Climatic and soil factors explain the two-dimensional spectrum of global plant trait variation
2022
Joswig, Julia, | Wirth, Christian | Schuman, Meredith, | Kattge, Jens | Reu, Björn | Wright, Ian, | Sippel, Sebastian, | Rüger, Nadja | Richter, Ronny | Schaepman, Michael, | van Bodegom, Peter, | Cornelissen, J, | Díaz, Sandra | Hattingh, Wesley, | Kramer, Koen | Lens, Frederic | Niinemets, Ülo | Reich, Peter, | Reichstein, Markus | Römermann, Christine | Schrodt, Franziska | Anand, Madhur | Bahn, Michael | Byun, Chaeho | Campetella, Giandiego | Cerabolini, Bruno, | Craine, Joseph, | Gonzalez-Melo, Andres | Gutiérrez, Alvaro, | He, Tianhua | Higuchi, Pedro | Jactel, Hervé | Kraft, Nathan, | Minden, Vanessa | Onipchenko, Vladimir | Peñuelas, Josep | Pillar, Valério, | Sosinski, Ênio | Soudzilovskaia, Nadejda, | Weiher, Evan | Mahecha, Miguel, | Universität Zürich [Zürich] = University of Zurich (UZH) | Max Planck Institute for Biogeochemistry (MPI-BGC) ; Max-Planck-Gesellschaft | Leipzig University | German Centre for Integrative Biodiversity Research (iDiv) | Max-Planck-Institute for Research on Collective Goods | Universidad Industrial de Santander [Bucaramanga] (UIS) | Macquarie University [Sydney] | Institute for Atmospheric and Climate Science [Zürich] (IAC) ; Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich) | Norsk institutt for bioøkonomi=Norwegian Institute of Bioeconomy Research (NIBIO) | Universität Leipzig | Universiteit Leiden | Vrije Universiteit Brussel (VUB) | Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET) | Wageningen University and Research [Wageningen] (WUR) | Naturalis Biodiversity Center [Leiden] | Estonian University of Life Sciences (EMU) | University of Minnesota System | Western Sydney University | Department of Biogeochemical Integration [Jena] ; Max Planck Institute for Biogeochemistry (MPI-BGC) ; Max-Planck-Gesellschaft-Max-Planck-Gesellschaft | Institute of Physical Geography [Frankfurt am Main] ; Goethe-Universität Frankfurt am Main | University of Nottingham, UK (UON) | School of Environmental Sciences ; University of Guelph | Department of Ecology [Innsbruck] ; Leopold Franzens Universität Innsbruck - University of Innsbruck | Andong National University | Università degli Studi di Camerino = University of Camerino (UNICAM) | Universitá degli Studi dell’Insubria = University of Insubria [Varese] (Uninsubria) | Jonah Ventures | Universidad del Rosario [Bogota] | Universidad de Chile = University of Chile [Santiago] (UCHILE) | Murdoch University | Universidade do Estado de Santa Catarina | Biodiversité, Gènes & Communautés (BioGeCo) ; Université de Bordeaux (UB)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | University of California [Los Angeles] (UCLA) ; University of California (UC) | University of Oldenburg | Lomonosov Moscow State University (MSU) | CREAF - Centre for Ecological Research and Applied Forestries | Universidade Federal do Rio Grande do Sul [Porto Alegre] (UFRGS) | Embrapa Recursos Genéticos e Biotecnologia [Brasília] | Hasselt University (UHasselt) | University of Wisconsin-Madison | Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ)
International audience
Mostrar más [+] Menos [-]Inglés. Plant functional traits can predict community assembly and ecosystem functioning and are thus widely used in global models of vegetation dynamics and land–climate feedbacks. Still, we lack a global understanding of how land and climate affect plant traits. A previous global analysis of six traits observed two main axes of variation: (1) size variation at the organ and plant level and (2) leaf economics balancing leaf persistence against plant growth potential. The orthogonality of these two axes suggests they are differently influenced by environmental drivers. We find that these axes persist in a global dataset of 17 traits across more than 20,000 species. We find a dominant joint effect of climate and soil on trait variation. Additional independent climate effects are also observed across most traits, whereas independent soil effects are almost exclusively observed for economics traits. Variation in size traits correlates well with a latitudinal gradient related to water or energy limitation. In contrast, variation in economics traits is better explained by interactions of climate with soil fertility. These findings have the potential to improve our understanding of biodiversity patterns and our predictions of climate change impacts on biogeochemical cycles.
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