Linking local and regional dynamics in stochastic metapopulation models

摘要: Stochastic models for metapopulations that consist of a finite number local populations are discussed. A stochastic Levins model with two slates (metapopulation level: patch is occupied or empty) compared detailed at the level populations. The European badger taken as an example to illustrate can form satisfactory description real animals, even those complex social behaviour. population Markov chain animals sexes and 1-year reproduction cycle. Both heuristic mathematical arguments given show sufficiently accurate representation model. more general application this modelling strategy suggested (or bird mammal species fragmented distribution, yielding tool evaluating conservation measures threatened by fragmentation. then be used translate changes in parameters (birth, death, dispersal) into processes on metapopulation (local extinction, colonization).