Abstract
We present a framework that uses both sources and sinks as elements in the construction of a landscape matrix. We propose that the matrix be conceived as a collection of temporary habitats, some of which are sources, others of which are sinks, that form a landscape mosaic. The key element in this framing is that the sources are ephemeral and the sinks are propagating. A mean field approach is used to modify the classic metapopulation model, taking this new framework into account. Additionally a spatially explicit approach reveals different scaling rules for the percolation probability and the propagating probability.
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