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Enderle L, Gribbe S, Muffler L, Weigel R, Hertel D, Leuschner C. A warmer climate impairs the growth performance of Central Europe's major timber species in lowland regions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 941:173665. [PMID: 38823720 DOI: 10.1016/j.scitotenv.2024.173665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 05/29/2024] [Accepted: 05/29/2024] [Indexed: 06/03/2024]
Abstract
Recent hot droughts have caused tree vitality decline and increased mortality in many forest regions on earth. Most of Central Europe's important timber species have suffered from the extreme 2018/2019 hot drought, confronting foresters with difficult questions about the choice of more drought- and heat-resistant tree species. We compared the growth dynamics of European beech, sessile oak, Scots pine and Douglas fir in a warmer and a cooler lowland region of Germany to explore the adaptive potential of the four species to climate warming (24 forest stands). The basal area increment (BAI) of the two conifers has declined since about 1990-2010 in both regions, and that of beech in the warmer region, while oak showed positive BAI trends. A 2 °C difference in mean temperatures and a higher frequency of hot days (temperature maximum >30 °C) resulted in greater sensitivity to a negative climatic water balance in beech and oak, and elevated sensitivity to summer heat in Douglas fir and pine. This suggests to include hot days in climate-growth analyses. Negative pointer years were closely related to dry years. Nevertheless, all species showed growth recovery within one to three years. We conclude that all four species are sensitive to a deteriorating climatic water balance and hot temperatures, and have so far not been able to successfully acclimate to the warmer climate, with especially Douglas and beech, but also Scots pine, being vulnerable to a warming and drying climate.
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Affiliation(s)
- Lena Enderle
- Plant Ecology and Ecosystems Research, University of Goettingen, Goettingen, Germany.
| | - Stella Gribbe
- Plant Ecology and Ecosystems Research, University of Goettingen, Goettingen, Germany
| | - Lena Muffler
- Plant Ecology and Ecosystems Research, University of Goettingen, Goettingen, Germany; Ecological-Botanical Garden, University of Bayreuth, Bayreuth, Germany
| | - Robert Weigel
- Plant Ecology and Ecosystems Research, University of Goettingen, Goettingen, Germany; Ecological-Botanical Garden, University of Bayreuth, Bayreuth, Germany
| | - Dietrich Hertel
- Plant Ecology and Ecosystems Research, University of Goettingen, Goettingen, Germany
| | - Christoph Leuschner
- Plant Ecology and Ecosystems Research, University of Goettingen, Goettingen, Germany
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Igarashi S, Yoshida S, Kenzo T, Sakai S, Nagamasu H, Hyodo F, Tayasu I, Mohamad M, Ichie T. No evidence of carbon storage usage for seed production in 18 dipterocarp masting species in a tropical rain forest. Oecologia 2024; 204:717-726. [PMID: 38483587 DOI: 10.1007/s00442-024-05527-w] [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: 06/02/2023] [Accepted: 02/07/2024] [Indexed: 03/20/2024]
Abstract
Most canopy species in lowland tropical rain forests in Southeast Asia, represented by Dipterocarpaceae, undergo mast reproduction synchronously at community level during a general flowering event. Such events occur at irregular intervals of 2-10 years. Some species do not necessarily participate in every synchronous mast reproduction, however. This may be due to a lack of carbohydrate resources in the trees for masting. We tested the hypothesis that interspecific differences in the time required to store assimilates in trees for seed production are due to the frequency of masting and/or seed size in each species. We examined the relationship between reproductive frequency and the carbon accumulation period necessary for seed production, and between the seed size and the period, using radiocarbon analysis in 18 dipterocarp canopy species. The mean carbon accumulation period was 0.84 years before seed maturation in all species studied. The carbon accumulation period did not have any significant correlation with reproductive frequency or seed size, both of which varied widely across the species studied. Our results show that for seed production, dipterocarp masting species do not use carbon assimilates stored for a period between the masting years, but instead use recent photosynthates produced primarily in a masting year, regardless of the masting interval or seed size of each species. These findings suggest that storage of carbohydrate resources is not a limiting factor in the masting of dipterocarps, and that accumulation and allocation of other resources is important as a precondition for participation in general flowering.
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Affiliation(s)
- Shuichi Igarashi
- Faculty of Agriculture and Marine Science, Kochi University, B200 Monobe, Nankoku, 783‑8502, Japan.
| | - Shohei Yoshida
- Faculty of Agriculture and Marine Science, Kochi University, B200 Monobe, Nankoku, 783‑8502, Japan
| | - Tanaka Kenzo
- Japan International Research Center for Agricultural Sciences, Tsukuba, 305-8686, Japan
| | - Shoko Sakai
- Department of Geography, Hong Kong Baptist University, 15 Baptist University Rd, Kowloon Tong, Hong Kong
- Research Institute for Humanity and Nature, Kyoto, 603-8047, Japan
| | | | - Fujio Hyodo
- Research Core for Interdisciplinary Sciences, Okayama University, Okayama, 700-8530, Japan
| | - Ichiro Tayasu
- Research Institute for Humanity and Nature, Kyoto, 603-8047, Japan
| | - Mohizah Mohamad
- Forest Department Sarawak, 93050, Kuching, Sarawak, Malaysia
| | - Tomoaki Ichie
- Faculty of Agriculture and Marine Science, Kochi University, B200 Monobe, Nankoku, 783‑8502, Japan
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Mazza G, Monteverdi MC, Altieri S, Battipaglia G. Climate-driven growth dynamics and trend reversal of Fagus sylvatica L. and Quercus cerris L. in a low-elevation beech forest in Central Italy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168250. [PMID: 37926261 DOI: 10.1016/j.scitotenv.2023.168250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 10/27/2023] [Accepted: 10/29/2023] [Indexed: 11/07/2023]
Abstract
In highly climate-change-sensitive regions, such as the Mediterranean, increasing knowledge of climate-driven growth dynamics is required for habitat conservation and forecasting species adaptability under future climate change. In this study, we test a high spectrum of climatic signals, not only monthly and seasonal but also on a multi-year scale and include the single tree analysis to answer this issue, focusing on a low-elevation thermophilic old-growth beech forest surrounding the Bracciano Lake in Central Italy. Through a dendroecological and isotope analysis, we evaluate both short- and long-term sensitivity of F. sylvatica and the coexisting better-drought-adapted species Q. cerris to climatic and hydrological variability in terms of growth reduction and δ13C responses. After the 1990s, beech trees showed a climate-driven decrease in growth compared to oak, especially after 2003 (-20 % of basal area increment), with a significant growth trend reversal between the species. For F. sylvatica, the significant correlations with precipitation decreased, whereas for Q. cerris, they increased, with a higher number of trees positively influenced. However, the temperature highlighted more clearly the contrasting climate-growth correlation pattern between the two species. In F. sylvatica after the '90s, the negative effect of temperatures has significantly intensified, as shown by past summer values up to four years previously, involving about half of the trees. Surprisingly, the water-level fluctuations showed a highly significant influence on tree-ring growth in both species. Nevertheless, it reduced after the '90s. Finally, Q. cerris trees showed a significantly higher ability to recover their growth levels after extreme droughts (+55 %). The growth trend reversal and the shift in iWUE of the last years may point to potential changes in the future species composition, raising the need for climate-adaptive silviculture (e.g., selective thinning) to reduce growth decline, enhance resilience and favour the natural regeneration of the target species for habitat conservation.
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Affiliation(s)
| | | | - Simona Altieri
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, Caserta, Italy
| | - Giovanna Battipaglia
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, Caserta, Italy
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4
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Qiu T, Aravena MC, Ascoli D, Bergeron Y, Bogdziewicz M, Boivin T, Bonal R, Caignard T, Cailleret M, Calama R, Calderon SD, Camarero JJ, Chang-Yang CH, Chave J, Chianucci F, Courbaud B, Cutini A, Das AJ, Delpierre N, Delzon S, Dietze M, Dormont L, Espelta JM, Fahey TJ, Farfan-Rios W, Franklin JF, Gehring CA, Gilbert GS, Gratzer G, Greenberg CH, Guignabert A, Guo Q, Hacket-Pain A, Hampe A, Han Q, Holik J, Hoshizaki K, Ibanez I, Johnstone JF, Journé V, Kitzberger T, Knops JMH, Kunstler G, Kurokawa H, Lageard JGA, LaMontagne JM, Lefevre F, Leininger T, Limousin JM, Lutz JA, Macias D, Marell A, McIntire EJB, Moore CM, Moran E, Motta R, Myers JA, Nagel TA, Naoe S, Noguchi M, Oguro M, Parmenter R, Pearse IS, Perez-Ramos IM, Piechnik L, Podgorski T, Poulsen J, Redmond MD, Reid CD, Rodman KC, Rodriguez-Sanchez F, Samonil P, Sanguinetti JD, Scher CL, Seget B, Sharma S, Shibata M, Silman M, Steele MA, Stephenson NL, Straub JN, Sutton S, Swenson JJ, Swift M, Thomas PA, Uriarte M, Vacchiano G, Whipple AV, Whitham TG, Wion AP, Wright SJ, Zhu K, Zimmerman JK, Zywiec M, Clark JS. Masting is uncommon in trees that depend on mutualist dispersers in the context of global climate and fertility gradients. NATURE PLANTS 2023:10.1038/s41477-023-01446-5. [PMID: 37386149 DOI: 10.1038/s41477-023-01446-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 05/17/2023] [Indexed: 07/01/2023]
Abstract
The benefits of masting (volatile, quasi-synchronous seed production at lagged intervals) include satiation of seed predators, but these benefits come with a cost to mutualist pollen and seed dispersers. If the evolution of masting represents a balance between these benefits and costs, we expect mast avoidance in species that are heavily reliant on mutualist dispersers. These effects play out in the context of variable climate and site fertility among species that vary widely in nutrient demand. Meta-analyses of published data have focused on variation at the population scale, thus omitting periodicity within trees and synchronicity between trees. From raw data on 12 million tree-years worldwide, we quantified three components of masting that have not previously been analysed together: (i) volatility, defined as the frequency-weighted year-to-year variation; (ii) periodicity, representing the lag between high-seed years; and (iii) synchronicity, indicating the tree-to-tree correlation. Results show that mast avoidance (low volatility and low synchronicity) by species dependent on mutualist dispersers explains more variation than any other effect. Nutrient-demanding species have low volatility, and species that are most common on nutrient-rich and warm/wet sites exhibit short periods. The prevalence of masting in cold/dry sites coincides with climatic conditions where dependence on vertebrate dispersers is less common than in the wet tropics. Mutualist dispersers neutralize the benefits of masting for predator satiation, further balancing the effects of climate, site fertility and nutrient demands.
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Affiliation(s)
- Tong Qiu
- Department of Ecosystem Science and Management, Pennsylvania State University, University Park, PA, USA.
| | - Marie-Claire Aravena
- Facultad de Ciencias Forestales y de la Conservacion de la Naturaleza (FCFCN), Universidad de Chile, La Pintana, Santiago, Chile
| | - Davide Ascoli
- Department of Agriculture, Forest and Food Sciences, University of Torino, Grugliasco, Torino, Italy
| | - Yves Bergeron
- Forest Research Institute, University of Quebec in Abitibi-Temiscamingue, Rouyn-Noranda, Quebec, Canada
| | - Michal Bogdziewicz
- Department of Systematic Zoology, Faculty of Biology, Adam Mickiewicz University, Poznan, Poland
| | - Thomas Boivin
- Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Ecologie des Forets Mediterranennes, Avignon, France
| | - Raul Bonal
- Department of Biodiversity, Ecology and Evolution, Complutense University of Madrid, Madrid, Spain
| | - Thomas Caignard
- Universite Bordeaux, Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Biodiversity, Genes, and Communities (BIOGECO), Pessac, France
| | - Maxime Cailleret
- NRAE, Aix-Marseille University, UMR RECOVER, Aix-en-Provence, France
| | - Rafael Calama
- Centro de Investigacion Forestal (INIA-CSIC), Madrid, Spain
| | - Sergio Donoso Calderon
- Facultad de Ciencias Forestales y de la Conservacion de la Naturaleza (FCFCN), Universidad de Chile, La Pintana, Santiago, Chile
| | - J Julio Camarero
- Instituto Pirenaico de Ecologla, Consejo Superior de Investigaciones Cientificas (IPE-CSIC), Zaragoza, Spain
| | - Chia-Hao Chang-Yang
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Jerome Chave
- Laboratoire Evolution et Diversite Biologique, Toulouse, France
| | | | - Benoit Courbaud
- Universite Grenoble Alpes, Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Laboratoire EcoSystemes et Societes En Montagne (LESSEM), St. Martin-d'Heres, France
| | - Andrea Cutini
- Research Centre for Forestry and Wood, Arezzo, Italy
| | - Adrian J Das
- U.S. Geological Survey Western Ecological Research Center, Three Rivers, CA, USA
| | - Nicolas Delpierre
- Universite Paris-Saclay, Centre national de la recherche scientifique, AgroParisTech, Ecologie Systematique et Evolution, Orsay, France
| | - Sylvain Delzon
- Universite Bordeaux, Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Biodiversity, Genes, and Communities (BIOGECO), Pessac, France
| | - Michael Dietze
- Earth and Environment, Boston University, Boston, MA, USA
| | - Laurent Dormont
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE), Centre National de la Recherche Scientifique (CNRS), Montpellier, France
| | - Josep Maria Espelta
- Centre de Recerca Ecologica i Aplicacions Forestals (CREAF), Bellaterra, Catalunya, Spain
| | | | - William Farfan-Rios
- Washington University in Saint Louis, Center for Conservation and Sustainable Development, Missouri Botanical Garden, St Louis, MO, USA
| | | | - Catherine A Gehring
- Department of Biological Sciences and Center for Adaptive Western Landscapes, Flagstaff, AZ, USA
| | - Gregory S Gilbert
- Department of Environmental Studies, University of California, Santa Cruz, CA, USA
| | - Georg Gratzer
- Institute of Forest Ecology, Department of Forest and Soil Sciences, University of Natural Resources and Life Sciences, Wien, Austria
| | | | | | - Qinfeng Guo
- Eastern Forest Environmental Threat Assessment Center, USDA Forest Service, Southern Research Station, Research Triangle Park, NC, USA
| | - Andrew Hacket-Pain
- Department of Geography and Planning, School of Environmental Sciences, University of Liverpool, Liverpool, UK
| | - Arndt Hampe
- Universite Bordeaux, Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Biodiversity, Genes, and Communities (BIOGECO), Pessac, France
| | - Qingmin Han
- Department of Plant Ecology Forestry and Forest Products Research Institute (FFPRI), Tsukuba, Ibaraki, Japan
| | - Jan Holik
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, Czech Republic
| | - Kazuhiko Hoshizaki
- Department of Biological Environment, Akita Prefectural University, Akita, Japan
| | - Ines Ibanez
- School for Environment and Sustainability, University of Michigan, Ann Arbor, MI, USA
| | - Jill F Johnstone
- Institute of Arctic Biology, University of Alaska, Fairbanks, AK, USA
| | - Valentin Journé
- Universite Grenoble Alpes, Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Laboratoire EcoSystemes et Societes En Montagne (LESSEM), St. Martin-d'Heres, France
| | - Thomas Kitzberger
- Department of Ecology, Instituto de Investigaciones en Biodiversidad y Medioambiente (Consejo Nacional de Investigaciones Cientificas y Tecnicas - Universidad Nacional del Comahue), Bariloche, Argentina
| | - Johannes M H Knops
- Health and Environmental Sciences Department, Xian Jiaotong-Liverpool University, Suzhou, China
| | - Georges Kunstler
- Universite Grenoble Alpes, Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Laboratoire EcoSystemes et Societes En Montagne (LESSEM), St. Martin-d'Heres, France
| | - Hiroko Kurokawa
- Department of Forest Vegetation, Forestry and Forest Products Research Institute, Tsukuba, Japan, Ibaraki
| | - Jonathan G A Lageard
- Department of Natural Sciences, Manchester Metropolitan University, Manchester, UK
| | | | - Francois Lefevre
- Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Ecologie des Forets Mediterranennes, Avignon, France
| | - Theodor Leininger
- USDA, Forest Service, Southern Research Station, Stoneville, MS, USA
| | | | - James A Lutz
- Department of Wildland Resources, and the Ecology Center, Utah State University, Logan, UT, USA
| | - Diana Macias
- Department of Biology, University of New Mexico, Albuquerque, NM, USA
| | | | | | | | - Emily Moran
- School of Natural Sciences, UC Merced, Merced, CA, USA
| | - Renzo Motta
- Department of Agriculture, Forest and Food Sciences, University of Torino, Grugliasco, Torino, Italy
| | - Jonathan A Myers
- Department of Biology, Washington University in St Louis, St Louis, MO, USA
| | - Thomas A Nagel
- Department of Forestry and Renewable Forest Resources, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Shoji Naoe
- Tohoku Research Center, Forestry and Forest Products Research Institute, Morioka, Iwate, Japan
| | - Mahoko Noguchi
- Tohoku Research Center, Forestry and Forest Products Research Institute, Morioka, Iwate, Japan
| | - Michio Oguro
- Department of Forest Vegetation, Forestry and Forest Products Research Institute, Tsukuba, Japan, Ibaraki
| | - Robert Parmenter
- Valles Caldera National Preserve, National Park Service, Jemez Springs, NM, USA
| | - Ian S Pearse
- U.S. Geological Survey Fort Collins Science Center, Fort Collins, CO, USA
| | - Ignacio M Perez-Ramos
- Instituto de Recursos Naturales y Agrobiologia de Sevilla, Consejo Superior de Investigaciones Cientificas (IRNAS-CSIC), Seville, Andalucia, Spain
| | - Lukasz Piechnik
- W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow, Poland
| | - Tomasz Podgorski
- Mammal Research Institute, Polish Academy of Sciences, Bialowieza, Poland
| | - John Poulsen
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Miranda D Redmond
- Department of Forest and Rangeland Stewardship, Colorado State University, Fort Collins, CO, USA
| | - Chantal D Reid
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Kyle C Rodman
- Ecological Restoration Institute, Northern Arizona University, Flagstaff, AZ, USA
| | | | - Pavel Samonil
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, Czech Republic
| | - Javier D Sanguinetti
- Bilogo Dpto. Conservacin y Manejo, Parque Nacional Lanin Elordi y Perito Moreno, San Marten de los Andes, Neuqun, Argentina
| | - C Lane Scher
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Barbara Seget
- W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow, Poland
| | - Shubhi Sharma
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Mitsue Shibata
- Department of Forest Vegetation, Forestry and Forest Products Research Institute, Tsukuba, Japan, Ibaraki
| | - Miles Silman
- Department of Biology, Wake Forest University, Winston-Salem, NC, USA
| | | | - Nathan L Stephenson
- U.S. Geological Survey Western Ecological Research Center, Three Rivers, CA, USA
| | - Jacob N Straub
- Department of Environmental Science and Ecology, State University of New York-Brockport, Brockport, NY, USA
| | - Samantha Sutton
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | | | - Margaret Swift
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Peter A Thomas
- School of Life Sciences, Keele University, Staffordshire, UK
| | - Maria Uriarte
- Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, NY, USA
| | - Giorgio Vacchiano
- Department of Agricultural and Environmental Sciences - Production, Territory, Agroenergy (DISAA), University of Milan, Milano, Italy
| | - Amy V Whipple
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Thomas G Whitham
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Andreas P Wion
- Department of Forest and Rangeland Stewardship, Colorado State University, Fort Collins, CO, USA
| | - S Joseph Wright
- Smithsonian Tropical Research Institute, Balboa, Republic of Panama
| | - Kai Zhu
- School for Environment and Sustainability, University of Michigan, Ann Arbor, MI, USA
| | - Jess K Zimmerman
- Department of Environmental Sciences, University of Puerto Rico, Rio Piedras, PR, USA
| | - Magdalena Zywiec
- W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow, Poland
| | - James S Clark
- Universite Grenoble Alpes, Institut National de Recherche pour Agriculture, Alimentation et Environnement (INRAE), Laboratoire EcoSystemes et Societes En Montagne (LESSEM), St. Martin-d'Heres, France
- Nicholas School of the Environment, Duke University, Durham, NC, USA
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Sakio H, Kon A, Kubo M, Nakano Y. Long‐term fluctuations and mechanisms of seed production of riparian tree canopy species. Ecol Res 2023. [DOI: 10.1111/1440-1703.12393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Affiliation(s)
- Hitoshi Sakio
- Sado Island Center for Ecological Sustainability Niigata University 94‐2 Koda Sado Niigata 952‐2206 Japan
| | - Ayumi Kon
- Faculty of Agriculture Niigata University 8050 Ikarashi 2‐no‐cho Nishi‐ku Niigata 950‐2181 Japan
- Green Sangyo Co., Ltd 2‐2‐10 Kandoji Chuo‐ku Niigata 950‐0983 Japan
| | - Masako Kubo
- Faculty of Life and Environmental Science Shimane University 1060 Nishikawatsu‐cho Matsue Shimane 690‐8504 Japan
| | - Yosuke Nakano
- Tadami Beech Center Machishita 2590, Tadami, Tadami‐machi Minamiaizu‐gun Fukushima 968‐0421 Japan
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6
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Tonelli E, Vitali A, Malandra F, Camarero JJ, Colangelo M, Nolè A, Ripullone F, Carrer M, Urbinati C. Tree-ring and remote sensing analyses uncover the role played by elevation on European beech sensitivity to late spring frost. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159239. [PMID: 36208754 DOI: 10.1016/j.scitotenv.2022.159239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 09/03/2022] [Accepted: 10/01/2022] [Indexed: 06/16/2023]
Abstract
Extreme climate events such as late spring frosts (LSFs) negatively affect productivity and tree growth in temperate beech forests. However, detailed information on how these forests recover after such events are still missing. We investigated how LSFs affected forest cover and radial growth in European beech (Fagus sylvatica L.) populations located at different elevations at four sites in the Italian Apennines, where LSFs have been recorded. We combined tree-ring and remote-sensing data to analyse the sensitivity and recovery capacity of beech populations to LSFs. Using daily temperature records, we reconstructed LSF events and assessed legacy effects on growth. We also evaluated the role played by elevation and stand structure as modulators of LSFs impacts. Finally, using satellite images we computed Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI) and LAI (Leaf Area Index) to evaluate the post-LSF canopy recovery. The growth reduction in LSF-affected trees ranged from 36 % to 84 %. We detected a negative impact of LSF on growth only during the LSF year, with growth recovery occurring within 1-2 years after the event. LSF-affected stands featured low vegetation indices until late June, i.e. on average 75 days after the frost events. We did not find a clear relationship between beech forest elevation and occurrence of LSFs defoliations. Our results indicate a high recovery capacity of common beech and no legacy effects of LSFs.
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Affiliation(s)
- Enrico Tonelli
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
| | - Alessandro Vitali
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy.
| | - Francesco Malandra
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
| | - J Julio Camarero
- Instituto Pirenaico de Ecología (IPE, CSIC), Apdo. 202, 50192 Zaragoza, Spain
| | - Michele Colangelo
- Instituto Pirenaico de Ecología (IPE, CSIC), Apdo. 202, 50192 Zaragoza, Spain; School of Agricultural, Forest, Food and Environmental Sciences (SAFE), University of Basilicata, 85100 Potenza, Italy
| | - Angelo Nolè
- School of Agricultural, Forest, Food and Environmental Sciences (SAFE), University of Basilicata, 85100 Potenza, Italy
| | - Francesco Ripullone
- School of Agricultural, Forest, Food and Environmental Sciences (SAFE), University of Basilicata, 85100 Potenza, Italy
| | - Marco Carrer
- Universitá degli Studi di Padova, Dipartimento Territorio e Sistemi Agro-Forestali (TeSAF), Viale dell'Università 16, 35020 Legnaro, Italy
| | - Carlo Urbinati
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
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7
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Zacharias M, Pampuch T, Dauphin B, Opgenoorth L, Roland C, Schnittler M, Wilmking M, Bog M, Heer K. Genetic basis of growth reaction to drought stress differs in contrasting high-latitude treeline ecotones of a widespread conifer. Mol Ecol 2022; 31:5165-5181. [PMID: 35951000 DOI: 10.1111/mec.16648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 07/29/2022] [Accepted: 08/08/2022] [Indexed: 12/15/2022]
Abstract
Climate change is increasing the frequency and intensity of drought events in many boreal forests. Trees are sessile organisms with a long generation time, which makes them vulnerable to fast climate change and hinders fast adaptations. Therefore, it is important to know how forests cope with drought stress and to explore the genetic basis of these reactions. We investigated three natural populations of white spruce (Picea glauca) in Alaska, located at one drought-limited and two cold-limited treelines with a paired plot design of one forest and one treeline plot. We obtained individual increment cores from 458 trees and climate data to assess dendrophenotypes, in particular the growth reaction to drought stress. To explore the genetic basis of these dendrophenotypes, we genotyped the individual trees at 3000 single nucleotide polymorphisms in candidate genes and performed genotype-phenotype association analysis using linear mixed models and Bayesian sparse linear mixed models. Growth reaction to drought stress differed in contrasting treeline populations. Therefore, the populations are likely to be unevenly affected by climate change. We identified 40 genes associated with dendrophenotypic traits that differed among the treeline populations. Most genes were identified in the drought-limited site, indicating comparatively strong selection pressure of drought-tolerant phenotypes. Contrasting patterns of drought-associated genes among sampled sites and in comparison to Canadian populations in a previous study suggest that drought adaptation acts on a local scale. Our results highlight genes that are associated with wood traits which in turn are critical for the establishment and persistence of future forests under climate change.
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Affiliation(s)
- Melanie Zacharias
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald, Germany
| | - Timo Pampuch
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald, Germany
| | | | - Lars Opgenoorth
- Plant Ecology and Geobotany, Philipps Universität Marburg, Marburg, Germany
| | - Carl Roland
- Denali National Park and Preserve, Fairbanks, Alaska, USA
| | - Martin Schnittler
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald, Germany
| | - Martin Wilmking
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald, Germany
| | - Manuela Bog
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald, Germany
| | - Katrin Heer
- Forest Genetics, Faculty of Environment and Natural Resources, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
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8
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Plavcová L, Mészáros M, Šilhán K, Jupa R. Relationships between trunk radial growth and fruit yield in apple and pear trees on size-controlling rootstocks. ANNALS OF BOTANY 2022; 130:477-489. [PMID: 35788818 PMCID: PMC9510948 DOI: 10.1093/aob/mcac089] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND AND AIMS Understanding the mutual co-ordination of vegetative and reproductive growth is important in both agricultural and ecological settings. A competitive relationship between vegetative growth and fruiting is often highlighted, resulting in an apparent trade-off between structural growth and fruit production. However, our understanding of factors driving this relationship is limited. METHODS We used four scions grafted onto a series of size-controlling rootstocks to evaluate the relationships between the annual fruit yield and radial growth of trunks, branches and roots. To assess tree radial growth, we measured ring widths on extracted tree cores, which is an approach not frequently used in a horticultural setting. KEY RESULTS We found that the yield and radial growth were negatively related when plotted in absolute terms or as detrended and normalized indices. The relationship was stronger in low vigour trees, but only after the age-related trend was removed. In contrast, when trunk radial growth was expressed as basal area increment, the negative relationship disappeared, suggesting that the relationship between trunk radial growth and fruit yield might not be a true trade-off related to the competition between the two sinks. The effect of low yield was associated with increased secondary growth not only in trunks but also in branches and roots. In trunks, we observed that overcropping was associated with reduced secondary growth in a subsequent year, possibly due to the depletion of reserves. CONCLUSIONS Our results show that variation in annual fruit yield due to tree ageing, weather cueing and inherent alternate bearing behaviour is reflected in the magnitude of secondary growth of fruit trees. We found little support for the competition/architecture theory of rootstock-induced growth vigour control. More broadly, our study aimed at bridging the gap between forest ecology and horticulture.
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Affiliation(s)
| | - Martin Mészáros
- Research and Breeding Institute of Pomology, Holovousy, Hořice, Czech Republic
| | - Karel Šilhán
- Department of Biology, Faculty of Science, University of Hradec Králové, Rokitanského, Hradec Králové, Czech Republic
| | - Radek Jupa
- Department of Biology, Faculty of Science, University of Hradec Králové, Rokitanského, Hradec Králové, Czech Republic
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9
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Influence of Ozone and Drought on Tree Growth under Field Conditions in a 22 Year Time Series. FORESTS 2022. [DOI: 10.3390/f13081215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Studying the effect of surface ozone (O3) and water stress on tree growth is important for planning sustainable forest management and forest ecology. In the present study, a 22-year long time series (1998–2019) on basal area increment (BAI) and fructification severity of European beech (Fagus sylvatica L.) and Norway spruce (Picea abies (L.) H.Karst.) at five forest sites in Western Germany (Rhineland Palatinate) was investigated to evaluate how it correlates with drought and stomatal O3 fluxes (PODY) with an hourly threshold of uptake (Y) to represent the detoxification capacity of trees (POD1, with Y = 1 nmol O3 m−2 s−1). Between 1998 and 2019, POD1 declined over time by on average 0.31 mmol m−2 year−1. The BAI showed no significant trend at all sites, except in Leisel where a slight decline was observed over time (−0.37 cm2 per year, p < 0.05). A random forest analysis showed that the soil water content and daytime O3 mean concentration were the best predictors of BAI at all sites. The highest mean score of fructification was observed during the dry years, while low level or no fructification was observed in most humid years. Combined effects of drought and O3 pollution mostly influence tree growth decline for European beech and Norway spruce.
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10
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Jet stream position explains regional anomalies in European beech forest productivity and tree growth. Nat Commun 2022; 13:2015. [PMID: 35440102 PMCID: PMC9018849 DOI: 10.1038/s41467-022-29615-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 03/23/2022] [Indexed: 11/11/2022] Open
Abstract
The mechanistic pathways connecting ocean-atmosphere variability and terrestrial productivity are well-established theoretically, but remain challenging to quantify empirically. Such quantification will greatly improve the assessment and prediction of changes in terrestrial carbon sequestration in response to dynamically induced climatic extremes. The jet stream latitude (JSL) over the North Atlantic-European domain provides a synthetic and robust physical framework that integrates climate variability not accounted for by atmospheric circulation patterns alone. Surface climate impacts of north-south summer JSL displacements are not uniform across Europe, but rather create a northwestern-southeastern dipole in forest productivity and radial-growth anomalies. Summer JSL variability over the eastern North Atlantic-European domain (5-40E) exerts the strongest impact on European beech, inducing anomalies of up to 30% in modelled gross primary productivity and 50% in radial tree growth. The net effects of JSL movements on terrestrial carbon fluxes depend on forest density, carbon stocks, and productivity imbalances across biogeographic regions. Here the authors show that extremes in the summer jet stream position over Europe create a beech forest productivity dipole between northwestern and southeastern Europe and can result in regional anomalies in forest carbon uptake and growth.
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11
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Clark JS, Andrus R, Aubry-Kientz M, Bergeron Y, Bogdziewicz M, Bragg DC, Brockway D, Cleavitt NL, Cohen S, Courbaud B, Daley R, Das AJ, Dietze M, Fahey TJ, Fer I, Franklin JF, Gehring CA, Gilbert GS, Greenberg CH, Guo Q, HilleRisLambers J, Ibanez I, Johnstone J, Kilner CL, Knops J, Koenig WD, Kunstler G, LaMontagne JM, Legg KL, Luongo J, Lutz JA, Macias D, McIntire EJB, Messaoud Y, Moore CM, Moran E, Myers JA, Myers OB, Nunez C, Parmenter R, Pearse S, Pearson S, Poulton-Kamakura R, Ready E, Redmond MD, Reid CD, Rodman KC, Scher CL, Schlesinger WH, Schwantes AM, Shanahan E, Sharma S, Steele MA, Stephenson NL, Sutton S, Swenson JJ, Swift M, Veblen TT, Whipple AV, Whitham TG, Wion AP, Zhu K, Zlotin R. Continent-wide tree fecundity driven by indirect climate effects. Nat Commun 2021; 12:1242. [PMID: 33623042 PMCID: PMC7902660 DOI: 10.1038/s41467-020-20836-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 12/01/2020] [Indexed: 01/31/2023] Open
Abstract
Indirect climate effects on tree fecundity that come through variation in size and growth (climate-condition interactions) are not currently part of models used to predict future forests. Trends in species abundances predicted from meta-analyses and species distribution models will be misleading if they depend on the conditions of individuals. Here we find from a synthesis of tree species in North America that climate-condition interactions dominate responses through two pathways, i) effects of growth that depend on climate, and ii) effects of climate that depend on tree size. Because tree fecundity first increases and then declines with size, climate change that stimulates growth promotes a shift of small trees to more fecund sizes, but the opposite can be true for large sizes. Change the depresses growth also affects fecundity. We find a biogeographic divide, with these interactions reducing fecundity in the West and increasing it in the East. Continental-scale responses of these forests are thus driven largely by indirect effects, recommending management for climate change that considers multiple demographic rates.
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Affiliation(s)
- James S. Clark
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA ,grid.450307.5INRAE, LESSEM, University Grenoble Alpes, Saint-Martin-d’Heres, France
| | - Robert Andrus
- grid.266190.a0000000096214564Department of Geography, University of Colorado Boulder, Boulder, CO USA
| | - Melaine Aubry-Kientz
- grid.266096.d0000 0001 0049 1282School of Natural Sciences, University of California, Merced, Merced, CA USA
| | - Yves Bergeron
- grid.265695.bForest Research Institute, University of Quebec in Abitibi-Temiscamingue, Rouyn-Noranda, QC Canada
| | - Michal Bogdziewicz
- grid.5633.30000 0001 2097 3545Department of Systematic Zoology, Faculty of Biology, Adam Mickiewicz University, Poznan, Poland
| | - Don C. Bragg
- grid.497399.90000 0001 2106 5338USDA Forest Service, Southern Research Station, Monticello, AR USA
| | - Dale Brockway
- grid.472551.00000 0004 0404 3120USDA Forest Service Southern Research Station, Auburn, AL USA
| | - Natalie L. Cleavitt
- grid.5386.8000000041936877XNatural Resources, Cornell University, Ithaca, NY USA
| | - Susan Cohen
- grid.10698.360000000122483208Institute for the Environment, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Benoit Courbaud
- grid.450307.5INRAE, LESSEM, University Grenoble Alpes, Saint-Martin-d’Heres, France
| | - Robert Daley
- grid.454846.f0000 0001 2331 3972Greater Yellowstone Network, National Park Service, Bozeman, MT USA
| | - Adrian J. Das
- grid.2865.90000000121546924USGS Western Ecological Research Center, Three Rivers, CA USA
| | - Michael Dietze
- grid.189504.10000 0004 1936 7558Earth and Environment, Boston University, Boston, MA USA
| | - Timothy J. Fahey
- grid.472551.00000 0004 0404 3120USDA Forest Service Southern Research Station, Auburn, AL USA
| | - Istem Fer
- grid.8657.c0000 0001 2253 8678Finnish Meteorological Institute, Helsinki, Finland
| | - Jerry F. Franklin
- grid.34477.330000000122986657Forest Resources, University of Washington, Seattle, WA USA
| | - Catherine A. Gehring
- grid.261120.60000 0004 1936 8040Department of Biological Science, Northern Arizona University, Flagstaff, AZ USA
| | - Gregory S. Gilbert
- grid.205975.c0000 0001 0740 6917University of California, Santa Cruz, Santa Cruz, CA USA
| | - Cathryn H. Greenberg
- grid.472551.00000 0004 0404 3120USDA Forest Service, Bent Creek Experimental Forest, Asheville, NC USA
| | - Qinfeng Guo
- grid.472551.00000 0004 0404 3120USDA Forest Service Southern Research Station, Eastern Forest Environmental Threat Assessment Center, Research Triangle Park, NC USA
| | - Janneke HilleRisLambers
- grid.34477.330000000122986657Department of Biology, University of Washington, Seattle, WA USA
| | - Ines Ibanez
- grid.214458.e0000000086837370School for Environment and Sustainability, University of Michigan, Ann Arbor, MI USA
| | - Jill Johnstone
- grid.25152.310000 0001 2154 235XDepartment of Biology, University of Saskatchewan, Saskatoon, SK Canada
| | - Christopher L. Kilner
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Johannes Knops
- grid.440701.60000 0004 1765 4000Health and Environmental Sciences Department, Xian Jiaotong-Liverpool University, Suzhou, China
| | - Walter D. Koenig
- grid.47840.3f0000 0001 2181 7878Hastings Reservation, University of California Berkeley, Carmel Valley, CA USA
| | - Georges Kunstler
- grid.450307.5INRAE, LESSEM, University Grenoble Alpes, Saint-Martin-d’Heres, France
| | - Jalene M. LaMontagne
- grid.254920.80000 0001 0707 2013Department of Biological Sciences, DePaul University, Chicago, IL USA
| | - Kristin L. Legg
- grid.454846.f0000 0001 2331 3972Greater Yellowstone Network, National Park Service, Bozeman, MT USA
| | - Jordan Luongo
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - James A. Lutz
- grid.53857.3c0000 0001 2185 8768Department of Wildland Resources, Utah State University Ecology Center, Logan, UT USA
| | - Diana Macias
- grid.266832.b0000 0001 2188 8502Department of Biology, University of New Mexico, Albuquerque, NM USA
| | | | - Yassine Messaoud
- grid.265704.20000 0001 0665 6279Université du Québec en Abitibi-Témiscamingue, Rouyn-Noranda, Quebec Canada
| | - Christopher M. Moore
- grid.254333.00000 0001 2296 8213Department of Biology, Colby College, Waterville, ME USA
| | - Emily Moran
- grid.266190.a0000000096214564Department of Geography, University of Colorado Boulder, Boulder, CO USA
| | - Jonathan A. Myers
- grid.4367.60000 0001 2355 7002Department of Biology, Washington University in St. Louis, St. Louis, MO USA
| | - Orrin B. Myers
- grid.266832.b0000 0001 2188 8502University of New Mexico, Albuquerque, NM USA
| | - Chase Nunez
- grid.507516.00000 0004 7661 536XDepartment for the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Konstanz, Germany
| | - Robert Parmenter
- grid.454846.f0000 0001 2331 3972Valles Caldera National Preserve, National Park Service, Jemez Springs, NM USA
| | - Sam Pearse
- grid.2865.90000000121546924Fort Collins Science Center, Fort Collins, CO USA
| | - Scott Pearson
- grid.435676.50000 0000 8528 5973Department of Natural Sciences, Mars Hill University, Mars Hill, NC USA
| | - Renata Poulton-Kamakura
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Ethan Ready
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Miranda D. Redmond
- grid.47894.360000 0004 1936 8083Department of Forest and Rangeland Stewardship, Colorado State University, Fort Collins, CO USA
| | - Chantal D. Reid
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Kyle C. Rodman
- grid.450307.5INRAE, LESSEM, University Grenoble Alpes, Saint-Martin-d’Heres, France
| | - C. Lane Scher
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - William H. Schlesinger
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Amanda M. Schwantes
- grid.17063.330000 0001 2157 2938Ecology and Evolutionary Biology, University of Toronto, Toronto, ON Canada
| | - Erin Shanahan
- grid.454846.f0000 0001 2331 3972Greater Yellowstone Network, National Park Service, Bozeman, MT USA
| | - Shubhi Sharma
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Michael A. Steele
- grid.268256.d0000 0000 8510 1943Department of Biology, Wilkes University, Wilkes-Barre, PA USA
| | - Nathan L. Stephenson
- grid.2865.90000000121546924USGS Western Ecological Research Center, Three Rivers, CA USA
| | - Samantha Sutton
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Jennifer J. Swenson
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Margaret Swift
- grid.26009.3d0000 0004 1936 7961Nicholas School of the Environment, Duke University, Durham, NC USA
| | - Thomas T. Veblen
- grid.450307.5INRAE, LESSEM, University Grenoble Alpes, Saint-Martin-d’Heres, France
| | - Amy V. Whipple
- grid.261120.60000 0004 1936 8040Department of Biological Science, Northern Arizona University, Flagstaff, AZ USA
| | - Thomas G. Whitham
- grid.261120.60000 0004 1936 8040Department of Biological Science, Northern Arizona University, Flagstaff, AZ USA
| | - Andreas P. Wion
- grid.47894.360000 0004 1936 8083Department of Forest and Rangeland Stewardship, Colorado State University, Fort Collins, CO USA
| | - Kai Zhu
- grid.205975.c0000 0001 0740 6917University of California, Santa Cruz, Santa Cruz, CA USA
| | - Roman Zlotin
- grid.411377.70000 0001 0790 959XGeography Department and Russian and East European Institute, Bloomington, IN USA
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12
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Schook DM, Friedman JM, Stricker CA, Csank AZ, Cooper DJ. Short- and long-term responses of riparian cottonwoods (Populus spp.) to flow diversion: Analysis of tree-ring radial growth and stable carbon isotopes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 735:139523. [PMID: 32502819 DOI: 10.1016/j.scitotenv.2020.139523] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/05/2020] [Accepted: 05/16/2020] [Indexed: 06/11/2023]
Abstract
Long duration tree-ring records with annual precision allow for the reconstruction of past growing conditions. Investigations limited to the most common tree-ring proxy of ring width can be difficult to interpret, however, because radial growth is affected by multiple environmental processes. Furthermore, studies of living trees may miss important effects of drought on tree survival and forest changes. Stable carbon isotopes can help distinguish drought from other environmental factors that influence tree-ring width and forest stand condition. We quantified tree-ring radial expansion and stable carbon isotope ratios (δ13C) in riparian cottonwoods (Populus angustifolia and P. angustifolia x P.trichocarpa) along Snake Creek in Nevada, USA. We investigated how hydrological drought affected tree growth and death at annual to half-century scales in a partially dewatered reach (DW) compared to reference reaches immediately upstream and downstream. A gradual decline in tree-ring basal area increment (BAI) began at DW concurrent to streamflow diversion in 1961. BAI at DW diverged from one reference reach immediately but not from the other until nearly 50 years later. In contrast, tree-ring δ13C had a rapid and sustained increase following diversion at DW only, providing the stronger and clearer drought signal. BAI and δ13C were not significantly correlated prior to diversion; after diversion they both reflected drought and were correlated for DW trees only. Cluster analyses distinguished all trees in DW from those in reference reaches based on δ13C, but BAI patterns left trees intermixed across reaches. Branch and tree mortality were also highest and canopy vigor was lowest in DW. Results indicate that water scarcity strongly limited cottonwood photosynthesis following flow diversion, thus reducing carbon assimilation, basal growth and survival. The dieback was not sudden, but occurred over decades as carbon deficits mounted and depleted streamflow left trees increasingly vulnerable to local meteorological drought.
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Affiliation(s)
- Derek M Schook
- Colorado State University, Department of Forest and Rangeland Stewardship, Campus Delivery 1472, Fort Collins, CO 80523, USA; National Park Service, Water Resources Division, 1201 Oakridge Drive #250, Fort Collins, CO 80525, USA.
| | - Jonathan M Friedman
- U.S. Geological Survey, 2150 Centre Avenue, Building C, Fort Collins, CO 80526, USA
| | - Craig A Stricker
- U.S. Geological Survey, Denver Federal Center, Building 95, MS963, Denver, CO 80225, USA
| | - Adam Z Csank
- University of Nevada, Department of Geography, 1664 N. Virginia St., Reno, NV 89557, USA
| | - David J Cooper
- Colorado State University, Department of Forest and Rangeland Stewardship, Campus Delivery 1472, Fort Collins, CO 80523, USA
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13
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Mund M, Herbst M, Knohl A, Matthäus B, Schumacher J, Schall P, Siebicke L, Tamrakar R, Ammer C. It is not just a 'trade-off': indications for sink- and source-limitation to vegetative and regenerative growth in an old-growth beech forest. THE NEW PHYTOLOGIST 2020; 226:111-125. [PMID: 31901219 DOI: 10.1111/nph.16408] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 11/10/2019] [Indexed: 06/10/2023]
Abstract
Controls on tree growth are key issues in plant physiology. The hypothesis of our study was that the interannual variability of wood and fruit production are primarily controlled directly by weather conditions (sink limitation), while carbon assimilation (source limitation) plays a secondary role. We analyzed the interannual variability of weather conditions, gross primary productivity (GPP) and net primary productivity (NPP) of wood and fruits of an old-growth, unmanaged Fagus sylvatica forest over 14 yr, including six mast years. In a multiple linear regression model, c. 71% of the annual variation in wood-NPP could be explained by mean air temperature in May, precipitation from April to May (positive influence) and fruit-NPP (negative influence). GPP of June to July solely explained c. 42% of the variation in wood-NPP. Fruit-NPP was positively related to summer precipitation 2 yr before (R2 = 0.85), and negatively to precipitation in May (R2 = 0.83) in the fruit years. GPP had no influence on fruit-NPP. Our results suggest a complex system of sink and source limitations to tree growth driven by weather conditions and going beyond a simple carbon-mediated 'trade-off' between regenerative and vegetative growth.
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Affiliation(s)
- Martina Mund
- Silviculture and Forest Ecology of the Temperate Zones, University of Göttingen, Büsgenweg 1, D-37077, Göttingen, Germany
| | - Mathias Herbst
- German Meteorological Service, Centre for Agrometeorological Research, Bundesallee 33, D-38116, Braunschweig, Germany
| | - Alexander Knohl
- Bioclimatology, University of Göttingen, Büsgenweg 2, D-37077, Göttingen, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Göttingen, Büsgenweg 1, D-37073, Göttingen, Germany
| | - Bertrand Matthäus
- Max Rubner-Institute, Federal Research Institute of Nutrition and Food, Schützenberg 12, D-32756, Detmold, Germany
| | - Jens Schumacher
- Institute of Mathematics, University of Jena, Ernst-Abbe-Platz 2, D-07743, Jena, Germany
| | - Peter Schall
- Silviculture and Forest Ecology of the Temperate Zones, University of Göttingen, Büsgenweg 1, D-37077, Göttingen, Germany
| | - Lukas Siebicke
- Bioclimatology, University of Göttingen, Büsgenweg 2, D-37077, Göttingen, Germany
| | - Rijan Tamrakar
- Bioclimatology, University of Göttingen, Büsgenweg 2, D-37077, Göttingen, Germany
- School of Natural Sciences, Bangor University, Bangor, LL57 2UW, UK
| | - Christian Ammer
- Silviculture and Forest Ecology of the Temperate Zones, University of Göttingen, Büsgenweg 1, D-37077, Göttingen, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Göttingen, Büsgenweg 1, D-37073, Göttingen, Germany
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14
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Extreme summer heat and drought lead to early fruit abortion in European beech. Sci Rep 2020; 10:5334. [PMID: 32210278 PMCID: PMC7093476 DOI: 10.1038/s41598-020-62073-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Accepted: 03/09/2020] [Indexed: 11/24/2022] Open
Abstract
Years with high fruit production, known as mast years, are the usual reproduction strategy of European beech. Harsh weather conditions such as frost during flowering can lead to pollination failure in spring. It has been assumed that mast is controlled by flowering, and that after successful pollination, high amounts of fruits and seeds would be produced. However, the extremely hot and dry European summer of 2018 showed that despite successful pollination, beechnuts did not develop or were only abundant in a few forest stands. An in-depth analysis of three forest sites of European beech from the Swiss Long-Term Forest Ecosystem Research Programme over the last 15–19 years revealed for the first time that extreme summer heat and drought can act as an “environmental veto”, leading to early fruit abortion. Within the forest stands in years with fruit abortion, summer mean temperatures were 1.5 °C higher and precipitation sums were 45% lower than the long-term average. Extreme summer heat and drought, together with frost during flowering, are therefore disrupting events of the assumed biennial fruiting cycle in European beech.
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15
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Merganičová K, Merganič J, Lehtonen A, Vacchiano G, Sever MZO, Augustynczik ALD, Grote R, Kyselová I, Mäkelä A, Yousefpour R, Krejza J, Collalti A, Reyer CPO. Forest carbon allocation modelling under climate change. TREE PHYSIOLOGY 2019; 39:1937-1960. [PMID: 31748793 PMCID: PMC6995853 DOI: 10.1093/treephys/tpz105] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 06/03/2019] [Accepted: 09/24/2019] [Indexed: 05/19/2023]
Abstract
Carbon allocation plays a key role in ecosystem dynamics and plant adaptation to changing environmental conditions. Hence, proper description of this process in vegetation models is crucial for the simulations of the impact of climate change on carbon cycling in forests. Here we review how carbon allocation modelling is currently implemented in 31 contrasting models to identify the main gaps compared with our theoretical and empirical understanding of carbon allocation. A hybrid approach based on combining several principles and/or types of carbon allocation modelling prevailed in the examined models, while physiologically more sophisticated approaches were used less often than empirical ones. The analysis revealed that, although the number of carbon allocation studies over the past 10 years has substantially increased, some background processes are still insufficiently understood and some issues in models are frequently poorly represented, oversimplified or even omitted. Hence, current challenges for carbon allocation modelling in forest ecosystems are (i) to overcome remaining limits in process understanding, particularly regarding the impact of disturbances on carbon allocation, accumulation and utilization of nonstructural carbohydrates, and carbon use by symbionts, and (ii) to implement existing knowledge of carbon allocation into defence, regeneration and improved resource uptake in order to better account for changing environmental conditions.
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Affiliation(s)
- Katarína Merganičová
- Czech University of Life Sciences, Prague, Faculty of Forestry and Wood Sciences, Kamýcká 129, 16500 Praha-Suchdol, Czech Republic
- Technical University Zvolen, Forestry Faculty, T. G. Masaryka 24, 96053 Zvolen, Slovakia
| | - Ján Merganič
- Technical University Zvolen, Forestry Faculty, T. G. Masaryka 24, 96053 Zvolen, Slovakia
| | - Aleksi Lehtonen
- The Finnish Forest Research Institute - Luke, PO Box 18 (Jokiniemenkuja 1), FI-01301 Vantaa, Finland
| | - Giorgio Vacchiano
- Università degli Studi di Milano, DISAA. Via Celoria 2, 20132 Milano, Italy
| | - Maša Zorana Ostrogović Sever
- Croatian Forest Research Institute, Department for forest management and forestry economics, Cvjetno naselje 41, 10450 Jastrebarsko, Croatia
| | | | - Rüdiger Grote
- Institute of Meteorology and Climate Research (IMK-IFU), Karlsruhe Institute of Technology, Garmisch-Partenkirchen, Germany
| | - Ina Kyselová
- Global Change Research Institute CAS, Bělidla 986/4a, 603 00 Brno, Czech Republic
| | - Annikki Mäkelä
- University of Helsinki, Department of Forest Science, Latokartanonkaari 7, P.O. Box 27, 00014 Helsinki, Finland
| | - Rasoul Yousefpour
- University of Freiburg, Tennenbacher Str. 4 (2. OG), D-79106 Freiburg, Germany
| | - Jan Krejza
- Global Change Research Institute CAS, Bělidla 986/4a, 603 00 Brno, Czech Republic
| | - Alessio Collalti
- National Research Council of Italy, Institute for Agriculture and Forestry Systems in the Mediterranean (CNR-ISAFOM), 87036 Rende, Italy
- Department of Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, 01100 Viterbo, Italy
| | - Christopher P O Reyer
- Potsdam Institute for Climate Impact Research, Telegraphenberg, PO Box 601203, D-14473 Potsdam, Germany
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16
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Impacts of Multiple Environmental Change Drivers on Growth of European Beech (Fagus sylvatica): Forest History Matters. Ecosystems 2019. [DOI: 10.1007/s10021-019-00419-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Lauder JD, Moran EV, Hart SC. Fight or flight? Potential tradeoffs between drought defense and reproduction in conifers. TREE PHYSIOLOGY 2019; 39:1071-1085. [PMID: 30924877 DOI: 10.1093/treephys/tpz031] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 12/26/2018] [Accepted: 03/03/2019] [Indexed: 06/09/2023]
Abstract
Plants frequently exhibit tradeoffs between reproduction and growth when resources are limited, and often change these allocation patterns in response to stress. Shorter-lived plants such as annuals tend to allocate relatively more resources toward reproduction when stressed, while longer-lived plants tend to invest more heavily in survival and stress defense. However, severe stress may affect the fitness implications of allocating relatively more resources to reproduction versus stress defense. Increased drought intensity and duration have led to widespread mortality events in coniferous forests. In this review, we ask how potential tradeoffs between reproduction and survival influence the likelihood of drought-induced mortality and species persistence. We propose that trees may exhibit what we call 'fight or flight' behaviors under stress. 'Fight' behaviors involve greater resource allocation toward survival (e.g., growth, drought-resistant xylem and pest defense). 'Flight' consists of higher relative allocation of resources to reproduction, potentially increasing both offspring production and mortality risk for the adult. We hypothesize that flight behaviors increase as drought stress escalates the likelihood of mortality in a given location.
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Affiliation(s)
- Jeffrey D Lauder
- Quantitative and Systems Biology Graduate Group, University of California, Merced, N. Lake Road, Merced, CA, USA
| | - Emily V Moran
- Department of Life & Environmental Sciences and Sierra Nevada Research Institute, University of California, Merced, N. Lake Road, Merced, CA, USA
| | - Stephen C Hart
- Department of Life & Environmental Sciences and Sierra Nevada Research Institute, University of California, Merced, N. Lake Road, Merced, CA, USA
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18
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Using Annual Resolution Pollen Analysis to Synchronize Varve and Tree-Ring Records. QUATERNARY 2019. [DOI: 10.3390/quat2030023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Fossil wood and varved lake sediments allow proxy analysis with exceptionally high, (sub-)annual resolution. Both archives provide dating through ring and layer counting, yet with different accuracy. In wood, counting errors are small and can be eliminated through cross-dating because tree-rings show regionally synchronous patterns. In varved sediments, counting errors are larger and cross-dating is hampered by missing regional patterns in varve parameters. Here, we test whether annual pollen analysis is suited to synchronize varve records. To that end, annual pollen deposition was estimated in three short cores from two lakes in north-eastern Germany for the period 1980–2017 CE. Analysis has focused on Fagus sylvatica and Picea abies, which show the strongest annual variations in flowering (mast). For both tree taxa, annual flowering variations recorded by forest and pollen monitoring are well represented in varved lake sediments, hence indeed allow us to synchronize the records. Some pollen mast events were not recognized, which may relate to sampling uncertainties, redeposition or regional variations in flowering. In Fagus sylvatica, intense flowering limits wood growth in the same year. Peaks in pollen deposition hence correlate with minima in tree-ring width, which provides a link between varved lake sediments and fossil wood.
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19
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Dorado-Liñán I, Piovesan G, Martínez-Sancho E, Gea-Izquierdo G, Zang C, Cañellas I, Castagneri D, Di Filippo A, Gutiérrez E, Ewald J, Fernández-de-Uña L, Hornstein D, Jantsch MC, Levanič T, Mellert KH, Vacchiano G, Zlatanov T, Menzel A. Geographical adaptation prevails over species-specific determinism in trees' vulnerability to climate change at Mediterranean rear-edge forests. GLOBAL CHANGE BIOLOGY 2019; 25:1296-1314. [PMID: 30548989 DOI: 10.1111/gcb.14544] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 11/07/2018] [Indexed: 06/09/2023]
Abstract
Climate change may reduce forest growth and increase forest mortality, which is connected to high carbon costs through reductions in gross primary production and net ecosystem exchange. Yet, the spatiotemporal patterns of vulnerability to both short-term extreme events and gradual environmental changes are quite uncertain across the species' limits of tolerance to dryness. Such information is fundamental for defining ecologically relevant upper limits of species tolerance to drought and, hence, to predict the risk of increased forest mortality and shifts in species composition. We investigate here to what extent the impact of short- and long-term environmental changes determines vulnerability to climate change of three evergreen conifers (Scots pine, silver fir, Norway spruce) and two deciduous hardwoods (European beech, sessile oak) tree species at their southernmost limits of distribution in the Mediterranean Basin. Finally, we simulated future forest growth under RCP 2.6 and 8.5 emission scenarios using a multispecies generalized linear mixed model. Our analysis provides four key insights into the patterns of species' vulnerability to climate change. First, site climatic marginality was significantly linked to the growth trends: increasing growth was related to less climatically limited sites. Second, estimated species-specific vulnerability did not match their a priori rank in drought tolerance: Scots pine and beech seem to be the most vulnerable species among those studied despite their contrasting physiologies. Third, adaptation to site conditions prevails over species-specific determinism in forest response to climate change. And fourth, regional differences in forests vulnerability to climate change across the Mediterranean Basin are linked to the influence of summer atmospheric circulation patterns, which are not correctly represented in global climate models. Thus, projections of forest performance should reconsider the traditional classification of tree species in functional types and critically evaluate the fine-scale limitations of the climate data generated by global climate models.
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Affiliation(s)
- Isabel Dorado-Liñán
- Forest Research Centre (INIA-CIFOR), Madrid, Spain
- Forest Genetics and Ecophysiology Research Group, Technical University of Madrid, Madrid, Spain
- Ecoclimatology, Department of Ecology and Ecosystem Management, Technische Universität München, Freising, Germany
| | - Gianluca Piovesan
- DendrologyLab, DAFNE, Università degli Studi della Tuscia, Viterbo, Italy
| | - Elisabet Martínez-Sancho
- Ecoclimatology, Department of Ecology and Ecosystem Management, Technische Universität München, Freising, Germany
- Departamento de Ecología, Universidad de Barcelona, Barcelona, Spain
| | | | - Christian Zang
- Ecoclimatology, Department of Ecology and Ecosystem Management, Technische Universität München, Freising, Germany
- Land Surface-Atmosphere Interactions, Department of Ecology and Ecosystem Management, Technische Universität München, Freising, Germany
| | | | | | - Alfredo Di Filippo
- DendrologyLab, DAFNE, Università degli Studi della Tuscia, Viterbo, Italy
| | - Emilia Gutiérrez
- Departamento de Ecología, Universidad de Barcelona, Barcelona, Spain
| | - Joerg Ewald
- Faculty of Forestry, University of Applied Sciences Weihenstephan Triesdorf, Freising, Germany
| | | | - Daniel Hornstein
- Faculty of Forestry, University of Applied Sciences Weihenstephan Triesdorf, Freising, Germany
| | | | - Tom Levanič
- Department of Forest Yield and Silviculture, Slovenian Forestry Institute, Ljubljana, Slovenia
| | - Karl H Mellert
- Forest Nutrition and Water Resources, University of Technology, Munich, Freising, Germany
| | | | - Tzvetan Zlatanov
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Annette Menzel
- Ecoclimatology, Department of Ecology and Ecosystem Management, Technische Universität München, Freising, Germany
- Institute for Advanced Study, Technische Universität München, Garching, Germany
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20
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Maes SL, Perring MP, Vanhellemont M, Depauw L, Van den Bulcke J, Brūmelis G, Brunet J, Decocq G, den Ouden J, Härdtle W, Hédl R, Heinken T, Heinrichs S, Jaroszewicz B, Kopecký M, Máliš F, Wulf M, Verheyen K. Environmental drivers interactively affect individual tree growth across temperate European forests. GLOBAL CHANGE BIOLOGY 2019; 25:201-217. [PMID: 30346104 DOI: 10.1111/gcb.14493] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 09/26/2018] [Accepted: 10/11/2018] [Indexed: 05/25/2023]
Abstract
Forecasting the growth of tree species to future environmental changes requires a better understanding of its determinants. Tree growth is known to respond to global-change drivers such as climate change or atmospheric deposition, as well as to local land-use drivers such as forest management. Yet, large geographical scale studies examining interactive growth responses to multiple global-change drivers are relatively scarce and rarely consider management effects. Here, we assessed the interactive effects of three global-change drivers (temperature, precipitation and nitrogen deposition) on individual tree growth of three study species (Quercus robur/petraea, Fagus sylvatica and Fraxinus excelsior). We sampled trees along spatial environmental gradients across Europe and accounted for the effects of management for Quercus. We collected increment cores from 267 trees distributed over 151 plots in 19 forest regions and characterized their neighbouring environment to take into account potentially confounding factors such as tree size, competition, soil conditions and elevation. We demonstrate that growth responds interactively to global-change drivers, with species-specific sensitivities to the combined factors. Simultaneously high levels of precipitation and deposition benefited Fraxinus, but negatively affected Quercus' growth, highlighting species-specific interactive tree growth responses to combined drivers. For Fagus, a stronger growth response to higher temperatures was found when precipitation was also higher, illustrating the potential negative effects of drought stress under warming for this species. Furthermore, we show that past forest management can modulate the effects of changing temperatures on Quercus' growth; individuals in plots with a coppicing history showed stronger growth responses to higher temperatures. Overall, our findings highlight how tree growth can be interactively determined by global-change drivers, and how these growth responses might be modulated by past forest management. By showing future growth changes for scenarios of environmental change, we stress the importance of considering multiple drivers, including past management and their interactions, when predicting tree growth.
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Affiliation(s)
- Sybryn L Maes
- Forest & Nature Lab, Department of Environment, Ghent University, Melle-Gontrode, Belgium
| | - Michael P Perring
- Forest & Nature Lab, Department of Environment, Ghent University, Melle-Gontrode, Belgium
- School of Biological Sciences, The University of Western Australia, Crawley, Western Australia, Australia
| | - Margot Vanhellemont
- Forest & Nature Lab, Department of Environment, Ghent University, Melle-Gontrode, Belgium
| | - Leen Depauw
- Forest & Nature Lab, Department of Environment, Ghent University, Melle-Gontrode, Belgium
| | - Jan Van den Bulcke
- UGCT - UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Gent, Belgium
| | | | - Jörg Brunet
- Southern Swedish Forest Research Centre, Swedish University of Agricultural Sciences, Alnarp, Sweden
| | - Guillaume Decocq
- Ecologie et Dynamique des Systèmes Anthropisés (EDYSAN, UMR 7058 CNRS), Jules Verne University of Picardie, Amiens Cedex 1, France
| | - Jan den Ouden
- Forest Ecology and Forest Management Group, Wageningen University, Wageningen, The Netherlands
| | - Werner Härdtle
- Institute of Ecology, Leuphana University of Lüneburg, Lüneburg, Germany
| | - Radim Hédl
- Institute of Botany, Czech Academy of Sciences, Brno, Czech Republic
- Department of Botany, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech Republic
| | - Thilo Heinken
- General Botany, Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Steffi Heinrichs
- Silviculture and Forest Ecology of the Temperate Zones, University of Göttingen, Göttingen, Germany
| | - Bogdan Jaroszewicz
- Białowieża Geobotanical Station, Faculty of Biology, University of Warsaw, Białowieża, Poland
| | - Martin Kopecký
- Institute of Botany, Czech Academy of Sciences, Průhonice, Czech Republic
- Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - František Máliš
- Faculty of Forestry, Technical University in Zvolen, Zvolen, Slovakia
- National Forest Centre, Zvolen, Slovakia
| | - Monika Wulf
- Leibniz-ZALF e.V. Müncheberg, Müncheberg, Germany
| | - Kris Verheyen
- Forest & Nature Lab, Department of Environment, Ghent University, Melle-Gontrode, Belgium
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21
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van der Maaten E, Pape J, van der Maaten-Theunissen M, Scharnweber T, Smiljanic M, Cruz-García R, Wilmking M. Distinct growth phenology but similar daily stem dynamics in three co-occurring broadleaved tree species. TREE PHYSIOLOGY 2018; 38:1820-1828. [PMID: 29718395 DOI: 10.1093/treephys/tpy042] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 04/04/2018] [Indexed: 06/08/2023]
Abstract
Dendrometers offer a useful tool for long-term, high-resolution monitoring of tree responses to environmental fluctuations and climate change. Here, we analyze a 4-year dendrometer dataset (2014-17) on European beech (Fagus sylvatica L.), common hornbeam (Carpinus betulus L.) and pedunculate oak (Quercus robur L.), co-occuring in a mixed broadleaved forest in northeastern Germany. In our analyses, we focus both on seasonal growth dynamics as well as on the environmental forcing of daily stem-size variations. Over the study period with contrasting weather conditions, we observed species- and year-specific differences in growth phenology (i.e., growth onset, cessation and duration). Oak was characterized by early growth onset and long growth duration in all years as compared with beech and hornbeam. The analysis on the environmental forcing of daily stem dynamics revealed, however, highly similar responses for the studied species, with current-day vapor pressure deficit and sunshine duration negatively, and relative humidity and precipitation positively affecting stem size. When considering lagged effects, environmental conditions often oppositely affected stem-size changes. No consistent seasonality in environmental responses was detected, though specific weather conditions were found to affect temporal patterns in individual years. We suggest that the high similarity in environmental forcing observed between tree species can be explained by daily stem-size changes mainly reflecting tree water status rather than tree growth. Our results stress that correcting dendrometer series for reversible stem hydrological changes is of utmost importance to better quantify tree growth from dendrometers in future.
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Affiliation(s)
- Ernst van der Maaten
- Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, Greifswald, Germany
- Chair of Forest Growth and Woody Biomass Production, TU Dresden, Pienner Str. 8, Tharandt, Germany
| | - Jonas Pape
- Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, Greifswald, Germany
| | - Marieke van der Maaten-Theunissen
- Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, Greifswald, Germany
- Chair of Forest Growth and Woody Biomass Production, TU Dresden, Pienner Str. 8, Tharandt, Germany
| | - Tobias Scharnweber
- Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, Greifswald, Germany
| | - Marko Smiljanic
- Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, Greifswald, Germany
| | - Roberto Cruz-García
- Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, Greifswald, Germany
| | - Martin Wilmking
- Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, Greifswald, Germany
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22
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Hacket-Pain AJ, Ascoli D, Vacchiano G, Biondi F, Cavin L, Conedera M, Drobyshev I, Liñán ID, Friend AD, Grabner M, Hartl C, Kreyling J, Lebourgeois F, Levanič T, Menzel A, van der Maaten E, van der Maaten-Theunissen M, Muffler L, Motta R, Roibu CC, Popa I, Scharnweber T, Weigel R, Wilmking M, Zang CS. Climatically controlled reproduction drives interannual growth variability in a temperate tree species. Ecol Lett 2018; 21:1833-1844. [PMID: 30230201 PMCID: PMC6446945 DOI: 10.1111/ele.13158] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 06/20/2018] [Accepted: 08/23/2018] [Indexed: 01/17/2023]
Abstract
Climatically controlled allocation to reproduction is a key mechanism by which climate influences tree growth and may explain lagged correlations between climate and growth. We used continent-wide datasets of tree-ring chronologies and annual reproductive effort in Fagus sylvatica from 1901 to 2015 to characterise relationships between climate, reproduction and growth. Results highlight that variable allocation to reproduction is a key factor for growth in this species, and that high reproductive effort ('mast years') is associated with stem growth reduction. Additionally, high reproductive effort is associated with previous summer temperature, creating lagged climate effects on growth. Consequently, understanding growth variability in forest ecosystems requires the incorporation of reproduction, which can be highly variable. Our results suggest that future response of growth dynamics to climate change in this species will be strongly influenced by the response of reproduction.
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Affiliation(s)
- Andrew J Hacket-Pain
- Department of Geography and Planning, School of Environmental Sciences, University of Liverpool, Liverpool, UK
| | - Davide Ascoli
- Dipartimento di Agraria, University of Naples Federico II, via Università 100, 80055, Portici (NA), Italy
| | - Giorgio Vacchiano
- DISAA, Università degli Studi di Milano, via Celoria 2, 20133, Milano, Italy
| | - Franco Biondi
- DendroLab, Department of Natural Resources and Environmental Science, University of Nevada, Reno, NV, 89509, USA
| | - Liam Cavin
- Biological and Environmental Sciences, University of Stirling, Stirling, FK9 4LA, UK
| | - Marco Conedera
- Swiss Federal Institute for Forest, Snow, and Landscape Research WSL, a Ramél 18, CH-6953, Cadenazzo, Switzerland
| | - Igor Drobyshev
- Southern Swedish Forest Research Centre, Swedish University of Agricultural Sciences, P.O. Box 49, 230 53, Alnarp, Sweden.,Institut de recherche sur les forêts, Université du Québec en Abitibi-Témiscamingue, 445 boulevard de l' Université, Rouyn-Noranda, QC, J9X 5E4, Canada
| | - Isabel Dorado Liñán
- Forest Research Centre, (INIA-CIFOR), Ctra. La Coruñna km. 7.5, 28040, Madrid, Spain
| | - Andrew D Friend
- Department of Geography, University of Cambridge, Cambridge, UK
| | - Michael Grabner
- University of Natural Resources and Life Science - BOKU, Vienna, Austria
| | - Claudia Hartl
- Department of Geography, Johannes Gutenberg-University, Johann-Joachim-Becher-Weg 21, 55128, Mainz, Germany
| | - Juergen Kreyling
- Institute of Botany and Landscape Ecology, University of Greifswald, 17489, Greifswald, Germany
| | - François Lebourgeois
- Université de Lorraine, AgroParisTech, INRA, UMR Silva, 14 rue Girardet, 54000, Nancy, France
| | - Tom Levanič
- Slovenian Forestry Institute, Večna pot 2, SI-1000, Ljubljana, Slovenia
| | - Annette Menzel
- TUM School of Life Sciences, Professorship of Ecoclimatology, Technical University of Munich, Hans-Carl-von-Carlowitz-Platz 2, 85354, Freising, Germany.,Institute for Advanced Study, Technical University of Munich, Lichtenbergstraße 2 a, 85748, Garching, Germany
| | - Ernst van der Maaten
- Forest Growth and Woody Biomass Production, TU Dresden, Pienner Str. 8, 01737, Tharandt, Germany
| | | | - Lena Muffler
- Institute of Botany and Landscape Ecology, University of Greifswald, 17489, Greifswald, Germany
| | - Renzo Motta
- DISAFA, University of Turin, Largo Braccini 2, 10095, Grugliasco (TO), Italy
| | | | - Ionel Popa
- National Research and Development Institute in Forestry, Marin Drăcea, Calea Bucovinei 73bis, Campulung Moldovenesc, Romania
| | - Tobias Scharnweber
- Institute of Botany and Landscape Ecology, University of Greifswald, 17489, Greifswald, Germany
| | - Robert Weigel
- Institute of Botany and Landscape Ecology, University of Greifswald, 17489, Greifswald, Germany
| | - Martin Wilmking
- Institute of Botany and Landscape Ecology, University of Greifswald, 17489, Greifswald, Germany
| | - Christian S Zang
- TUM School of Life Sciences, Technical University of Munich, Hans-Carl-von-Carlowitz-Platz 2, 85354, Freising, Germany
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23
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Legacy effects of land-use modulate tree growth responses to climate extremes. Oecologia 2018; 187:825-837. [DOI: 10.1007/s00442-018-4156-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 05/02/2018] [Indexed: 10/16/2022]
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24
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Dorado-Liñán I, Akhmetzyanov L, Menzel A. Climate threats on growth of rear-edge European beech peripheral populations in Spain. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2017; 61:2097-2110. [PMID: 28733860 DOI: 10.1007/s00484-017-1410-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 05/16/2017] [Accepted: 07/10/2017] [Indexed: 06/07/2023]
Abstract
European beech (Fagus sylvatica L.) forests in the Iberian Peninsula are a clear example of a temperate forest tree species at the rear edge of its large distribution area in Europe. The expected drier and warmer climate may alter tree growth and species distribution. Consequently, the peripheral populations will most likely be the most threatened ones. Four peripheral beech forests in the Iberian Peninsula were studied in order to assess the climate factors influencing tree growth for the last six decades. The analyses included an individual tree approach in order to detect not only the changes in the sensitivity to climate but also the potential size-mediated sensitivity to climate. Our results revealed a dominant influence of previous and current year summer on tree growth during the last six decades, although the analysis in two equally long periods unveiled changes and shifts in tree sensitivity to climate. The individual tree approach showed that those changes in tree response to climate are not size dependent in most of the cases. We observed a reduced negative effect of warmer winter temperatures at some sites and a generalized increased influence of previous year climatic conditions on current year tree growth. These results highlight the crucial role played by carryover effects and stored carbohydrates for future tree growth and species persistence.
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Affiliation(s)
- I Dorado-Liñán
- Forest Research Centre, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-CIFOR), Madrid, Spain.
- Ecoclimatology, Technische Universität München, Freising, Germany.
| | - L Akhmetzyanov
- Ecoclimatology, Technische Universität München, Freising, Germany
- Forest Ecology and Forest Management Group, Wageningen University, Wageningen, The Netherlands
| | - A Menzel
- Ecoclimatology, Technische Universität München, Freising, Germany
- Institute for Advanced Study, Technische Universität München, Garching, Germany
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25
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Braun S, Schindler C, Rihm B. Growth trends of beech and Norway spruce in Switzerland: The role of nitrogen deposition, ozone, mineral nutrition and climate. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 599-600:637-646. [PMID: 28494288 DOI: 10.1016/j.scitotenv.2017.04.230] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 04/28/2017] [Accepted: 04/28/2017] [Indexed: 06/07/2023]
Abstract
Understanding the effects of nitrogen deposition, ozone and climate on tree growth is important for planning sustainable forest management also in the future. The complex interplay of all these factors cannot be covered by experiments. Here we use observational data of mature forests for studying associations of various biotic and abiotic factors with tree growth. A 30year time series on basal area increment of Fagus sylvatica L. and Picea abies Karst. in Switzerland was analyzed to evaluate the development in relation to a variety of predictors. Basal area increment of Fagus sylvatica has clearly decreased during the observation period. For Picea abies no trend was observed. N deposition of more than 26 (beech) or 20-22kgNha-1year-1 (Norway spruce) was negatively related with basal area increment, in beech stronger than in Norway spruce. High N deposition loads and low foliar K concentrations in Fagus were correlated with increased drought sensitivity. High air temperatures in winter were negatively related with basal area increment in Norway spruce in general and in beech at high N:Mg ratio or high N deposition while on an average the relation was positive in beech. Fructification in beech was negatively related to basal area increment. The increase of fructification observed during the last decades contributed thus to the growth decrease. Ozone flux was significantly and negatively correlated with basal area increment both in beech and Norway spruce. The results show clear non-linear effects of N deposition on stem increment of European beech and Norway spruce as well as strong interactions with climate which have contributed to the growth decrease in beech and may get more important in future. The results not only give suggestions for ecological processes but also show the potential of an integral evaluation of observational data.
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Affiliation(s)
- Sabine Braun
- Institute for Applied Plant Biology, Sandgrubenstrasse 25, 4124 Schönenbuch, Switzerland.
| | | | - Beat Rihm
- Meteotest, Fabrikstrasse 14, 3012 Berne, Switzerland.
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26
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Irregular Shelterwood Cuttings Promote Viability of European Yew Population Growing in a Managed Forest: A Case Study from the Starohorské Mountains, Slovakia. FORESTS 2017. [DOI: 10.3390/f8080289] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The increasing probability of Taxus baccata (L.) decline given climate change brings forth many uncertainties for conservation management decisions. In this article, the authors present the effects of applying regeneration cuttings since the year 2000 on the viability of the understory yew population. By collecting data from a stand located at the centre of the largest population of European yew in Slovakia, containing approximately 160,000 individuals, and analysing tree-ring records from 38 sampled trees, the improved performance of yews, including stem growth, seed production, and number of regenerated individuals, was revealed. Thinning the canopy by removing 15% of the growing stock volume per decade, combined with the subsequent irregular shelterwood cuttings, was assessed as a useful strategy. Moreover, lower radial growth of females compared to males, but simultaneously their similar response to climate, suggests a possible trade-off between reproduction and growth. Release cuttings of up to 30% of the standing volume in the vicinity of the female trees, executed in the rainy summers following warmer winters, and consistent elimination of deer browsing, can further enhance the positive effects of applied cuts on yew viability. Overall, the suggested active measures could be considered as an effective option to preserve the unique biodiversity of calcareous beech-dominated forests in Central Europe.
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27
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Vacchiano G, Hacket-Pain A, Turco M, Motta R, Maringer J, Conedera M, Drobyshev I, Ascoli D. Spatial patterns and broad-scale weather cues of beech mast seeding in Europe. THE NEW PHYTOLOGIST 2017; 215:595-608. [PMID: 28631320 DOI: 10.1111/nph.14600] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 04/09/2017] [Indexed: 05/27/2023]
Abstract
Mast seeding is a crucial population process in many tree species, but its spatio-temporal patterns and drivers at the continental scale remain unknown . Using a large dataset (8000 masting observations across Europe for years 1950-2014) we analysed the spatial pattern of masting across the entire geographical range of European beech, how it is influenced by precipitation, temperature and drought, and the temporal and spatial stability of masting-weather correlations. Beech masting exhibited a general distance-dependent synchronicity and a pattern structured in three broad geographical groups consistent with continental climate regimes. Spearman's correlations and logistic regression revealed a general pattern of beech masting correlating negatively with temperature in the summer 2 yr before masting, and positively with summer temperature 1 yr before masting (i.e. 2T model). The temperature difference between the two previous summers (DeltaT model) was also a good predictor. Moving correlation analysis applied to the longest eight chronologies (74-114 yr) revealed stable correlations between temperature and masting, confirming consistency in weather cues across space and time. These results confirm widespread dependency of masting on temperature and lend robustness to the attempts to reconstruct and predict mast years using temperature data.
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Affiliation(s)
- Giorgio Vacchiano
- DISAFA, University of Turin, Largo Braccini 2, 10095, Grugliasco (TO), Italy
| | - Andrew Hacket-Pain
- St Catherine's College, Manor Road, Oxford, OX1 3UJ, UK
- Fitzwilliam College, Storeys Way, Cambridge, CB3 0DG, UK
| | - Marco Turco
- Department of Applied Physics, University of Barcelona, Av. Diagonal 647, 08028, Barcelona, Spain
- Barcelona Supercomputing Center (BSC), c/Jordi Girona 29, 08034, Barcelona, Spain
| | - Renzo Motta
- DISAFA, University of Turin, Largo Braccini 2, 10095, Grugliasco (TO), Italy
| | - Janet Maringer
- Institute for Landscape Planning and Ecology, University of Stuttgart, Keplerstr. 11, 70174, Stuttgart, Germany
- Swiss Federal Institute for Forest, Snow, and Landscape Research WSL, a Ramél 18, CH-6953, Cadenazzo, Switzerland
| | - Marco Conedera
- Swiss Federal Institute for Forest, Snow, and Landscape Research WSL, a Ramél 18, CH-6953, Cadenazzo, Switzerland
| | - Igor Drobyshev
- Southern Swedish Forest Research Centre, Swedish University of Agricultural Sciences, PO Box 49, 230 53, Alnarp, Sweden
- Chaire industrielle CRSNG-UQAT-UQAM en aménagement forestier durable, Université du Québec en Abitibi-Témiscamingue, 445 Boulevard de l'Université, Rouyn-Noranda, QC, J9X 5E4, Canada
| | - Davide Ascoli
- Dipartimento di Agraria, University of Naples Federico II, via Università 100, 80055, Portici (NA), Italy
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Hacket-Pain AJ, Lageard JGA, Thomas PA. Drought and reproductive effort interact to control growth of a temperate broadleaved tree species (Fagus sylvatica). TREE PHYSIOLOGY 2017; 37:744-754. [PMID: 28338975 DOI: 10.1093/treephys/tpx025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 02/27/2017] [Indexed: 06/06/2023]
Abstract
Interannual variation in radial growth is influenced by a range of physiological processes, including variation in annual reproductive effort, although the importance of reproductive allocation has rarely been quantified. In this study, we use long stand-level records of annual seed production, radial growth (tree ring width) and meteorological conditions to analyse the relative importance of summer drought and reproductive effort in controlling the growth of Fagus sylvatica L., a typical masting species. We show that both summer drought and reproductive effort (masting) influenced growth. Importantly, the effects of summer drought and masting were interactive, with the greatest reductions in growth found in years when high reproductive effort (i.e., mast years) coincided with summer drought. Conversely, mast years that coincided with non-drought summers were associated with little reduction in radial growth, as were drought years that did not coincide with mast years. The results show that the strength of an inferred trade-off between growth and reproduction in this species (the cost of reproduction) is dependent on environmental stress, with a stronger trade-off in years with more stressful growing conditions. These results have widespread implications for understanding interannual variability in growth, and observed relationships between growth and climate.
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Affiliation(s)
- Andrew J Hacket-Pain
- St Catherine's College, Manor Road, Oxford OX1 3UJ, UK
- Fitzwilliam College, Storey's Way, Cambridge CB3 0DG, UK
| | - Jonathan G A Lageard
- Division of Geography and Environmental Management, Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
| | - Peter A Thomas
- School of Life Sciences, Keele University, Keele, Staffordshire ST5 5BG, UK
- Harvard Forest, Harvard University, Harvard Forest, 324 North Main Street, Petersham, MA 01366, USA
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Recent Climate Warming-Related Growth Decline Impairs European Beech in the Center of Its Distribution Range. Ecosystems 2017. [DOI: 10.1007/s10021-017-0128-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Han Q, Kagawa A, Kabeya D, Inagaki Y. Reproduction-related variation in carbon allocation to woody tissues in Fagus crenata using a natural 13C approach. TREE PHYSIOLOGY 2016; 36:1343-1352. [PMID: 27587486 DOI: 10.1093/treephys/tpw074] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 06/27/2016] [Accepted: 07/12/2016] [Indexed: 06/06/2023]
Abstract
The contribution of new photo-assimilates and stored carbon (C) to plant growth remains poorly understood, especially during reproduction. In order to elucidate how mast seeding affects C allocation to both reproductive and vegetative tissues, we measured biomass increase in each tissue, branch starch concentration and stable C isotope composition (δ13C) in bulk leaves, current-year shoots, 3-year branches and tree rings in fruiting and non-fruiting trees for 2 years, as well as in fruits. We isolated the effect of reproduction on C allocation to vegetative growth by comparing 13C enrichment in woody tissues in fruiting and non-fruiting specimens. Compared with 2‰ 13C enrichment in shoots relative to leaves from non-fruiting trees, fruiting reduced the enrichment to 1‰ and this reduction disappeared in the following year with no fruiting, indicating that new photo-assimilates are preferentially used for woody tissues even with fruiting burden. In contrast, fruits had up to 2.5‰ 13C enrichment at mid-summer, which dropped thereafter, indicating that fruit production relies on C storage early in the growing season then shifts to current photo-assimilates. At this tipping point, growth of shoots and cupules had almost finished and nuts had a second rapid growth period thereafter. Together with shorter shoots but higher biomass increment per length in fruiting trees than non-fruiting trees, these results indicate that the C limitation due to fruit burden is minimized by fine-tuning of allocation of old C stores and new photo-assimilates, along with the growth pattern in various tissues. Furthermore, fruiting had no significant effect on starch concentration in 3-year-old branches, which became fully depleted during leaf and flower flushing but were quickly replenished. These results indicate that reproduction affects C allocation to branches but not its source or storage. These reproduction-related variations in the fate of C have implications for evaluating forest ecosystem C cycles during climate change.
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Affiliation(s)
- Qingmin Han
- Hokkaido Research Center, Forestry and Forest Products Research Institute (FFPRI), 7 Hitsujigaoka, Toyohira, Sapporo, Hokkaido 062-8516, Japan
- Department of Plant Ecology, FFPRI, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
| | - Akira Kagawa
- Department of Wood Properties, FFPRI, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
| | - Daisuke Kabeya
- Department of Plant Ecology, FFPRI, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
| | - Yoshiyuki Inagaki
- Department of Forest Site Environment, FFPRI, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
- Present address: Shikoku Research Center, FFPRI, 2-915 Asakuranishi, Kochi, 780-8077, Japan
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