Ecology Island Biogeography
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6 Terms
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Local (alpha) diversity
Number of species in a relatively small area of homogeneous
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Regional (gamma) diversity
Number of species in all the habitats that comprise a larger geographic area
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Beta diversity
Number of species that differ in occurrence between two habitats
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Equilibrium theory of island biogeography
Theory stating that the number of species on an island reflects a balance between the colonization of new species and the extinction of existing species
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Dispersal
Movement of individuals from one area to another
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Species richness
How many species in a region or locality
Note 
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