhagen Ø, Denmark
| | - Chaeho Byun
- Department of Biological Sciences and Biotechnology, Andong National University, Andong 36729, Korea
| | - Jane A. Catford
- Department of Geography, King’s College London, London WC2B 4BG, United Kingdom
| | - Bruno E. L. Cerabolini
- Department of Biotechnology and Life Sciences, University of Insubria, I-21100 Varese, Italy
| | | | | | - J. Hans C. Cornelissen
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands
| | - Anh Tuan Dang-Le
- University of Science, 700000 Ho Chi Minh City, Vietnam
- Vietnam National University, 700000 Ho Chi Minh City, Vietnam
| | - Angel de Frutos
- German Centre for Integrative Biodiversity Research (iDiv), 04103 Leipzig, Germany
| | - Arildo S. Dias
- Institute for Physical Geography, Goethe University, 60438 Frankfurt am Main, Germany
| | - Aelton B. Giroldo
- Departamento de Ensino, Instituto Federal de Educação, Ciências e Tecnologia do Ceará, Crateús 63708-260, Brazil
| | - Kun Guo
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, People’s Republic of China
- Research Center for Global Change and Complex Ecosystems, School of Ecological and Environmental Sciences, East China Normal University, 200241 Shanghai, People’s Republic of China
| | - Alvaro G. Gutiérrez
- Departamento de Ciencias Ambientales y Recursos Naturales Renovables, Facultad de Ciencias Agronómicas, Universidad de Chile, Santa Rosa 11315, La Pintana, Santiago, Chile
- Institute of Ecology and Biodiversity (IEB), Barrio Universitario, 4070374 Concepción, Chile
| | - Wesley Hattingh
- Global Systems and Analytics, Nova Pioneer, Paulshof, Gauteng, 2191, South Africa
| | - Tianhua He
- School of Molecular and Life Sciences, Curtin University, Perth, WA 6845, Australia
- College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia
| | - Peter Hietz
- Institute of Botany, University of Natural Resources and Life Sciences, 1180 Vienna, Austria
| | | | - Steven Jansen
- Institute of Systematic Botany and Ecology, Ulm University, 89081 Ulm, Germany
| | - Jens Kattge
- German Centre for Integrative Biodiversity Research (iDiv), 04103 Leipzig, Germany
- Max Planck Institute for Biogeochemistry, 07745 Jena, Germany
| | - Tamir Klein
- Department of Plant & Environmental Sciences, Weizmann Institute of Science, 76100 Rehovot, Israel
| | - Benjamin Komac
- Centre d’Estudis de la Neu i la Muntanya d’Andorra, Institut d’Estudis, Andorrans (CENMA–IEA), AD600 Sant Julià de Lòria, Principality of Andorra
| | - Nathan J. B. Kraft
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095
| | - Koen Kramer
- Forest Ecology and Management Group, Wageningen University, 6700 AA Wageningen, The Netherlands
- Land Life Company, 1092AD Amsterdam, The Netherlands
| | - Sandra Lavorel
- Laboratoire d’Ecologie Alpine, LECA, UMR UGA-USMB-CNRS 5553, Université Grenoble Alpes, 38058 Grenoble Cedex 9, France
| | - Christopher H. Lusk
- Environmental Research Institute, University of Waikato, Hamilton 3240, New Zealand
| | - Adam R. Martin
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, Toronto, ON M1C 1A4, Canada
| | - Maurizio Mencuccini
- ICREA, 08010 Barcelona, Spain
- CREAF, Universidad Autonoma de Barcelona, 08193 Barcelona, Spain
| | - Sean T. Michaletz
- Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
- Biodiversity Research Centre, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Vanessa Minden
- Department of Biology, Vrije Universiteit Brussel, 1050 Brussels, Belgium
- Institute for Biology and Environmental Sciences, University of Oldenburg, 26129 Oldenburg, Germany
| | - Akira S. Mori
- Graduate School of Environment and Information Sciences, Yokohama National University, Hodogaya, Yokohama 240-8501, Japan
| | - Ülo Niinemets
- Estonian University of Life Sciences, 51006 Tartu, Estonia
| | - Yusuke Onoda
- Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University, Oiwake, Kitashirakawa, Kyoto 606-8502 Japan
| | - Josep Peñuelas
- CREAF, Cerdanyola del Vallès, Barcelona, 08193 Catalonia, Spain
- CSIC, Global Ecology Unit CREAF, CSIC–UAB, Bellaterra, Barcelona, 08193 Catalonia, Spain
| | - Valério D. Pillar
- Department of Ecology, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil
| | - Jan Pisek
- Tartu Observatory, University of Tartu, Tõravere, 61602 Tartumaa, Estonia
| | - Bjorn J. M. Robroek
- Aquatic Ecology & Environmental Biology Group, Radboud Institute for Biological and Environmental Sciences, Faculty of Science, Radboud University Nijmegen, 6525 AJ Nijmegen, The Netherlands
| | - Brandon Schamp
- Department of Biology, Algoma University, Sault Ste. Marie, ON P6A 2G4, Canada
| | - Martijn Slot
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Republic of Panama
| | | | | | - Nelson Thiffault
- Canadian Wood Fibre Centre, Natural Resources Canada, Québec City, QC G1V 4C7, Canada
| | - Peter van Bodegom
- Institute of Environmental Sciences, Leiden University, 2333 CC Leiden, The Netherlands
| | - Fons van der Plas
- Plant Ecology and Nature Conservation Group, Wageningen University, 6700 AA Wageningen, The Netherlands
| | - Ian J. Wright
- Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW 2751, Australia
- School of Natural Sciences, Macquarie University, North Ryde, NSW 2109, Australia
| | - Wu-Bing Xu
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, 8000 Aarhus C, Denmark
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000 Aarhus C, Denmark
- German Centre for Integrative Biodiversity Research (iDiv), 04103 Leipzig, Germany
| | - Jingming Zheng
- Beijing Key Laboratory for Forest Resources and Ecosystem Processes, Beijing Forestry University, Beijing 100083, People’s Republic of China
| | - Brian J. Enquist
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721
- The Santa Fe Institute, Santa Fe, NM 87501
| | - Jens-Christian Svenning
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology, Aarhus University, 8000 Aarhus C, Denmark
- Section for Ecoinformatics & Biodiversity, Department of Biology, Aarhus University, 8000 Aarhus C, Denmark
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23
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Gorel AP, Hardy OJ, Dauby G, Dexter KG, Segovia RA, Steppe K, Fayolle A. Climatic niche lability but growth form conservatism in the African woody flora. Ecol Lett 2022; 25:1164-1176. [PMID: 35229970 DOI: 10.1111/ele.13985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/16/2021] [Accepted: 02/03/2022] [Indexed: 11/30/2022]
Abstract
Climatic niche evolution during the diversification of tropical plants has received little attention in Africa. To address this, we characterised the climatic niche of >4000 tropical African woody species, distinguishing two broad bioclimatic groups (forest vs. savanna) and six subgroups. We quantified niche conservatism versus lability at the genus level and for higher clades, using a molecular phylogeny of >800 genera. Although niche stasis at speciation is prevalent, numerous clades individually cover vast climatic spaces suggesting a general ease in transcending ecological limits, especially across bioclimatic subgroups. The forest biome was the main source of diversity, providing many lineages to savanna, but reverse shifts also occurred. We identified clades that diversified in savanna after shifts from forest. The forest-savanna transition was not consistently associated with a growth form change, though we found evolutionarily labile clades whose presence in forest or savanna is associated respectively with climbing or shrubby species diversification.
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Affiliation(s)
- Anaïs-Pasiphaé Gorel
- Laboratory of Plant Ecology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Olivier J Hardy
- Evolutionary Biology and Ecology, Faculté Des Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Gilles Dauby
- AMAP, Univ. Montpellier, IRD, CNRS, CIRAD, INRAE, Montpellier University, Montpellier, France
| | - Kyle G Dexter
- Tropical School of GeoSciences, University of Edinburgh, Edinburgh, UK.,Tropical Diversity Section, Royal Botanic Garden Edinburgh, Edinburgh, UK
| | - Ricardo A Segovia
- Instituto de Ecologia y Biodiversidad (IEB), Santiago, Chile.,Facultad de Ciencias, Instituto de Ciencias Ambientales y Evolutivas, Kat, Valdivia, Chile
| | - Kathy Steppe
- Laboratory of Plant Ecology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Adeline Fayolle
- Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
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24
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Abstract
One of the most fundamental questions in ecology is how many species inhabit the Earth. However, due to massive logistical and financial challenges and taxonomic difficulties connected to the species concept definition, the global numbers of species, including those of important and well-studied life forms such as trees, still remain largely unknown. Here, based on global ground-sourced data, we estimate the total tree species richness at global, continental, and biome levels. Our results indicate that there are ∼73,000 tree species globally, among which ∼9,000 tree species are yet to be discovered. Roughly 40% of undiscovered tree species are in South America. Moreover, almost one-third of all tree species to be discovered may be rare, with very low populations and limited spatial distribution (likely in remote tropical lowlands and mountains). These findings highlight the vulnerability of global forest biodiversity to anthropogenic changes in land use and climate, which disproportionately threaten rare species and thus, global tree richness.
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25
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Jinga P, Zingoni E, Bobo ED, Munosiyei P. Marula (
Sclerocarya birrea
subsp.
caffra
, Anacardiaceae) thrives under climate change in sub‐Saharan Africa. Afr J Ecol 2022. [DOI: 10.1111/aje.12943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Percy Jinga
- Biological Sciences Department Bindura University of Science Education Bindura Zimbabwe
| | - Emmanuel Zingoni
- Biological Sciences Department Bindura University of Science Education Bindura Zimbabwe
| | - Enetia D. Bobo
- Biological Sciences Department Bindura University of Science Education Bindura Zimbabwe
| | - Pias Munosiyei
- Biological Sciences Department Bindura University of Science Education Bindura Zimbabwe
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26
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Jinga P, Liao Z, Nobis MP. Species distribution modeling that overlooks intraspecific variation is inadequate for proper conservation of marula (Sclerocarya birrea, Anacardiaceae). Glob Ecol Conserv 2021. [DOI: 10.1016/j.gecco.2021.e01908] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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27
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28
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Feng X, Merow C, Liu Z, Park DS, Roehrdanz PR, Maitner B, Newman EA, Boyle BL, Lien A, Burger JR, Pires MM, Brando PM, Bush MB, McMichael CNH, Neves DM, Nikolopoulos EI, Saleska SR, Hannah L, Breshears DD, Evans TP, Soto JR, Ernst KC, Enquist BJ. How deregulation, drought and increasing fire impact Amazonian biodiversity. Nature 2021; 597:516-521. [PMID: 34471291 DOI: 10.1038/s41586-021-03876-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 08/04/2021] [Indexed: 02/08/2023]
Abstract
Biodiversity contributes to the ecological and climatic stability of the Amazon Basin1,2, but is increasingly threatened by deforestation and fire3,4. Here we quantify these impacts over the past two decades using remote-sensing estimates of fire and deforestation and comprehensive range estimates of 11,514 plant species and 3,079 vertebrate species in the Amazon. Deforestation has led to large amounts of habitat loss, and fires further exacerbate this already substantial impact on Amazonian biodiversity. Since 2001, 103,079-189,755 km2 of Amazon rainforest has been impacted by fires, potentially impacting the ranges of 77.3-85.2% of species that are listed as threatened in this region5. The impacts of fire on the ranges of species in Amazonia could be as high as 64%, and greater impacts are typically associated with species that have restricted ranges. We find close associations between forest policy, fire-impacted forest area and their potential impacts on biodiversity. In Brazil, forest policies that were initiated in the mid-2000s corresponded to reduced rates of burning. However, relaxed enforcement of these policies in 2019 has seemingly begun to reverse this trend: approximately 4,253-10,343 km2 of forest has been impacted by fire, leading to some of the most severe potential impacts on biodiversity since 2009. These results highlight the critical role of policy enforcement in the preservation of biodiversity in the Amazon.
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Affiliation(s)
- Xiao Feng
- Department of Geography, Florida State University, Tallahassee, FL, USA.
| | - Cory Merow
- Eversource Energy Center and Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
| | - Zhihua Liu
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
| | - Daniel S Park
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Center for Plant Biology, Purdue University, West Lafayette, IN, USA
| | - Patrick R Roehrdanz
- The Moore Center for Science, Conservation International, Arlington, VA, USA
| | - Brian Maitner
- Eversource Energy Center and Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, USA
| | - Erica A Newman
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA.,Arizona Institutes for Resilience, University of Arizona, Tucson, AZ, USA
| | - Brad L Boyle
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA.,Hardner & Gullison Associates, Amherst, NH, USA
| | - Aaron Lien
- Arizona Institutes for Resilience, University of Arizona, Tucson, AZ, USA.,School of Natural Resources and the Environment, University of Arizona, Tucson, AZ, USA
| | - Joseph R Burger
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA.,Arizona Institutes for Resilience, University of Arizona, Tucson, AZ, USA.,Department of Biology, University of Kentucky, Lexington, KY, USA
| | - Mathias M Pires
- Departamento de Biologia Animal, Universidade Estadual de Campinas, Campinas, Brazil
| | - Paulo M Brando
- Department of Earth System Science, University of California, Irvine, Irvine, CA, USA.,Woodwell Climate Research Center, Falmouth, MA, USA.,Instituto de Pesquisa Ambiental da Amazônia (IPAM), Brasilia, Brazil
| | - Mark B Bush
- Insitute for Global Ecology, Florida Institute of Technology, Melbourne, FL, USA
| | - Crystal N H McMichael
- Department of Ecosystem and Landscape Dynamics, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands
| | - Danilo M Neves
- Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Efthymios I Nikolopoulos
- Department of Mechanical and Civil Engineering, Florida Institute of Technology, Melbourne, FL, USA
| | - Scott R Saleska
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
| | - Lee Hannah
- The Moore Center for Science, Conservation International, Arlington, VA, USA
| | - David D Breshears
- School of Natural Resources and the Environment, University of Arizona, Tucson, AZ, USA
| | - Tom P Evans
- School of Geography, Development and Environment, University of Arizona, Tucson, AZ, USA
| | - José R Soto
- School of Natural Resources and the Environment, University of Arizona, Tucson, AZ, USA
| | - Kacey C Ernst
- Department of Epidemiology and Biostatistics, College of Public Health, University of Arizona, Tucson, AZ, USA
| | - Brian J Enquist
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA.,The Santa Fe Institute, Santa Fe, NM, USA
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29
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30
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Zu K, Wang Z, Zhu X, Lenoir J, Shrestha N, Lyu T, Luo A, Li Y, Ji C, Peng S, Meng J, Zhou J. Upward shift and elevational range contractions of subtropical mountain plants in response to climate change. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 783:146896. [PMID: 33866165 DOI: 10.1016/j.scitotenv.2021.146896] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 03/07/2021] [Accepted: 03/28/2021] [Indexed: 06/12/2023]
Abstract
Elevational range shifts of mountain species in response to climate change have profound impact on mountain biodiversity. However, current evidence indicates great controversies in the direction and magnitude of elevational range shifts across species and regions. Here, using historical and recent occurrence records of 83 plant species in a subtropical mountain, Mt. Gongga (Sichuan, China), we evaluated changes in species elevation centroids and limits (upper and lower) along elevational gradients, and explored the determinants of elevational changes. We found that 63.9% of the species shifted their elevation centroids upward, while 22.9% shifted downward. The changes in centroid elevations and range size were more strongly correlated with changes in lower than upper limits of species elevational ranges. The magnitude of centroid elevation shifts was larger than predicted by climate warming and precipitation changes. Our results show complex changes in species elevational distributions and range sizes in Mt. Gongga, and that climate change, species traits and climate adaptation of species all influenced their elevational movement. As Mt. Gongga is one of the global biodiversity hotspots, and contains many threatened plant species, these findings provide support to future conservation planning.
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Affiliation(s)
- Kuiling Zu
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China; State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Zhiheng Wang
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
| | - Xiangyun Zhu
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Jonathan Lenoir
- UR "Ecologie et Dynamique des Systèmes Anthropisés" (EDYSAN, UMR 7058 CNRS-UPJV), Université de Picardie Jules Verne, 1 Rue des Louvels, 80037 Amiens Cedex 1, France
| | - Nawal Shrestha
- State Key Laboratory of Grassland Agroecosystem, Institute of Innovation Ecology, Lanzhou University, Lanzhou 730000, China
| | - Tong Lyu
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Ao Luo
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Yaoqi Li
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Chengjun Ji
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Shijia Peng
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Jiahui Meng
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Jian Zhou
- Institute of Ecology and Key Laboratory for Earth Surface Processes of the Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
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31
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Piñeiro R, Hardy OJ, Tovar C, Gopalakrishnan S, Garrett Vieira F, Gilbert MTP. Contrasting genetic signal of recolonization after rainforest fragmentation in African trees with different dispersal abilities. Proc Natl Acad Sci U S A 2021; 118:e2013979118. [PMID: 34210795 PMCID: PMC8271564 DOI: 10.1073/pnas.2013979118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Although today the forest cover is continuous in Central Africa, this may have not always been the case, as the scarce fossil record in this region suggests that arid conditions might have significantly reduced tree density during the ice ages. Our aim was to investigate whether the dry ice age periods left a genetic signature on tree species that can be used to infer the date of the past fragmentation of the rainforest. We sequenced reduced representation libraries of 182 samples representing five widespread legume trees and seven outgroups. Phylogenetic analyses identified an early divergent lineage for all species in West Africa (Upper Guinea) and two clades in Central Africa: Lower Guinea-North and Lower Guinea-South. As the structure separating the Northern and Southern clades-congruent across species-cannot be explained by geographic barriers, we tested other hypotheses with demographic model testing using δαδι. The best estimates indicate that the two clades split between the Upper Pliocene and the Pleistocene, a date compatible with forest fragmentation driven by ice age climatic oscillations. Furthermore, we found remarkably older split dates for the shade-tolerant tree species with nonassisted seed dispersal than for light-demanding species with long-distance wind-dispersed seeds. Different recolonization abilities after recurrent cycles of forest fragmentation seem to explain why species with long-distance dispersal show more recent genetic admixture between the two clades than species with limited seed dispersal. Despite their old history, our results depict the African rainforests as a dynamic biome where tree species have expanded relatively recently after the last glaciation.
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Affiliation(s)
- Rosalía Piñeiro
- The GLOBE Institute, University of Copenhagen, 1353 Copenhagen, Denmark;
- Unit of Evolutionary Biology and Ecology, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
- Geography, College of Life and Environmental Sciences, CLES, University of Exeter, Exeter EX4 4RJ, United Kingdom
| | - Olivier J Hardy
- Unit of Evolutionary Biology and Ecology, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
| | - Carolina Tovar
- Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond TW9 3AB, United Kingdom
| | | | | | - M Thomas P Gilbert
- The GLOBE Institute, University of Copenhagen, 1353 Copenhagen, Denmark
- University Museum, Norwegian University of Science and Technology, N-7491 Trondheim, Norway
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32
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Zu P, Koch H, Schwery O, Pironon S, Phillips C, Ondo I, Farrell IW, Nes WD, Moore E, Wright GA, Farman DI, Stevenson PC. Pollen sterols are associated with phylogeny and environment but not with pollinator guilds. THE NEW PHYTOLOGIST 2021; 230:1169-1184. [PMID: 33484583 PMCID: PMC8653887 DOI: 10.1111/nph.17227] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/14/2021] [Indexed: 06/01/2023]
Abstract
Phytosterols are primary plant metabolites that have fundamental structural and regulatory functions. They are also essential nutrients for phytophagous insects, including pollinators, that cannot synthesize sterols. Despite the well-described composition and diversity in vegetative plant tissues, few studies have examined phytosterol diversity in pollen. We quantified 25 pollen phytosterols in 122 plant species (105 genera, 51 families) to determine their composition and diversity across plant taxa. We searched literature and databases for plant phylogeny, environmental conditions, and pollinator guilds of the species to examine the relationships with pollen sterols. 24-methylenecholesterol, sitosterol and isofucosterol were the most common and abundant pollen sterols. We found phylogenetic clustering of twelve individual sterols, total sterol content and sterol diversity, and of sterol groupings that reflect their underlying biosynthesis pathway (C-24 alkylation, ring B desaturation). Plants originating in tropical-like climates (higher mean annual temperature, lower temperature seasonality, higher precipitation in wettest quarter) were more likely to record higher pollen sterol content. However, pollen sterol composition and content showed no clear relationship with pollinator guilds. Our study is the first to show that pollen sterol diversity is phylogenetically clustered and that pollen sterol content may adapt to environmental conditions.
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Affiliation(s)
- Pengjuan Zu
- Royal Botanic GardensKew, Natural Capital and Plant Health DepartmentRichmondSurreyTW9 3ABUK
- Department Fish Ecology and EvolutionSwiss Federal Institute of Aquatic Science and TechnologySeestrasse 79KastanienbaumCH‐6047Switzerland
| | - Hauke Koch
- Royal Botanic GardensKew, Natural Capital and Plant Health DepartmentRichmondSurreyTW9 3ABUK
| | - Orlando Schwery
- New Mexico Consortium4200 W. Jemez Rd, Suite 301Los AlamosNM87544USA
| | - Samuel Pironon
- Royal Botanic GardensKew, Biodiversity Informatics and Spatial Analysis DepartmentRichmondSurreyTW9 3ABUK
| | - Charlotte Phillips
- Royal Botanic GardensKew, Biodiversity Informatics and Spatial Analysis DepartmentRichmondSurreyTW9 3ABUK
- Royal Botanic GardensKew, Conservation Science DepartmentWakehurst PlaceArdinglyWest SussexRH17 6TNUK
| | - Ian Ondo
- Royal Botanic GardensKew, Biodiversity Informatics and Spatial Analysis DepartmentRichmondSurreyTW9 3ABUK
| | - Iain W. Farrell
- Royal Botanic GardensKew, Natural Capital and Plant Health DepartmentRichmondSurreyTW9 3ABUK
| | - W. David Nes
- Department of Chemistry & BiochemistryTexas Tech UniversityLubbockTX79424USA
| | - Elynor Moore
- Department of ZoologyUniversity of Oxford11a Mansfield RoadOxfordOX1 3SZUK
| | | | - Dudley I. Farman
- Natural Resources InstituteUniversity of GreenwichChatham, KentME4 4TBUK
| | - Philip C. Stevenson
- Royal Botanic GardensKew, Natural Capital and Plant Health DepartmentRichmondSurreyTW9 3ABUK
- Natural Resources InstituteUniversity of GreenwichChatham, KentME4 4TBUK
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33
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Unveiling African rainforest composition and vulnerability to global change. Nature 2021; 593:90-94. [PMID: 33883743 DOI: 10.1038/s41586-021-03483-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 03/22/2021] [Indexed: 11/08/2022]
Abstract
Africa is forecasted to experience large and rapid climate change1 and population growth2 during the twenty-first century, which threatens the world's second largest rainforest. Protecting and sustainably managing these African forests requires an increased understanding of their compositional heterogeneity, the environmental drivers of forest composition and their vulnerability to ongoing changes. Here, using a very large dataset of 6 million trees in more than 180,000 field plots, we jointly model the distribution in abundance of the most dominant tree taxa in central Africa, and produce continuous maps of the floristic and functional composition of central African forests. Our results show that the uncertainty in taxon-specific distributions averages out at the community level, and reveal highly deterministic assemblages. We uncover contrasting floristic and functional compositions across climates, soil types and anthropogenic gradients, with functional convergence among types of forest that are floristically dissimilar. Combining these spatial predictions with scenarios of climatic and anthropogenic global change suggests a high vulnerability of the northern and southern forest margins, the Atlantic forests and most forests in the Democratic Republic of the Congo, where both climate and anthropogenic threats are expected to increase sharply by 2085. These results constitute key quantitative benchmarks for scientists and policymakers to shape transnational conservation and management strategies that aim to provide a sustainable future for central African forests.
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34
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Harris T, Mulligan M, Brummitt N. Opportunities and challenges for herbaria in studying the spatial variation in plant functional diversity. SYST BIODIVERS 2021. [DOI: 10.1080/14772000.2021.1887394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Timothy Harris
- Department of Life Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK
- Department of Geography, King’s College London, 30 Aldwych, London, WC2B 4BG, UK
| | - Mark Mulligan
- Department of Geography, King’s College London, 30 Aldwych, London, WC2B 4BG, UK
| | - Neil Brummitt
- Department of Life Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK
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35
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Maicher V, Delabye S, Murkwe M, Doležal J, Altman J, Kobe IN, Desmist J, Fokam EB, Pyrcz T, Tropek R. Effects of disturbances by forest elephants on diversity of trees and insects in tropical rainforests on Mount Cameroon. Sci Rep 2020; 10:21618. [PMID: 33303812 PMCID: PMC7729851 DOI: 10.1038/s41598-020-78659-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/24/2020] [Indexed: 11/20/2022] Open
Abstract
Natural disturbances are essential for tropical forests biodiversity. In the Afrotropics, megaherbivores have played a key role before their recent decline. Contrastingly to savanna elephants, forest elephants’ impact on ecosystems remains poorly studied. Few decades ago, forests on Mount Cameroon were divided by lava flows, not being crossed by a local population of forest elephants until now. We assessed communities of trees, butterflies and two guilds of moths in the disturbed and undisturbed forests split by the longest lava flow. We surveyed 32 plots, recording 2025 trees of 97 species, and 7853 insects of 437 species. The disturbed forests differed in reduced tree density, height, and high canopy cover, and in increased DBH. Forest elephants’ selective browsing and foraging also decreased tree species richness and altered their composition. The elephant disturbance increased butterfly species richness and had various effects on species richness and composition of the insect groups. These changes were likely caused by disturbance-driven alterations of habitats and species composition of trees. Moreover, the abandonment of forests by elephants led to local declines of range-restricted butterflies. The recent declines of forest elephants across the Afrotropics probably caused similar changes in forest biodiversity and should be reflected by conservation actions.
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Affiliation(s)
- Vincent Maicher
- Institute of Entomology, Biology Centre, Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic. .,Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic. .,Nicholas School of the Environment, Duke University, 9 Circuit Dr., Durham, NC, 27710, USA.
| | - Sylvain Delabye
- Institute of Entomology, Biology Centre, Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.,Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic
| | - Mercy Murkwe
- Department of Zoology and Animal Physiology, Faculty of Science, University of Buea, P.O. Box 63, Buea, Cameroon.,Department of Ecology, Faculty of Science, Charles University, Vinicna 7, 12844, Prague, Czech Republic
| | - Jiří Doležal
- Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic.,Institute of Botany, Czech Academy of Sciences, Dukelska 135, 37982, Trebon, Czech Republic
| | - Jan Altman
- Institute of Botany, Czech Academy of Sciences, Dukelska 135, 37982, Trebon, Czech Republic
| | - Ishmeal N Kobe
- Department of Ecology, Faculty of Science, Charles University, Vinicna 7, 12844, Prague, Czech Republic
| | - Julie Desmist
- Institute of Entomology, Biology Centre, Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.,University Paris-Saclay, 15 rue Georges Clemenceau, 91400, Orsay, France
| | - Eric B Fokam
- Department of Zoology and Animal Physiology, Faculty of Science, University of Buea, P.O. Box 63, Buea, Cameroon
| | - Tomasz Pyrcz
- Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30387, Krakow, Poland.,Nature Education Centre of the Jagiellonian University, Gronostajowa 5, 30387, Krakow, Poland
| | - Robert Tropek
- Institute of Entomology, Biology Centre, Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic. .,Department of Ecology, Faculty of Science, Charles University, Vinicna 7, 12844, Prague, Czech Republic.
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De Souza Cortez MB, Folk RA, Grady CJ, Spoelhof JP, Smith SA, Soltis DE, Soltis PS. Is the age of plant communities predicted by the age, stability and soil composition of the underlying landscapes? An investigation of OCBILs. Biol J Linn Soc Lond 2020. [DOI: 10.1093/biolinnean/blaa174] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Old, climatically buffered, infertile landscapes (OCBILs) have been hypothesized to harbour an elevated number of persistent plant lineages and are predicted to occur across different parts of the globe, interspersed with other types of landscapes. We tested whether the mean age of a plant community is associated with occurrence on OCBILs, as predicted by climatic stability and poor soil environments. Using digitized occurrence data for seed plants occurring in Australia (7033 species), sub-Saharan Africa (3990 species) and South America (44 482 species), regions that comprise commonly investigated OCBILs (Southwestern Australian Floristic Region, Greater Cape Floristic Region and campos rupestres), and phylogenies pruned to match the species occurrences, we tested for associations between environmental data (current climate, soil composition, elevation and climatic stability) and two novel metrics developed here that capture the age of a community (mean tip length and mean node height). Our results indicate that plant community ages are influenced by a combination of multiple environmental predictors that vary globally; we did not find statistically strong associations between the environments of OCBIL areas and community age, in contrast to the prediction for these landscapes. The Cape Floristic Region was the only OCBIL that showed a significant, although not strong, overlap with old communities.
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Affiliation(s)
- Maria Beatriz De Souza Cortez
- Department of Biology, University of Florida, Gainesville, FL, USA
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
| | - Ryan A Folk
- Department of Biological Sciences, Mississippi State University, Starkville, MS, USA
| | - Charles J Grady
- Biodiversity Institute & Natural History Museum, University of Kansas, Lawrence, KS, USA
| | - Jonathan P Spoelhof
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
| | - Stephen A Smith
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Douglas E Soltis
- Department of Biology, University of Florida, Gainesville, FL, USA
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
- Genetics Institute, University of Florida, Gainesville, FL, USA
- Biodiversity Institute, University of Florida, Gainesville, FL, USA
| | - Pamela S Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
- Genetics Institute, University of Florida, Gainesville, FL, USA
- Biodiversity Institute, University of Florida, Gainesville, FL, USA
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37
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Bellot S, Bayton RP, Couvreur TLP, Dodsworth S, Eiserhardt WL, Guignard MS, Pritchard HW, Roberts L, Toorop PE, Baker WJ. On the origin of giant seeds: the macroevolution of the double coconut (Lodoicea maldivica) and its relatives (Borasseae, Arecaceae). THE NEW PHYTOLOGIST 2020; 228:1134-1148. [PMID: 32544251 PMCID: PMC7590125 DOI: 10.1111/nph.16750] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 05/29/2020] [Indexed: 05/25/2023]
Abstract
Seed size shapes plant evolution and ecosystems, and may be driven by plant size and architecture, dispersers, habitat and insularity. How these factors influence the evolution of giant seeds is unclear, as are the rate of evolution and the biogeographical consequences of giant seeds. We generated DNA and seed size data for the palm tribe Borasseae (Arecaceae) and its relatives, which show a wide diversity in seed size and include the double coconut (Lodoicea maldivica), the largest seed in the world. We inferred their phylogeny, dispersal history and rates of change in seed size, and evaluated the possible influence of plant size, inflorescence branching, habitat and insularity on these changes. Large seeds were involved in 10 oceanic dispersals. Following theoretical predictions, we found that: taller plants with fewer-branched inflorescences produced larger seeds; seed size tended to evolve faster on islands (except Madagascar); and seeds of shade-loving Borasseae tended to be larger. Plant size and inflorescence branching may constrain seed size in Borasseae and their relatives. The possible roles of insularity, habitat and dispersers are difficult to disentangle. Evolutionary contingencies better explain the gigantism of the double coconut than unusually high rates of seed size increase.
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Affiliation(s)
| | - Ross P. Bayton
- Royal Botanic Gardens, KewRichmond, SurreyTW9 3AEUK
- Department of Biological SciencesUniversity of ReadingWhiteknightsPO Box 217Reading, BerkshireRG6 6AHUK
| | | | - Steven Dodsworth
- Royal Botanic Gardens, KewRichmond, SurreyTW9 3AEUK
- School of Life SciencesUniversity of BedfordshireLutonLU1 3JUUK
| | - Wolf L. Eiserhardt
- Royal Botanic Gardens, KewRichmond, SurreyTW9 3AEUK
- Department of BiologyAarhus UniversityNy Munkegade 116Aarhus C8000Denmark
| | | | - Hugh W. Pritchard
- Royal Botanic Gardens, KewWakehurst Place, Wellcome Trust Millennium BuildingArdinglyWest SussexRH17 6TNUK
| | - Lucy Roberts
- Department of ZoologyUniversity of CambridgeDowning StreetCambridgeCB2 3EJUK
| | - Peter E. Toorop
- Royal Botanic Gardens, KewWakehurst Place, Wellcome Trust Millennium BuildingArdinglyWest SussexRH17 6TNUK
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Latitudinal shift in the timing of flowering of tree species across tropical Africa: insights from field observations and herbarium collections. JOURNAL OF TROPICAL ECOLOGY 2020. [DOI: 10.1017/s0266467420000103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractTemporal and spatial patterns in flowering phenology were assessed for eight tropical African tree species. Specifically, the frequency and seasonality of flowering at seven sites in central Africa were determined using field data, graphical analysis and circular statistics. Additionally, spatial variation in the timing of flowering across species range was investigated using herbarium data, analysing the relative influence of latitude, longitude and timing of the dry season with a Bayesian circular generalized linear model. Annual flowering was found for 20 out of the 25 populations studied. For 21 populations located at the north of the climatic hinge flowering was occurring during the dry season. The analysis of herbarium collections revealed a significant shift in the timing of flowering with latitude for E. suaveolens, and with the timing of the dry season for M. excelsa (and to a lesser extent L. alata), with the coexistence of two flowering peaks near the equator where the distribution of monthly rainfall is bimodal. For the other species, none of latitude, longitude or timing of the dry season had an effect on the timing of flowering. Our study highlights the need to identify the drivers of the flowering phenology of economically important African tree species.
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Adjonou K, Abotsi KE, Segla KN, Rabiou H, Houetchegnon T, Sourou KNB, Johnson BN, Ouinsavi CAIN, Kokutse AD, Mahamane A, Kokou K. Vulnerability of African Rosewood ( Pterocarpus erinaceus, Fabaceae) natural stands to climate change and implications for silviculture in West Africa. Heliyon 2020; 6:e04031. [PMID: 32518851 PMCID: PMC7270547 DOI: 10.1016/j.heliyon.2020.e04031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/13/2020] [Accepted: 05/18/2020] [Indexed: 11/28/2022] Open
Abstract
Pterocarpus erinaceus is a native tree species of the Guineo-Sudanian and Sudano-Sahelian zones where natural stands are under constant pressure and heavily exploited for timber, animal feeding and others uses. A part from the overexploitation, climate change could also become a serious threat to the species natural distribution. For that purposes, this study aims to assess the vulnerability of P. erinaceus potential niche to climate change within its natural distribution area in West Africa. Niche predictions are based on 6,981 natural occurrence of the species and 19 global bioclimatic variables available through WorldClim. The future niche of the species is predicted according to three concentration pathways (RCPs 2.6, 4.5 and 8.5) of BC model for 2050 and 2070, thanks to Maxent software. P. erinaceus is currently reported from Senegal to Cameroon. Its potential niche covers the Sudano-Sahelian zone and the Dahomey gap on approximately 17.42% of the total area of these countries. In general, the niche of the species is not sensitive to climate change, regardless of the climate scenario and the year. Compared to its initial niche, the niche of the species will increase from 22.33% to 43.61% in 2050 and from 27.12% to 53.61% in 2070. However, this ecological expansion observed mainly in the Gulf of Guinea, will be associated with a considerable decrease in the Sahel and central Nigeria. This study shows the importance of promoting the development of innovative silvicultural strategies for the extension and restoration of natural stands of P. erinaceus in order to meet sustainably the timber needs of the West African region. It helps also to strengthening the roles of natural forests in providing ecosystem services and mitigating climate change effects.
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Affiliation(s)
- Kossi Adjonou
- Laboratory of Forest Research, Faculty of Sciences, University of Lomé (Togo), Lomé, Togo
| | - Komla Elikplim Abotsi
- Laboratory of Forest Research, Faculty of Sciences, University of Lomé (Togo), Lomé, Togo
| | - Kossi Novinyo Segla
- Laboratory of Forest Research, Faculty of Sciences, University of Lomé (Togo), Lomé, Togo
| | - Habou Rabiou
- Faculty of Agronomic Sciences, University of Diffa, Diffa, Niger
| | - Towanou Houetchegnon
- Laboratory of Forestry Studies and Research, Faculty of Agronomy, University of Parakou, Parakou, Benin
| | - K N Bienvenue Sourou
- Laboratory of Forestry Studies and Research, Faculty of Agronomy, University of Parakou, Parakou, Benin
| | | | | | - Adzo Dzifa Kokutse
- Laboratory of Forest Research, Faculty of Sciences, University of Lomé (Togo), Lomé, Togo
| | - Ali Mahamane
- Faculty of Agronomic Sciences, University of Diffa, Diffa, Niger
| | - Kouami Kokou
- Laboratory of Forest Research, Faculty of Sciences, University of Lomé (Togo), Lomé, Togo
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40
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Dagallier LMJ, Janssens SB, Dauby G, Blach‐Overgaard A, Mackinder BA, Droissart V, Svenning J, Sosef MSM, Stévart T, Harris DJ, Sonké B, Wieringa JJ, Hardy OJ, Couvreur TLP. Cradles and museums of generic plant diversity across tropical Africa. THE NEW PHYTOLOGIST 2020; 225:2196-2213. [PMID: 31665816 PMCID: PMC7027791 DOI: 10.1111/nph.16293] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 10/20/2019] [Indexed: 05/27/2023]
Abstract
Determining where species diversify (cradles) and persist (museums) over evolutionary time is fundamental to understanding the distribution of biodiversity and for conservation prioritization. Here, we identify cradles and museums of angiosperm generic diversity across tropical Africa, one of the most biodiverse regions on Earth. Regions containing nonrandom concentrations of young (neo-) and old (paleo-) endemic taxa were identified using distribution data of 1719 genera combined with a newly generated time-calibrated mega-phylogenetic tree. We then compared the identified regions with the current network of African protected areas (PAs). At the generic level, phylogenetic diversity and endemism are mainly concentrated in the biogeographically complex region of Eastern Africa. We show that mountainous areas are centres of both neo- and paleo-endemism. By contrast, the Guineo-Congolian lowland rain forest region is characterized by widespread and old lineages. We found that the overlap between centres of phylogenetic endemism and PAs is high (> 85%). We show the vital role played by mountains acting simultaneously as cradles and museums of tropical African plant biodiversity. By contrast, lowland rainforests act mainly as museums for generic diversity. Our study shows that incorporating large-scale taxonomically verified distribution datasets and mega-phylogenies lead to an improved understanding of tropical plant biodiversity evolution.
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Affiliation(s)
| | | | - Gilles Dauby
- AMAP, IRD, CIRAD, CNRS, INRAUniversity of MontpellierBd de la Lironde34398MontpellierFrance
| | - Anne Blach‐Overgaard
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE)Department of BioscienceAarhus UniversityNy Munkegade 114DK‐8000Aarhus CDenmark
- Section for Ecoinformatics and BiodiversityDepartment of BioscienceAarhus UniversityNy Munkegade 114DK‐8000Aarhus CDenmark
| | | | - Vincent Droissart
- AMAP, IRD, CIRAD, CNRS, INRAUniversity of MontpellierBd de la Lironde34398MontpellierFrance
| | - Jens‐Christian Svenning
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE)Department of BioscienceAarhus UniversityNy Munkegade 114DK‐8000Aarhus CDenmark
- Section for Ecoinformatics and BiodiversityDepartment of BioscienceAarhus UniversityNy Munkegade 114DK‐8000Aarhus CDenmark
| | | | - Tariq Stévart
- Meise Botanic GardenNieuwelaan 38BE‐1860MeiseBelgium
- Herbarium et Bibliothèque de Botanique AfricaineUniversité Libre de BruxellesBoulevard du TriompheB‐1050BruxellesBelgium
- Africa & Madagascar DepartmentMissouri Botanical GardenSt LouisMO631109USA
| | - David J. Harris
- Royal Botanic Garden Edinburgh20A Inverleith RowEdinburghEH3 5LRUK
| | - Bonaventure Sonké
- Laboratoire de Botanique systématique et d'ÉcologieDépartement des Sciences BiologiquesÉcole Normale SupérieureUniversité de Yaoundé IBP 047YaoundéCameroon
| | - Jan J. Wieringa
- Naturalis Biodiversity CenterDarwinweg 22333 CRLeidenthe Netherlands
| | - Olivier J. Hardy
- Evolutionary Biology and EcologyFaculté des SciencesUniversité Libre de BruxellesAv. F.D. Roosevelt 501050BrusselsBelgium
| | - Thomas L. P. Couvreur
- DIADE, IRDUniversity of Montpellier911 Avenue Agropolis34394MontpellierFrance
- Naturalis Biodiversity CenterDarwinweg 22333 CRLeidenthe Netherlands
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41
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BDcleaner: A workflow for cleaning taxonomic and geographic errors in occurrence data archived in biodiversity databases. Glob Ecol Conserv 2020. [DOI: 10.1016/j.gecco.2019.e00852] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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42
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Asase A, Sainge MN, Radji RA, Ugbogu OA, Peterson AT. A new model for efficient, need-driven progress in generating primary biodiversity information resources. APPLICATIONS IN PLANT SCIENCES 2020; 8:e11318. [PMID: 31993260 PMCID: PMC6976889 DOI: 10.1002/aps3.11318] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
PREMISE The field of biodiversity informatics has developed rapidly in recent years, with broad availability of large-scale information resources. However, online biodiversity information is biased spatially as a result of slow and uneven capture and digitization of existing data resources. The West African Plants Initiative approach to data capture is a prototype of a novel solution to the problems of the traditional model, in which the institutional "owner" of the specimens is responsible for digital capture of associated data. METHODS We developed customized workflows for data capture in formats directly and permanently useful to the "owner" herbarium, and digitized significant numbers of new biodiversity records, adding to the information available for the plants of the region. RESULTS In all, 190,953 records of species in 1965 genera and 331 families were captured by mid-2018. These data records covered 16 West African countries, with most of the records (10,000-99,999) from Côte d'Ivoire, Ghana, Togo, Nigeria, and Cameroon, and the fewest data records from Mauritania (<100 records). The West African Plants Initiative has increased available digital accessible knowledge records for West African plants by about 54%. Several of the project institutions have put initial project data online as part of their Global Biodiversity Information Facility data contributions. The average cost of data capture ranged from US$0.50-1.00 per herbarium sheet. DISCUSSION Data capture has been cost-effective because it is much less expensive than de novo field collections, allows for development of information resources even for regions in which political situations make contemporary field sampling impossible, and provides a historical baseline against which to compare newer data as they become available. This new paradigm in specimen digitization has considerable promise to accelerate and improve the process of generating high-quality biodiversity information, and can be replicated and applied in many biodiversity-rich, information-poor regions to remedy the present massive gaps in information availability.
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Affiliation(s)
- Alex Asase
- Department of Plant and Environmental BiologyUniversity of GhanaP.O. Box LG 55LegonGhana
| | - Moses N. Sainge
- Tropical Plant Exploration Group (TroPEG)P.O. Box 18MundembaCameroon
| | | | - Omokafe A. Ugbogu
- Forestry Research Institute of NigeriaPMB 5054, Jericho HillsIbadanNigeria
| | - A. Townsend Peterson
- Biodiversity Institute, and Department of Ecology and Evolutionary BiologyUniversity of KansasLawrenceKansasUSA
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Enquist BJ, Feng X, Boyle B, Maitner B, Newman EA, Jørgensen PM, Roehrdanz PR, Thiers BM, Burger JR, Corlett RT, Couvreur TLP, Dauby G, Donoghue JC, Foden W, Lovett JC, Marquet PA, Merow C, Midgley G, Morueta-Holme N, Neves DM, Oliveira-Filho AT, Kraft NJB, Park DS, Peet RK, Pillet M, Serra-Diaz JM, Sandel B, Schildhauer M, Šímová I, Violle C, Wieringa JJ, Wiser SK, Hannah L, Svenning JC, McGill BJ. The commonness of rarity: Global and future distribution of rarity across land plants. SCIENCE ADVANCES 2019; 5:eaaz0414. [PMID: 31807712 PMCID: PMC6881168 DOI: 10.1126/sciadv.aaz0414] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 11/04/2019] [Indexed: 05/21/2023]
Abstract
A key feature of life's diversity is that some species are common but many more are rare. Nonetheless, at global scales, we do not know what fraction of biodiversity consists of rare species. Here, we present the largest compilation of global plant diversity to quantify the fraction of Earth's plant biodiversity that are rare. A large fraction, ~36.5% of Earth's ~435,000 plant species, are exceedingly rare. Sampling biases and prominent models, such as neutral theory and the k-niche model, cannot account for the observed prevalence of rarity. Our results indicate that (i) climatically more stable regions have harbored rare species and hence a large fraction of Earth's plant species via reduced extinction risk but that (ii) climate change and human land use are now disproportionately impacting rare species. Estimates of global species abundance distributions have important implications for risk assessments and conservation planning in this era of rapid global change.
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Affiliation(s)
- Brian J. Enquist
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
- Santa Fe Institute, 1399 Hyde Park Rd., Santa Fe, NM 87501, USA
| | - Xiao Feng
- Institute of the Environment, University of Arizona, Tucson, AZ 85721, USA
| | - Brad Boyle
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
| | - Brian Maitner
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
| | - Erica A. Newman
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
- Institute of the Environment, University of Arizona, Tucson, AZ 85721, USA
| | | | - Patrick R. Roehrdanz
- Betty and Gordon Moore Center for Science, Conservation International, 2011 Crystal Dr., Arlington, VA 22202, USA
| | - Barbara M. Thiers
- New York Botanical Garden, 2900 Southern Blvd., Bronx, NY 10348, USA
| | - Joseph R. Burger
- Institute of the Environment, University of Arizona, Tucson, AZ 85721, USA
| | - Richard T. Corlett
- Centre for Integrative Conservation, Xishuangbanna Tropical Botanical Garden and Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, China
| | | | - Gilles Dauby
- AMAP, IRD, CIRAD, CNRS, INRA, Université Montpellier, Montpellier, France
| | | | - Wendy Foden
- Cape Research Centre, South African National Parks, Tokai, 7947 Cape Town, South Africa
| | - Jon C. Lovett
- School of Geography, University of Leeds, Leeds, UK
- Royal Botanic Gardens, Kew, Richmond, Surrey, UK
| | - Pablo A. Marquet
- Santa Fe Institute, 1399 Hyde Park Rd., Santa Fe, NM 87501, USA
- Departamento de Ecología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, CP 8331150 Santiago, Chile
- Instituto de Ecología y Biodiversidad (IEB), Laboratorio Internacional de Cambio Global and Centro de Cambio Global UC, Chile
| | - Cory Merow
- Department of Ecology and Evolutionary Biology, University of Connecticut, CT 06269, USA
| | - Guy Midgley
- Department of Botany and Zoology, Stellenbosch University, Stellenbosch, South Africa
| | - Naia Morueta-Holme
- Center for Macroecology, Evolution and University of Copenhagen, Universitetsparken 15, Building 3, DK-2100 Copenhagen Ø, Denmark
| | - Danilo M. Neves
- Department of Botany, Federal University of Minas Gerais, Belo Horizonte 31270-901, Minas Gerais, Brazil
| | - Ary T. Oliveira-Filho
- Department of Botany, Federal University of Minas Gerais, Belo Horizonte 31270-901, Minas Gerais, Brazil
| | - Nathan J. B. Kraft
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Daniel S. Park
- Department of Organismic and Evolutionary Biology, Harvard University, MA 02138, USA
| | - Robert K. Peet
- Department of Biology, University of North Carolina, NC 27599, USA
| | - Michiel Pillet
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
| | | | - Brody Sandel
- Department of Biology, Santa Clara University, Santa Clara, CA 95053, USA
| | - Mark Schildhauer
- National Center for Ecological Analysis and Synthesis, Santa Barbara, CA 93101, USA
| | - Irena Šímová
- Centre for Theoretical Study, Charles University, Prague 1, Czech Republic
- Department of Ecology, Faculty of Sciences, Charles University, Czech Republic
| | - Cyrille Violle
- Université Montpellier, CNRS, EPHE, IRD, Université Paul Valéry Montpellier 3, Montpellier, France
| | - Jan J. Wieringa
- Naturalis Biodiversity Center, Darwinweg 2, Leiden, Netherlands
| | | | - Lee Hannah
- Betty and Gordon Moore Center for Science, Conservation International, 2011 Crystal Dr., Arlington, VA 22202, USA
| | - Jens-Christian Svenning
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE) and Section for Ecoinformatics and Biodiversity, Department of Bioscience, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
| | - Brian J. McGill
- School of Biology and Ecology and Senator George J. Mitchell Center of Sustainability Solutions, University of Maine, Orono, ME 04469, USA
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Stévart T, Dauby G, Lowry PP, Blach-Overgaard A, Droissart V, Harris DJ, Mackinder BA, Schatz GE, Sonké B, Sosef MSM, Svenning JC, Wieringa JJ, Couvreur TLP. A third of the tropical African flora is potentially threatened with extinction. SCIENCE ADVANCES 2019; 5:eaax9444. [PMID: 31799397 PMCID: PMC6867875 DOI: 10.1126/sciadv.aax9444] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 09/20/2019] [Indexed: 05/19/2023]
Abstract
Preserving tropical biodiversity is an urgent challenge when faced with the growing needs of countries. Despite their crucial importance for terrestrial ecosystems, most tropical plant species lack extinction risk assessments, limiting our ability to identify conservation priorities. Using a novel approach aligned with IUCN Red List criteria, we conducted a continental-scale preliminary conservation assessment of 22,036 vascular plant species in tropical Africa. Our results underline the high level of extinction risk of the tropical African flora. Thirty-three percent of the species are potentially threatened with extinction, and another third of species are likely rare, potentially becoming threatened in the near future. Four regions are highlighted with a high proportion (>40%) of potentially threatened species: Ethiopia, West Africa, central Tanzania, and southern Democratic Republic of the Congo. Our approach represents a first step toward data-driven conservation assessments applicable at continental scales providing crucial information for sustainable economic development prioritization.
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Affiliation(s)
- T. Stévart
- Missouri Botanical Garden, Africa & Madagascar Department, P.O. Box 299, St. Louis, MO 63166-0299, USA
- Herbarium et Bibliothèque de Botanique Africaine, Université Libre de Bruxelles, Boulevard du Triomphe, B-1050 Bruxelles, Belgium
- Botanic Garden Meise, Nieuwelaan 38, BE-1860 Meise, Belgium
| | - G. Dauby
- AMAP Lab, IRD, CIRAD, CNRS, INRA, Univ Montpellier, Montpellier, France
- Laboratoire d’Évolution biologique et Écologie, Faculté des Sciences, Université Libre de Bruxelles, Brussels, Belgium
- FRB–CESAB 5, rue de l’École de Médecine, 34000 Montpellier, France
| | - P. P. Lowry
- Missouri Botanical Garden, Africa & Madagascar Department, P.O. Box 299, St. Louis, MO 63166-0299, USA
| | - A. Blach-Overgaard
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Bioscience, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
- Section for Ecoinformatics and Biodiversity, Department of Bioscience, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
| | - V. Droissart
- AMAP Lab, IRD, CIRAD, CNRS, INRA, Univ Montpellier, Montpellier, France
| | - D. J. Harris
- Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh EH3 5LR, UK
| | - B. A. Mackinder
- Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh EH3 5LR, UK
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK
| | - G. E. Schatz
- Missouri Botanical Garden, Africa & Madagascar Department, P.O. Box 299, St. Louis, MO 63166-0299, USA
| | - B. Sonké
- Plant Systematic and Ecology Laboratory, Department of Biology, Higher Teachers' Training College B.P. 047, University of Yaounde I
| | - M. S. M. Sosef
- Botanic Garden Meise, Nieuwelaan 38, BE-1860 Meise, Belgium
| | - J.-C. Svenning
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Bioscience, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
- Section for Ecoinformatics and Biodiversity, Department of Bioscience, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
| | - J. J. Wieringa
- Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, Netherlands
| | - T. L. P. Couvreur
- DIADE, IRD, Univ Montpellier, Montpellier, France
- Corresponding author.
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Keil P, Chase JM. Global patterns and drivers of tree diversity integrated across a continuum of spatial grains. Nat Ecol Evol 2019; 3:390-399. [DOI: 10.1038/s41559-019-0799-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Accepted: 01/07/2019] [Indexed: 01/01/2023]
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Darbyshire I, Timberlake J, Osborne J, Rokni S, Matimele H, Langa C, Datizua C, de Sousa C, Alves T, Massingue A, Hadj-Hammou J, Dhanda S, Shah T, Wursten B. The endemic plants of Mozambique: diversity and conservation status. PHYTOKEYS 2019; 136:45-96. [PMID: 31866738 PMCID: PMC6920223 DOI: 10.3897/phytokeys.136.39020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 11/22/2019] [Indexed: 05/21/2023]
Abstract
An annotated checklist of the 271 strict-endemic taxa (235 species) and 387 near-endemic taxa (337 species) of vascular plants in Mozambique is provided. Together, these taxa constitute c. 9.3% of the total currently known flora of Mozambique and include five strict-endemic genera (Baptorhachis, Emicocarpus, Gyrodoma, Icuria and Micklethwaitia) and two near-endemic genera (Triceratella and Oligophyton). The mean year of first publication of these taxa is 1959, with a marked increase in description noted following the onset of the two major regional floristic programmes, the "Flora of Tropical East Africa" and "Flora Zambesiaca", and an associated increase in botanical collecting effort. New taxa from Mozambique continue to be described at a significant rate, with 20 novelties described in 2018. Important plant families for endemic and near-endemic taxa include Fabaceae, Rubiaceae and Euphorbiaceae s.s. There is a high congruence between species-rich plant families and endemism with the notable exceptions of the Poaceae, which is the second-most species rich plant family, but outside of the top ten families in terms of endemism, and the Euphorbiaceae, which is the seventh-most species rich plant family, but third in terms of endemism. A wide range of life-forms are represented in the endemic and near-endemic flora, with 49% being herbaceous or having herbaceous forms and 55% being woody or having woody forms. Manica Province is by far the richest locality for near-endemic taxa, highlighting the importance of the cross-border Chimanimani-Nyanga (Manica) Highlands shared with Zimbabwe. A total of 69% of taxa can be assigned to one of four cross-border Centres of Endemism: the Rovuma Centre, the Maputaland Centre sensu lato, and the two mountain blocks, Chimanimani-Nyanga and Mulanje-Namuli-Ribaue. Approximately 50% of taxa have been assessed for their extinction risk and, of these, just over half are globally threatened (57% for strict-endemics), with a further 10% (17% for strict-endemics) currently considered to be Data Deficient, highlighting the urgent need for targeted conservation of Mozambique's unique flora. This dataset will be a key resource for ongoing efforts to identify "Important Plant Areas - IPAs" in Mozambique, and to promote the conservation and sustainable management of these critical sites and species, thus enabling Mozambique to meet its commitments under the Convention on Biological Diversity (CBD).
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Affiliation(s)
- Iain Darbyshire
- Royal Botanic Gardens, Kew (RBG Kew), Richmond, Surrey, TW9 3AE, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Jonathan Timberlake
- 30 Warren Lane, East Dean, East Sussex BN20 0EW, UKUnaffiliatedEast DeanUnited Kingdom
| | - Jo Osborne
- Royal Botanic Gardens, Kew (RBG Kew), Richmond, Surrey, TW9 3AE, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Saba Rokni
- Royal Botanic Gardens, Kew (RBG Kew), Richmond, Surrey, TW9 3AE, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Hermenegildo Matimele
- Instituto de Investigação Agrária de Moçambique (IIAM), P.O. Box 3658, Mavalane, Maputo, MozambiqueInstituto de Investigação Agrária de MoçambiqueMaputoMozambique
- Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, Marlowe Building, University of Kent, Canterbury, Kent, CT2 7NR, UKUniversity of KentCanterburyUnited Kingdom
| | - Clayton Langa
- Instituto de Investigação Agrária de Moçambique (IIAM), P.O. Box 3658, Mavalane, Maputo, MozambiqueInstituto de Investigação Agrária de MoçambiqueMaputoMozambique
| | - Castigo Datizua
- Instituto de Investigação Agrária de Moçambique (IIAM), P.O. Box 3658, Mavalane, Maputo, MozambiqueInstituto de Investigação Agrária de MoçambiqueMaputoMozambique
| | - Camila de Sousa
- Instituto de Investigação Agrária de Moçambique (IIAM), P.O. Box 3658, Mavalane, Maputo, MozambiqueInstituto de Investigação Agrária de MoçambiqueMaputoMozambique
| | - Tereza Alves
- Instituto de Investigação Agrária de Moçambique (IIAM), P.O. Box 3658, Mavalane, Maputo, MozambiqueInstituto de Investigação Agrária de MoçambiqueMaputoMozambique
| | - Alice Massingue
- Department of Biological Sciences, Eduardo Mondlane University, P.O. Box 257, Maputo, MozambiqueEduardo Mondlane UniversityMaputoMozambique
| | - Jeneen Hadj-Hammou
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, UKLancaster UniversityLancasterUnited Kingdom
| | - Sonia Dhanda
- Royal Botanic Gardens, Kew (RBG Kew), Richmond, Surrey, TW9 3AE, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Toral Shah
- Royal Botanic Gardens, Kew (RBG Kew), Richmond, Surrey, TW9 3AE, UKRoyal Botanic GardensRichmondUnited Kingdom
| | - Bart Wursten
- Herbarium, Nieuwelaan 38, Meise 1860, BelgiumHerbariumMeiseBelgium
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Refining Species Traits in a Dynamic Vegetation Model to Project the Impacts of Climate Change on Tropical Trees in Central Africa. FORESTS 2018. [DOI: 10.3390/f9110722] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
African tropical ecosystems and the services they provide to human society suffer from an increasing combined pressure of land use and climate change. How individual tropical tree species respond to climate change remains relatively unknown. In this study, we refined the species characterization in the CARAIB (CARbon Assimilation In the Biosphere) dynamic vegetation model by replacing plant functional type morpho-physiological traits by species-specific traits. We focus on 12 tropical tree species selected for their importance in both the plant community and human society. We used CARAIB to simulate the current species net primary productivity (NPP), biomass and potential distribution and their changes in the future. Our results indicate that the use of species-specific traits does not necessarily result in an increase of predicted current NPPs. The model projections for the end of the century highlight the large uncertainties in the future of African tropical species. Projected changes in species distribution vary greatly with the general circulation model (GCM) and, to a lesser extent, with the concentration pathway. The question about long-term plant response to increasing CO2 concentrations also leads to contrasting results. In absence of fertilization effect, species are exposed to climate change and might lose 25% of their current distribution under RCP8.5 (12.5% under RCP4.5), considering all the species and climatic scenarios. The vegetation model projects a mean biomass loss of −21.2% under RCP4.5 and −34.5% under RCP8.5. Potential range expansions, unpredictable due to migration limitations, are too limited for offsetting range contraction. By contrast, if the long-term species response to increasing [CO2] is positive, the range reduction is limited to 5%. However, despite a mean biomass increase of 12.2%, a positive CO2 feedback might not prevent tree dieback. Our analysis confirms that species will respond differently to new climatic and atmospheric conditions, which may induce new competition dynamics in the ecosystem and affect ecosystem services.
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Couvreur TLP. Unraveling rain forest biodiversity: an interview with Thomas Couvreur. BMC Biol 2018; 16:127. [PMID: 30382847 PMCID: PMC6211545 DOI: 10.1186/s12915-018-0594-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 10/12/2018] [Indexed: 11/20/2022] Open
Abstract
Thomas Couvreur is a researcher and botanist at the Institut de Recherche pour le Développement (IRD), based in Montpellier, France, studying tropical biosystems. He is using diverse approaches—from taxonomy, molecular phylogenetics, phylogeography, to modeling species distribution—to understand the evolution and resilience of biodiversity in rain forests. In this interview, Thomas describes the ongoing research in his lab, the most urgent challenges and opportunities in biodiversity research, and the importance of knowing how to code.
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Radji R, Adjonou K, Quashie MLA, Sodjinou KE, Pando F, Kokou K. Togo National Herbarium database. PHYTOKEYS 2018; 109:1-16. [PMID: 30275736 PMCID: PMC6160841 DOI: 10.3897/phytokeys.109.25385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 08/14/2018] [Indexed: 06/08/2023]
Abstract
This article describes the herbarium database of the University of Lomé. The database provides a good representation of the current knowledge of the flora of Togo. The herbarium of University of Lomé, known also as Herbarium togoense is the national herbarium and is registered in Index Herbariorum with the abbreviation TOGO. It contains 15,000 specimens of vascular plants coming mostly from all Togo's ecofloristic regions. Less than one percent of the specimens are from neighbouring countries such as Ghana, Benin and Burkina Faso. Collecting site details are specified in more that 97% of the sheet labels, but only about 50% contain geographic coordinates. Besides being a research resource, the herbarium constitutes an educational collection. The dataset described in this paper is registered with GBIF and accessible at https://www.gbif.org/dataset/b05dd467-aaf8-4c67-843c-27f049057b78. It was developed with the RIHA software (Réseau Informatique des Herbiers d'Afrique). The RIHA system (Chevillotte and Florence 2006, Radji et al. 2009) allows the capture of label data and associated information such as synonyms, vernacular names, taxonomic hierarchy and references.
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Affiliation(s)
- Raoufou Radji
- Laboratory of Forestry Research, Faculty of Science, University of Lomé, 01BP 1515 Lomé 1, TogoUniversity of LoméLoméTogo
| | - Kossi Adjonou
- Laboratory of Forestry Research, Faculty of Science, University of Lomé, 01BP 1515 Lomé 1, TogoUniversity of LoméLoméTogo
| | - Marie-Luce Akossiwoa Quashie
- Laboratory of Forestry Research, Faculty of Science, University of Lomé, 01BP 1515 Lomé 1, TogoUniversity of LoméLoméTogo
| | - Komlan Edjèdu Sodjinou
- Laboratory of Forestry Research, Faculty of Science, University of Lomé, 01BP 1515 Lomé 1, TogoUniversity of LoméLoméTogo
| | - Francisco Pando
- Real Jardin Botanico, CSIC, Madrid, SpainReal Jardin BotanicoMadridSpain
| | - Kouami Kokou
- Laboratory of Forestry Research, Faculty of Science, University of Lomé, 01BP 1515 Lomé 1, TogoUniversity of LoméLoméTogo
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Demenou BB, Doucet JL, Hardy OJ. History of the fragmentation of the African rain forest in the Dahomey Gap: insight from the demographic history of Terminalia superba. Heredity (Edinb) 2018; 120:547-561. [PMID: 29279603 PMCID: PMC5943585 DOI: 10.1038/s41437-017-0035-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 11/02/2017] [Accepted: 11/06/2017] [Indexed: 11/08/2022] Open
Abstract
Paleo-environmental reconstructions show that the distribution of tropical African rain forests was affected by Quaternary climate changes. They suggest that the Dahomey Gap (DG)-the savanna corridor that currently separates Upper Guinean (UG, West Africa) and Lower Guinean (LG, western Central Africa) rain forest blocks-was forested during the African Humid Holocene period (from at least 9 ka till 4.5 ka), and possibly during other interglacial periods, while an open vegetation developed in the DG under drier conditions, notably during glacial maxima. Nowadays, relics of semi-deciduous forests containing UG and LG forest species are still present within the DG. We used one of these species, the pioneer tree Terminalia superba (Combretaceae), to study past forest fragmentation in the DG and its impact on infraspecific biodiversity. A Bayesian clustering analysis of 299 individuals genotyped at 14 nuclear microsatellites revealed five parapatric genetic clusters (UG, DG, and three in LG) with low to moderate genetic differentiation (Fst from 0.02 to 0.24). Approximate Bayesian Computation analyses inferred a demographic bottleneck around the penultimate glacial period in all populations. They also supported an origin of the DG population by admixture of UG and LG populations around 54,000 (27,600-161,000) years BP, thus before the Last Glacial Maximum. These results contrast with those obtained on Distemonanthus benthamianus where the DG population seems to originate from the Humid Holocene period. We discuss these differences in light of the ecology of each species. Our results challenge the simplistic view linking population fragmentation/expansion with glacial/interglacial periods in African forest species.
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Affiliation(s)
- Boris B Demenou
- Faculté des Sciences, Evolution Biologique et Ecologie, Université Libre de Bruxelles, CP160/12, Av. F. D. Roosevelt 50, B-1050, Brussels, Belgium.
| | - Jean-Louis Doucet
- TERRA Teaching and Research Centre, Central African Forests, BIOSE Department, Gembloux Agro-Bio Tech, Université de Liège, Gembloux, Belgium
| | - Olivier J Hardy
- Faculté des Sciences, Evolution Biologique et Ecologie, Université Libre de Bruxelles, CP160/12, Av. F. D. Roosevelt 50, B-1050, Brussels, Belgium
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