globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12439
Scopus记录号: 2-s2.0-84934178181
论文题名:
A neutral theory with environmental stochasticity explains static and dynamic properties of ecological communities
作者: Kalyuzhny M.; Kadmon R.; Shnerb N.M.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2015
卷: 18, 期:6
起始页码: 572
结束页码: 580
语种: 英语
英文关键词: BCI ; Community dynamics ; Community similarity ; Demographic stochasticity ; Environmental stochasticity ; Fluctuation scaling ; Neutral theory ; Population fluctuations ; Species abundance distributions
Scopus关键词: biodiversity ; biota ; ecology ; forest ; population density ; population dynamics ; procedures ; statistics ; theoretical model ; time ; Biodiversity ; Biota ; Ecology ; Forests ; Models, Theoretical ; Population Density ; Population Dynamics ; Stochastic Processes ; Time Factors
英文摘要: Understanding the forces shaping ecological communities is crucial to basic science and conservation. Neutral theory has made considerable progress in explaining static properties of communities, like species abundance distributions (SADs), with a simple and generic model, but was criticised for making unrealistic predictions of fundamental dynamic patterns and for being sensitive to interspecific differences in fitness. Here, we show that a generalised neutral theory incorporating environmental stochasticity may resolve these limitations. We apply the theory to real data (the tropical forest of Barro Colorado Island) and demonstrate that it much better explains the properties of short-term population fluctuations and the decay of compositional similarity with time, while retaining the ability to explain SADs. Furthermore, the predictions are considerably more robust to interspecific fitness differences. Our results suggest that this integration of niches and stochasticity may serve as a minimalistic framework explaining fundamental static and dynamic characteristics of ecological communities. © 2015 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/107875
Appears in Collections:气候减缓与适应

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作者单位: Department of Ecology, Evolution, and Behavior, Institute of Life Sciences, Hebrew University of Jerusalem, Givat-Ram, Jerusalem, Israel; Department of Physics, Bar-Ilan University, Ramat Gan, Israel

Recommended Citation:
Kalyuzhny M.,Kadmon R.,Shnerb N.M.. A neutral theory with environmental stochasticity explains static and dynamic properties of ecological communities[J]. Ecology Letters,2015-01-01,18(6)
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