globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12928
Scopus记录号: 2-s2.0-85042529672
论文题名:
Quantifying effects of biodiversity on ecosystem functioning across times and places
作者: Isbell F.; Cowles J.; Dee L.E.; Loreau M.; Reich P.B.; Gonzalez A.; Hector A.; Schmid B.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:6
起始页码: 763
结束页码: 778
语种: 英语
英文关键词: Biodiversity ; complementarity effect ; ecosystem functioning ; insurance effect ; overyielding ; selection effect
英文摘要: Biodiversity loss decreases ecosystem functioning at the local scales at which species interact, but it remains unclear how biodiversity loss affects ecosystem functioning at the larger scales of space and time that are most relevant to biodiversity conservation and policy. Theory predicts that additional insurance effects of biodiversity on ecosystem functioning could emerge across time and space if species respond asynchronously to environmental variation and if species become increasingly dominant when and where they are most productive. Even if only a few dominant species maintain ecosystem functioning within a particular time and place, ecosystem functioning may be enhanced by many different species across many times and places (β-diversity). Here, we develop and apply a new approach to estimate these previously unquantified insurance effects of biodiversity on ecosystem functioning that arise due to species turnover across times and places. In a long-term (18-year) grassland plant diversity experiment, we find that total insurance effects are positive in sign and substantial in magnitude, amounting to 19% of the net biodiversity effect, mostly due to temporal insurance effects. Species loss can therefore reduce ecosystem functioning both locally and by eliminating species that would otherwise enhance ecosystem functioning across temporally fluctuating and spatially heterogeneous environments. © 2018 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107438
Appears in Collections:气候减缓与适应

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作者单位: Department of Ecology, Evolution, and Behavior, University of Minnesota Twin Cities, Saint Paul, MN, United States; Department of Fisheries, Wildlife, and Conservation Biology, University of Minnesota Twin Cities, Saint Paul, MN, United States; Centre for Biodiversity Theory and Modelling, Theoretical and Experimental Ecology Station, CNRS and Paul Sabatier UniversityMoulis, France; Department of Forest Resources, University of Minnesota Twin Cities, Saint Paul, MN, United States; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW, Australia; Department of Biology, McGill University, Montreal, QC, Canada; Department of Plant Sciences, University of Oxford, Oxford, United Kingdom; URPP Global Change and Biodiversity, Department of Evolutionary Biology and Environmental Studies, University of Zürich, Winterthurerstrasse 190, Zürich, Switzerland

Recommended Citation:
Isbell F.,Cowles J.,Dee L.E.,et al. Quantifying effects of biodiversity on ecosystem functioning across times and places[J]. Ecology Letters,2018-01-01,21(6)
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