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Ecology Chap 12
Metapopulations
4
Biology
Undergraduate 4
10/27/2009

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Term
Habitat Patch
Definition
Discrete area of suitable habitat (place where an organism lives) within a larger landscape of unsuitable habitat
Term
Environmental Stochasticity
Definition
Random variations in the environment that have a direct effect on birth and death rates.
Term
Rescue Effect
Definition
An increase in population size and a decrease in the risk of extinction brought about by an increase of immigration into a population.
Term
Mainland-Island Metapopulation Model
Definition
A single habitat patch (the mainland) is the dominant source of individuals emigrating to other habitat patches (island) within a metapopulation network.
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