Abstract

Abstract I describe a method of analysis of genetic differentiation which is suitable for the comparison of genetic and demographic estimates of the ‘neighborhood size’– more precisely the product of density and second moment of dispersal distance σ2– in continuous populations sampled at the smallest scale. This method is based on results of models of isolation by distance common to a wide variety of dispersal distances. The performance of this method is tested by simulation for some highly leptokurtic dispersal distributions, and it is applied to a previous study of a kangaroo-rat (Dipodomys spectabilis) population. In this case, genetic and demographic estimates are within a factor of two from each other. Thus, in line with some previous examples, this study shows that a better agreement may be attained than is usually recognized between genetic and demographic estimates.

Keywords

BiologyBiological dispersalKurtosisIsolation by distancePopulationEvolutionary biologyGenetic distanceStatisticsEcologyGenetic structureGenetic variationGeneticsDemographyMathematics

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Publication Info

Year
1999
Type
article
Volume
13
Issue
1
Pages
58-62
Citations
696
Access
Closed

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François Rousset (1999). Genetic differentiation between individuals. Journal of Evolutionary Biology , 13 (1) , 58-62. https://doi.org/10.1046/j.1420-9101.2000.00137.x

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DOI
10.1046/j.1420-9101.2000.00137.x