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Metapopulation dynamics

Metapopulation dynamics. Probability of each subpopulation going extinct. Rate at which subpopulations go extinct. Rate of colonization of empty patches. Proportion of patches that are occupied. Proportion of patches that are occupied. Rate of colonization of empty patches.

keely-gross
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Metapopulation dynamics

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  1. Metapopulation dynamics Probability of each subpopulation going extinct Rate at which subpopulations go extinct Rate of colonization of empty patches Proportion of patches that are occupied Proportion of patches that are occupied Rate of colonization of empty patches Probability of colonization (constant that reflects rate of dispersal between patches)

  2. Metapopulation dynamics Rate of colonization of empty patches Rate at which subpopulations go extinct Proportion of patches that are occupied

  3. Lotka-Volterra models of interspecific competition Population growth with carrying capacity: Competitive impact of species 2 on species 1 = N2  = Impact per individual of species 2 on 1 Competitive impact of species 1 on species 2 = N1

  4. For species 1 For species 2

  5. >> species 1 can’t grow >> species 2 can’t grow

  6. Competition between two diatoms, Asterionella formosa and Synedra ulna for silica.

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