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Single-species metapopulation dynamics: A structured model
Luleå tekniska universitet.
Department of Zoology, Univeristy of Helsinki.
1992 (English)In: Theoretical Population Biology, ISSN 0040-5809, E-ISSN 1096-0325, Vol. 42, no 1, p. 35-61Article in journal (Refereed) Published
Abstract [en]

We describe and analyse a general metapopulation model, which consists of a model of local dynamics within a habitat patch, and balance equations for dispersing individuals and the metapopulation. The model includes the effects of emigration and immigration on local dynamics. We derive the equilibrium population size distribution, which is skewed towards either small or large populations, depending on the relative magnitudes of local and metapopulation time scales. The model predicts a generally positive relationship between the fraction of occupied patches and the average local population size. Such a relationship has been commonly observed in nature. The model allows alternative stable equilibria, not found in models which ignore the effect of dispersal on local dynamics. We discuss the implications of our results for biological invasions and conservation biology

Place, publisher, year, edition, pages
1992. Vol. 42, no 1, p. 35-61
National Category
Mathematical Analysis
Research subject
Mathematics
Identifiers
URN: urn:nbn:se:ltu:diva-6325Local ID: 48c99a70-1930-11de-ae94-000ea68e967bOAI: oai:DiVA.org:ltu-6325DiVA: diva2:979202
Note
Godkänd; 1992; 20090325 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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