OLM 11.4 Spatial differentiation of populations and migration

The composition of small populations may differ substantially even without selection, due to drift as shown in OLM 11.1. The balancing effect of dispersal and the consequential gene flow (migration) between subpopulations that decreases the differences between them should not be overlooked either. We will study the effect of the balance between drift and dispersal in this OLM.

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