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Populations

Populations. Population – a group of individuals of a single species that live in the same area. Dispersion. One metric used to analyze populations is to look at their dispersion , the pattern of spacing in a population.

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Populations

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  1. Populations

  2. Population – a group of individuals of a single species that live in the same area.

  3. Dispersion • One metric used to analyze populations is to look at their dispersion, the pattern of spacing in a population

  4. Uniform arises when there are repulsing factors that push organisms apart • Clumped arises when there are attracting factors (such as herding) that pull organisms together. • Random occurs when there is a lack of attracting or repulsing effects.

  5. Population Size and Density • Population size – total number of organisms in a population • Often measured with mark-recapture • Population density – number of organisms per unit area

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