globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12600
Scopus记录号: 2-s2.0-84963674139
论文题名:
Functional identity is the main driver of diversity effects in young tree communities
作者: Tobner C.M.; Paquette A.; Gravel D.; Reich P.B.; Williams L.J.; Messier C.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2016
卷: 19, 期:6
起始页码: 638
结束页码: 647
语种: 英语
英文关键词: IDENT ; Biodiversity and ecosystem functioning ; Biodiversity experiment ; Complementarity ; Functional diversity ; Functional identity ; Functional traits of trees ; Overyielding
Scopus关键词: biodiversity ; biological model ; biomass ; classification ; ecology ; growth, development and aging ; procedures ; Quebec ; tree ; Biodiversity ; Biomass ; Ecology ; Models, Biological ; Quebec ; Trees
英文摘要: Two main effects are proposed to explain biodiversity-ecosystem functioning relationships: niche complementarity and selection effects. Both can be functionally defined using the functional diversity (FD) and functional identity (FI) of the community respectively. Herein, we present results from the first tree diversity experiment that separated the effect of selection from that of complementarity by varying community composition in high-density plots along a gradient of FD, independent of species richness and testing for the effects of FD and community weighted means of traits (a proxy for FI) on stem biomass increment (a proxy for productivity). After 4 years of growth, most mixtures did not differ in productivity from the averages of their respective monocultures, but some did overyield significantly. Those positive diversity effects resulted mostly from selection effects, primarily driven by fast-growing deciduous species and associated traits. Net diversity effect did not increase with time over 4 years. © 2016 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/107763
Appears in Collections:气候减缓与适应

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作者单位: Center for Forest Research, Université du Québec à Montréal, PO Box 8888, Centre-ville Station, Montréal, QC, Canada; Université de Sherbrooke, 2500 Boulevard de l'Université, Sherbrooke, QC, Canada; Québec Center for Biodiversity Science, McGill University, 1205 Dr. Penfield Avenue, Montréal, Québec, Canada; Department of Forest Resources, University of Minnesota, St. Paul, MN, United States; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW, Australia; Department of Ecology, Evolution and Behavior, University of Minnesota, St. Paul, MN, United States; Institut des sciences de la forêt tempérée (ISFORT), Université du Québec en Outaouais (UQO), 58 rue Principale, Ripon, QC, Canada

Recommended Citation:
Tobner C.M.,Paquette A.,Gravel D.,et al. Functional identity is the main driver of diversity effects in young tree communities[J]. Ecology Letters,2016-01-01,19(6)
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