Term
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Definition
| a group of interacting individuals of the same species in a location |
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Term
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Definition
| similar concept, but applies to interacting individual populations of the same species with a landscape |
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Term
| Conditions for a Metapopulation |
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Definition
- Suitable habitat occurs in discrete locations that may be occupied by repoducing populations
- All patches haves some probability of local extinction
- Patches must not be too isolated as to prevent colonization
- Population dynamics of local populations are not synchronized
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Term
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Definition
ΔN/Δt = C - E
where, C = rate of colonization and E = rate of extinction |
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Term
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Definition
| Immigrants from another patch9es0 increase(s) the population size of another patch lowering the risk of local extinction |
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Term
Mainland
Island Metapopulations |
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Definition
| a "mainland" patch is the only source of individuals to "island" patches |
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Term
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Definition
patches are catergorized as "sources" or "sinks", depending upon the local dynamics of the population
- Sinks have r<0
- Sources have r>0
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