Journal
THEORETICAL POPULATION BIOLOGY
Volume 64, Issue 1, Pages 119-127Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S0040-5809(03)00022-4
Keywords
extinction-colonization dynamics; Levins model; stochastic metapopulation model; stochastic patch occupancy model; SPOM; extinction threshold; landscape structure; landscape ecology
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We review recent developments in spatially realistic metapopulation theory, which leads to quantitative models of the dynamics of species inhabiting highly fragmented landscapes. Our emphasis is in stochastic patch occupancy models, which describe the presence or absence of the focal species in habitat patches. We discuss a number of ecologically important quantities that can be derived from the full stochastic models and their deterministic approximations, with a particular aim of characterizing the respective roles of the structure of the landscape and the properties of the species. These quantities include the threshold condition for persistence, the contributions that individual habitat patches make to metapopulation dynamics and persistence, the time to metapopulation extinction, and the effective size of a metapopulation living in a heterogeneous patch network. (C) 2003 Elsevier Science (USA). All rights reserved.
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