globalchange  > 气候变化与战略
DOI: 10.1111/ele.13482
论文题名:
Quantifying the relative importance of variation in predation and the environment for species coexistence
作者: Shoemaker L.G.; Barner A.K.; Bittleston L.S.; Teufel A.I.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:6
起始页码: 939
结束页码: 950
语种: 英语
中文关键词: coexistence theory ; diamond model ; ecological networks ; environmental fluctuations ; species interactions stabilising mechanisms ; storage effect
英文关键词: animal ; biological model ; ecosystem ; food chain ; population dynamics ; predation ; Animals ; Ecosystem ; Food Chain ; Models, Biological ; Population Dynamics ; Predatory Behavior
英文摘要: Coexistence and food web theory are two cornerstones of the long-standing effort to understand how species coexist. Although competition and predation are known to act simultaneously in communities, theory and empirical study of these processes continue to be developed largely independently. Here, we integrate modern coexistence theory and food web theory to simultaneously quantify the relative importance of predation and environmental fluctuations for species coexistence. We first examine coexistence in a theoretical, multitrophic model, adding complexity to the food web using machine learning approaches. We then apply our framework to a stochastic model of the rocky intertidal food web, partitioning empirical coexistence dynamics. We find the main effects of both environmental fluctuations and variation in predator abundances contribute substantially to species coexistence. Unexpectedly, their interaction tends to destabilise coexistence, leading to new insights about the role of bottom-up vs. top-down forces in both theory and the rocky intertidal ecosystem. © 2020 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/166719
Appears in Collections:气候变化与战略

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作者单位: Botany Department, University of Wyoming, Laramie, WY 82071, United States; Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, CA 94720, United States; Department of Biology, Colby College, Waterville, ME 04901, United States; Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, United States; Department of Biological Sciences, Boise State University, Boise, ID 83725, United States; Santa Fe Institute, Santa Fe, NM 87501, United States; Department of Integrative Biology, The University of Texas at Austin, Austin, TX 78712, United States

Recommended Citation:
Shoemaker L.G.,Barner A.K.,Bittleston L.S.,et al. Quantifying the relative importance of variation in predation and the environment for species coexistence[J]. Ecology Letters,2020-01-01,23(6)
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