Local populations of different sizes, mechanistic rescue effect and patch preference in the Levins metapopulation model

被引:0
作者
Rampal S. Etienne
机构
[1] Centre for Biometry,
来源
Bulletin of Mathematical Biology | 2000年 / 62卷
关键词
Colonization Rate; Local Dynamic; Extinction Rate; Metapopulation Dynamic; Rescue Effect;
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摘要
In this paper three extensions of the Levins metapopulation model are discussed: (1) It is shown that the Levins model is still valid if patches contain local populations of different sizes with different colonization and extinction rates. (2) A more mechanistic formulation of the rescue effect is presented. (3) The addition of preference of dispersers for occupied or empty patches and its consequences for conservation strategies are studied.
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页码:943 / 958
页数:15
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