Metapopulation moments: coupling, stochasticity and persistence.

  title={Metapopulation moments: coupling, stochasticity and persistence.},
  author={Matt J. Keeling},
  journal={The Journal of animal ecology},
  volume={69 5},
1. Spatial heterogeneity has long been viewed as a reliable means of increasing persistence. Here, an analytical model is developed to consider the variation and, hence, the persistence of stochastic metapopulations. This model relies on a novel moment closure technique, which is equivalent to assuming log-normal distributions for the population sizes. 2. Single-species models show the greatest persistence when the mixing between subpopulations is large, so spatial heterogeneity is of no… CONTINUE READING
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