globalchange  > 气候变化与战略
DOI: 10.1111/ele.13817
论文题名:
A general theory of avian migratory connectivity
作者: Somveille M.; Bay R.A.; Smith T.B.; Marra P.P.; Ruegg K.C.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:9
起始页码: 1848
结束页码: 1858
语种: 英语
中文关键词: cost of migration ; eBird ; genoscape ; ideal free distribution ; Migratory connectivity ; optimal migration
英文摘要: Birds exhibit a remarkable array of seasonal migrations. Despite much research describing migratory behaviour, the underlying forces driving how a species’ breeding and wintering populations redistribute each year, that is, migratory connectivity, remain largely unknown. Here, we test the hypothesis that birds migrate in a way that minimises energy expenditure while considering intraspecific competition for energy acquisition, by developing a modelling framework that simulates an optimal redistribution of individuals between breeding and wintering areas. Using 25 species across the Americas, we find that the model accurately predicts empirical migration patterns, and thus offers a general explanation for migratory connectivity based on first ecological and energetic principles. Our model provides a strong basis for exploring additional processes underlying the ecology and evolution of migration, but also a framework for predicting how migration impacts local adaptation across seasons and how environmental change may affect population dynamics in migratory species. © 2021 The Authors. Ecology Letters published by John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166931
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作者单位: Department of Biology, Colorado State University, Fort CollinsCO, United States; Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, London, United Kingdom; Department of Evolution and Ecology, University of California, Davis, CA, United States; Center for Tropical Research, Institute for the Environment and Sustainability, University of California, Los Angeles, CA, United States; Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States; Department of Biology and McCourt School of Public Policy, Georgetown UniversityDC, United States

Recommended Citation:
Somveille M.,Bay R.A.,Smith T.B.,et al. A general theory of avian migratory connectivity[J]. Ecology Letters,2021-01-01,24(9)
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