Genetic structure is influenced by landscape features: empirical evidence from a roe deer population

Molecular Ecology
A CoulonA J M Hewison

Abstract

The delimitation of population units is of primary importance in population management and conservation biology. Moreover, when coupled with landscape data, the description of population genetic structure can provide valuable knowledge about the permeability of landscape features, which is often difficult to assess by direct methods (e.g. telemetry). In this study, we investigated the genetic structuring of a roe deer population which recently recolonized a fragmented landscape. We sampled 1148 individuals from a 40 x 55-km area containing several putative barriers to deer movements, and hence to gene flow, namely a highway, rivers and several canals. In order to assess the effect of these landscape features on genetic structure, we implemented a spatial statistical model known as geneland which analyses genetic structure, explicitly taking into account the spatial nature of the problem. Two genetic units were inferred, exhibiting a very low level of differentiation (F(ST) = 0.008). The location of their boundaries suggested that there are no absolute barriers in this study area, but that the combination of several landscape features with low permeability can lead to population differentiation. Our analysis hence suggests that ...Continue Reading

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Citations

Oct 2, 2008·Heredity·M X WangZ C Li
Nov 3, 2006·Heredity·A StorferL P Waits
Jan 24, 2013·The Journal of Heredity·Javier PorobicCristián E Hernández
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Jul 1, 2009·Molecular Ecology Resources·Gilles Guillot, Filipe Santos
Feb 13, 2009·Conservation Biology : the Journal of the Society for Conservation Biology·Luca CorlattiFredy Frey-Roos

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