Root traits explain plant species distributions along climatic gradients yet challenge the nature of ecological trade-offs
Laughlin, Daniel C. (University of Wyoming. Department of Botany)
Mommer, Liesje (Wageningen University & Research)
Sabatini, Francesco Maria (German Centre for Integrative Biodiversity Research (Halle-Jena-Leipzig, Alemanya))
Bruelheide, Helge (German Centre for Integrative Biodiversity Research (Halle-Jena-Leipzig, Alemanya))
Kuyper, Thomas (Wageningen University & Research)
McCormack, M. Luke (Center for Tree Science. The Morton Arboretum (USA))
Bergmann, Joana (Leibniz Centre for Agricultural Landscape Research)
Freschet, Grégoire (Centre National de la Recherche Scientifique. Station d'Écologie Théorique et Expérimentale)
Guerrero-Ramírez, Nathaly R. (University of Goettingen. Biodiversity, Macroecology and Biogeography)
Iversen, Colleen (Oak Ridge National Laboratory. Climate Change Science Institute)
Kattge, Jens (German Centre for Integrative Biodiversity Research (Halle-Jena-Leipzig, Alemanya))
Meier, Ina Christin (Universität Hamburg. Department of Biology)
Poorter, Hendrik (Macquarie University. Department of Biological Sciences)
Roumet, Catherine (Centre National de la Recherche Scientifique. Université de Montpellier)
Semchenko, Marina (University of Tartu. Institute of Ecology and Earth Sciences)
Sweeney, Christopher J. (The University of Manchester. Department of Earth and Environmental Sciences)
Valverde-Barrantes, Oscar (Florida International University. Department of Biological Sciences)
van der Plas, Fons (Wageningen University & Research)
van Ruijven, Jasper (Wageningen University & Research)
M. York, Larry (Noble Research Institute (USA))
Aubin, Isabelle (Natural Resources Canada. Great Lakes Forestry Centre)
Burge, Olivia Rata (Manaaki Whenua - Landcare Research. Ecosystems and Conservation)
Byun, Chaeho (Andong National University. Department of Biological Sciences and Biotechnology)
Ćušterevska, Renata (University of Ss. Cyril and Methodius. Institute of Biology)
Dengler, Jürgen (Zurich University of Applied Sciences. Institute of Natural Resource Sciences)
Forey, Estelle (Université de Rouen Normandie)
Guerin, Greg (The University of Queensland. Terrestrial Ecosystem Research Network)
Hérault, Bruno (Institut National Polytechnique Félix Houphouët-Boigny)
Jackson, Robert (Stanford University. Department of Earth System Science)
Karger, Dirk Nikolaus (Swiss Federal Institute for Forest. Snow and Landscape Research)
Lenoir, Jonathan (Centre National de la Recherche Scientifique. Université de Picardie Jules Verne)
Lysenko, Tatiana (Russian Academy of Sciences . Komarov Botanical Institute)
Meir, Patrick (Australian National University)
Niinemets, Ülo (Estonian University of Life SciencesCrop Science and Plant Biology)
Ozinga, Wim (Wageningen University & Research)
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Reich, Peter (Western Sydney University. Hawkesbury Institute for the Environment)
Schmidt, Marco (Senckenberg Biodiversity and Climate Research Centre. Data and Modelling Centre)
Schrodt, Franziska (University of Nottingham)
Velázquez, Eduardo (Universidad de Valladolid. Instituto de Investigación en Gestión Forestal Sostenible)
Weigelt, Alexandra (German Centre for Integrative Biodiversity Research (Halle-Jena-Leipzig, Alemanya))

Data:	2021
Resum:	Ecological theory is built on trade-offs, where trait differences among species evolved as adaptations to different environments. Trade-offs are often assumed to be bidirectional, where opposite ends of a gradient in trait values confer advantages in different environments. However, unidirectional benefits could be widespread if extreme trait values confer advantages at one end of an environmental gradient, whereas a wide range of trait values are equally beneficial at the other end. Here, we show that root traits explain species occurrences along broad gradients of temperature and water availability, but model predictions only resembled trade-offs in two out of 24 models. Forest species with low specific root length and high root tissue density (RTD) were more likely to occur in warm climates but species with high specific root length and low RTD were more likely to occur in cold climates. Unidirectional benefits were more prevalent than trade-offs: for example, species with large-diameter roots and high RTD were more commonly associated with dry climates, but species with the opposite trait values were not associated with wet climates. Directional selection for traits consistently occurred in cold or dry climates, whereas a diversity of root trait values were equally viable in warm or wet climates. Explicit integration of unidirectional benefits into ecological theory is needed to advance our understanding of the consequences of trait variation on species responses to environmental change.
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Llengua:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Matèria:	Biogeography ; Community ecology ; Ecophysiology ; Natural variation in plants
Publicat a:	Nature ecology & evolution, Vol. 5 (June 2021) , p. 1123-1134, ISSN 2397-334X

DOI: 10.1038/s41559-021-01471-7

Postprint 34 p, 719.7 KB

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Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals)
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