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A Model of Kin-Structured Migration

Alan R. Rogers
Evolution
Vol. 41, No. 2 (Mar., 1987), pp. 417-426
DOI: 10.2307/2409148
Stable URL: http://www.jstor.org/stable/2409148
Page Count: 10
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A Model of Kin-Structured Migration
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Abstract

When individuals disperse from one local group to another, they often do so in the company of relatives. This is known as "kin-structured migration," and its effect on genetic population structure is investigated here. It is shown that when migration is kin-structured, the ratio of between- to within-group variance is increased by a quantity that can be estimated either from behavioral or genetic data. Theoretical results indicate that kin-structured migration should be most important in populations with high mobility, and analysis of data for humans and lions suggests the kin-structured migration may have a substantial effect on genetic population structure in both species. Its effect seems to be small in a population of pine voles.

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