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Local Populations of Different Sizes, Mechanistic Rescue Effect and Patch Preference in the Levins Metapopulation Model

✍ Scribed by Rampal S. Etienne

Publisher: Springer
Year: 2000
Tongue: English
Weight: 159 KB
Volume: 62
Category: Article
ISSN: 1522-9602
DOI: 10.1006/bulm.2000.0186

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✦ Synopsis

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.