Many patch-based metapopulation models assume that the local
population within each patch is at its equilibrium and independent of changes
in patch occupancy. We studied a metapopulation model that explicitly incorporates the local population dynamics of two competing species. The singular
perturbation method is used to separate the fast dynamics of the local competition and the slow process of patch colonization and extinction. Our results
show that the coupled system leads to more complex outcomes than simple
patch models which do not include explicit local dynamics. We also discuss
implications of the model for ecological systems in fragmented landscapes.
Citation: Zhilan Feng, Robert Swihart, Yingfei Yi, Huaiping Zhu. Coexistence in a metapopulation model with explicit local dynamics[J]. Mathematical Biosciences and Engineering, 2004, 1(1): 131-145. doi: 10.3934/mbe.2004.1.131
Abstract
Many patch-based metapopulation models assume that the local
population within each patch is at its equilibrium and independent of changes
in patch occupancy. We studied a metapopulation model that explicitly incorporates the local population dynamics of two competing species. The singular
perturbation method is used to separate the fast dynamics of the local competition and the slow process of patch colonization and extinction. Our results
show that the coupled system leads to more complex outcomes than simple
patch models which do not include explicit local dynamics. We also discuss
implications of the model for ecological systems in fragmented landscapes.