Plant functional traits have globally consistent effects on competition

Georges Kunstler; Daniel Falster; David A Coomes; Francis Hui; Robert M Kooyman; Daniel C Laughlin; Lourens Poorter; Mark Vanderwel; Ghislain Vieilledent; S Joseph Wright; Masahiro Aiba; Christopher Baraloto; John Caspersen; J Hans C Cornelissen; Sylvie Gourlet-Fleury; Marc Hanewinkel; Bruno Herault; Jens Kattge; Hiroko Kurokawa; Yusuke Onoda; Josep Peñuelas; Hendrik Poorter; Maria Uriarte; Sarah Richardson; Paloma Ruiz-Benito; I-Fang Sun; Göran Ståhl; Nathan G Swenson; Jill Thompson; Bertil Westerlund; Christian Wirth; Miguel A Zavala; Hongcheng Zeng; Jess K Zimmerman; Niklaus E Zimmermann; Mark Westoby; Sveriges lantbruksuniversitet

doi:10.1038/nature16476

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Plant functional traits have globally consistent effects on competition

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Plant functional traits have globally consistent effects on competition

Georges Kunstler, Daniel Falster, David A Coomes, Francis Hui, Robert M Kooyman, Daniel C Laughlin, Lourens Poorter, Mark Vanderwel, Ghislain Vieilledent, S Joseph Wright, …

Nature (London), Vol.529(7585), pp.204-207

14/01/2016

DOI: https://doi.org/10.1038/nature16476

PMID: 26700807

Résumé

Forests

Internationality

Models, Biological

Phenotype

Plant Leaves - physiology

Trees - anatomy & histology

Trees - growth & development

Trees - physiology

Wood - analysis

Phenotypic traits and their associated trade-offs have been shown to have globally consistent effects on individual plant physiological functions, but how these effects scale up to influence competition, a key driver of community assembly in terrestrial vegetation, has remained unclear. Here we use growth data from more than 3 million trees in over 140,000 plots across the world to show how three key functional traits--wood density, specific leaf area and maximum height--consistently influence competitive interactions. Fast maximum growth of a species was correlated negatively with its wood density in all biomes, and positively with its specific leaf area in most biomes. Low wood density was also correlated with a low ability to tolerate competition and a low competitive effect on neighbours, while high specific leaf area was correlated with a low competitive effect. Thus, traits generate trade-offs between performance with competition versus performance without competition, a fundamental ingredient in the classical hypothesis that the coexistence of plant species is enabled via differentiation in their successional strategies. Competition within species was stronger than between species, but an increase in trait dissimilarity between species had little influence in weakening competition. No benefit of dissimilarity was detected for specific leaf area or wood density, and only a weak benefit for maximum height. Our trait-based approach to modelling competition makes generalization possible across the forest ecosystems of the world and their highly diverse species composition.

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Détails

Titre: Plant functional traits have globally consistent effects on competition
Créateurs - sans rôle: Georges Kunstler - Department of Biological Sciences, Macquarie University, New South Wales 2109, Australia
Daniel Falster - UNSW Sydney
David A Coomes - University of Cambridge
Francis Hui - Mathematical Sciences Institute, The Australian National University, Canberra 0200, Australia
Robert M Kooyman - National Herbarium of New South Wales, Royal Botanic Gardens and Domain Trust, Sydney 2000, New South Wales, Australia
Daniel C Laughlin - Environmental Research Institute, School of Science, University of Waikato, Hamilton 3240, New Zealand
Lourens Poorter - Forest Ecology and Forest Management Group, Wageningen University, 6708 PB Wageningen, The Netherlands
Mark Vanderwel - University of Regina
Ghislain Vieilledent - Cirad, UPR BSEF, F-34398 Montpellier, France
S Joseph Wright - Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Republic of Panama
Masahiro Aiba - Tohoku University
Christopher Baraloto - International Center for Tropical Botany, Department of Biological Sciences, Florida International University, Miami, Florida 33199, USA
John Caspersen - Swiss Federal Research Institute WSL, Landscape Dynamics Unit, CH-8903 Birmensdorf, Switzerland
J Hans C Cornelissen - Systems Ecology, Department of Ecological Science, Vrije Universiteit, Amsterdam 1081 HV, The Netherlands
Sylvie Gourlet-Fleury - Cirad, UPR BSEF, F-34398 Montpellier, France
Marc Hanewinkel - University of Freiburg, Chair of Forestry Economics and Planning, D-79106 Freiburg, Germany
Bruno Herault - Cirad, UMR Ecologie des Forêts de Guyane, Campus Agronomique, BP 701, 97387 Kourou, France
Jens Kattge - German Centre for Integrative Biodiversity Research
Hiroko Kurokawa - Tohoku University
Yusuke Onoda - Kyoto University
Josep Peñuelas - CREAF, Cerdanyola del Vallès, 08193 Barcelona, Catalonia, Spain
Hendrik Poorter - Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
Maria Uriarte - Columbia University
Sarah Richardson - Landcare Research, PO Box 40, Lincoln 7640, New Zealand
Paloma Ruiz-Benito - Forest Ecology and Restoration Group, Department of Life Sciences, Science Building, University of Alcala, Campus Universitario, 28805 Alcalá de Henares (Madrid), Spain
I-Fang Sun - Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien 97401, Taiwan
Göran Ståhl - Department of Forest Resource Management, Swedish University of Agricultural Sciences (SLU), Skogsmarksgränd, 901 83 Umeå, Sweden
Nathan G Swenson - University of Maryland, College Park
Jill Thompson - Department of Environmental Sciences, University of Puerto Rico, Río Piedras Campus PO Box 70377 San Juan, Puerto Rico 00936-8377, USA
Bertil Westerlund - Swedish University of Agricultural Sciences
Christian Wirth - Institute for Systematic, Botany and Functional Biodiversity, University of Leipzig, Johannisallee 21 04103 Leipzig, Germany
Miguel A Zavala - Forest Ecology and Restoration Group, Department of Life Sciences, Science Building, University of Alcala, Campus Universitario, 28805 Alcalá de Henares (Madrid), Spain
Hongcheng Zeng - Faculty of Forestry, University of Toronto, 33 Willcocks Street, Toronto, Ontario M5S 3B3, Canada
Jess K Zimmerman - Department of Environmental Sciences, University of Puerto Rico, Río Piedras Campus PO Box 70377 San Juan, Puerto Rico 00936-8377, USA
Niklaus E Zimmermann - Swiss Federal Research Institute WSL, Landscape Dynamics Unit, CH-8903 Birmensdorf, Switzerland
Mark Westoby - UNSW Sydney
Sveriges lantbruksuniversitet
Détails de publication: Nature (London), Vol.529(7585), pp.204-207
Identifiants: 99149140609311
Unité académique: BotAnique et Modélisation de l'Architecture des Plantes et des végétations - AMAP
Langue: English
Type de ressource: Journal article