DOI: 10.1111/ele.12733
Scopus记录号: 2-s2.0-85010602957
论文题名: Dispersal and neutral sampling mediate contingent effects of disturbance on plant beta-diversity: a meta-analysis
作者: Catano C.P. ; Dickson T.L. ; Myers J.A.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2017
卷: 20, 期: 3 起始页码: 347
结束页码: 356
语种: 英语
英文关键词: Biotic homogenisation
; community assembly
; community size
; ecological drift
; global change
; metacommunity theory
; niche selection
; null models
; seed addition
; species pools
Scopus关键词: biodiversity
; biological model
; Europe
; meta analysis
; North America
; plant dispersal
; Biodiversity
; Europe
; Models, Biological
; North America
; Plant Dispersal
英文摘要: A major challenge in ecology, conservation and global-change biology is to understand why biodiversity responds differently to similar environmental changes. Contingent biodiversity responses may depend on how disturbance and dispersal interact to alter variation in community composition (β-diversity) and assembly mechanisms. However, quantitative syntheses of these patterns and processes across studies are lacking. Using null-models and meta-analyses of 22 factorial experiments in herbaceous plant communities across Europe and North America, we show that disturbance diversifies communities when dispersal is limited, but homogenises communities when combined with increased immigration from the species pool. In contrast to the hypothesis that disturbance and dispersal mediate the strength of niche assembly, both processes altered β-diversity through neutral-sampling effects on numbers of individuals and species in communities. Our synthesis suggests that stochastic effects of disturbance and dispersal on community assembly play an important, but underappreciated, role in mediating biotic homogenisation and biodiversity responses to environmental change. © 2017 John Wiley & Sons Ltd/CNRS Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107648
Appears in Collections: 气候减缓与适应
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作者单位: Department of Biology, Washington University in St. Louis, St. Louis, MO, United States; Department of Biology, University of Nebraska at Omaha, Omaha, NE, United States
Recommended Citation:
Catano C.P.,Dickson T.L.,Myers J.A.. Dispersal and neutral sampling mediate contingent effects of disturbance on plant beta-diversity: a meta-analysis[J]. Ecology Letters,2017-01-01,20(3)