Plant species traits are the predominant control on litter decomposition rates within biomes worldwide
William K. CornwellFaculty of Earth and Life Sciences, Department of Systems Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands. [email protected]Johannes H. C. CornelissenFaculty of Earth and Life Sciences, Department of Systems Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The NetherlandsKathryn L. AmatangeloDepartment of Biological Sciences, Stanford University, Stanford, CA 94305, USAEllen DorrepaalFaculty of Earth and Life Sciences, Department of Systems Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The NetherlandsValerie T. EvinerDepartment of Plant Sciences, University of California, Davis, CA 95616-8780 USAÓscar GodoyFacultad de Ciencias, Departamento de Ecología, Universidad de Alcalá, Alcalá de Henares, Madrid, SpainSarah E. HobbieDepartment of Ecology, Evolution and Behavior, University of Minnesota, 1987 Upper Buford Circle, St Paul, MN 55108, USABart HoorensFaculty of Earth and Life Sciences, Department of Systems Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The NetherlandsHiroko KurokawaGraduate School of Environment and Information Sciences, Yokohama National University, Hodogaya, Yokohama 240-8501, JapanNatalia Pérez HarguindeguyInstituto Multidisciplinario de Biología Vegetal, F.C.E.F.yN., Universidad Nacional de Córdoba – CONICET, CC 495, 5000 Córdoba, ArgentinaHelen M. QuestedDepartment of Botany, Stockholm University, S 106 91 Stockholm, SwedenLouis S. SantiagoBotany & Plant Sciences, University of California, 2150 Batchelor Hall, Riverside, CA 92521, USADavid A. WardleFaculty of Forestry, Department of Forest Vegetation Ecology, Swedish University of Agricultural Sciences, Umeå, SwedenIan J. WrightDepartment of Biological Sciences, Macquarie University, Sydney, NSW 2109, AustraliaRien AertsFaculty of Earth and Life Sciences, Department of Systems Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The NetherlandsSteven AllisonDepartments of Ecology and Evolutionary Biology and Earth System Science, University of California, Irvine, 307 Steinhaus, Irvine, CA 92697, USAPeter M. van BodegomFaculty of Earth and Life Sciences, Department of Systems Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The NetherlandsVictor BrovkinPotsdam Institute for Climate Impact Research, Climate Systems Research Department, P.O. Box 601203, 14412 Potsdam, GermanyAlex ChatainSchool of Biological Science, Monash University, Clayton, Vic. 3800, AustraliaTerry V. CallaghanDepartment of Animal and Plant Sciences, Western Bank, Sheffield S10 2TN, UKSandra Dı́azGraduate School of Environment and Information Sciences, Yokohama National University, Hodogaya, Yokohama 240-8501, JapanÉric GarnierCNRS Centre d’Ecologie Fonctionnelle et Evolutive (UMR 5175), 1919 route de Mende, 34293 Montpellier Cedex 5, FranceDiego E. GurvichInstituto Multidisciplinario de Biología Vegetal, F.C.E.F.yN., Universidad Nacional de Córdoba – CONICET, CC 495, 5000 Córdoba, ArgentinaElena KazakouCNRS Centre d’Ecologie Fonctionnelle et Evolutive (UMR 5175), 1919 route de Mende, 34293 Montpellier Cedex 5, FranceJulia A. KleinDepartment of Forest, Rangeland & Watershed Stewardship, Colorado State University, Fort Collins, CO 80523-1499, USAJenny ReadSchool of Biological Science, Monash University, Clayton, Vic. 3800, AustraliaPeter B. ReichDepartment of Forest Resources, University of Minnesota, St Paul, MN 55108, USANadejda A. SoudzilovskaiaFaculty of Biology, Department of Geobotany, Moscow State University, Moscow, RussiaMaría V. VaierettiInstituto Multidisciplinario de Biología Vegetal, F.C.E.F.yN., Universidad Nacional de Córdoba – CONICET, CC 495, 5000 Córdoba, ArgentinaMark WestobyDepartment of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia
2008en
ABI
Аннотация
Worldwide decomposition rates depend both on climate and the legacy of plant functional traits as litter quality. To quantify the degree to which functional differentiation among species affects their litter decomposition rates, we brought together leaf trait and litter mass loss data for 818 species from 66 decomposition experiments on six continents. We show that: (i) the magnitude of species-driven differences is much larger than previously thought and greater than climate-driven variation; (ii) the decomposability of a species' litter is consistently correlated with that species' ecological strategy within different ecosystems globally, representing a new connection between whole plant carbon strategy and biogeochemical cycling. This connection between plant strategies and decomposability is crucial for both understanding vegetation-soil feedbacks, and for improving forecasts of the global carbon cycle.
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