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Reduced microsatellite heterozygosity does not affect natal dispersal in three contrasting roe deer populations

Cécile Vanpé 1 Lucie Debeffe 2, 1 A. J. Mark Hewison 2 Erwan Quéméré 2 Jean-François Lemaître 1 Maxime Galan 2, 3 Britany Amblard 1, 3 François Klein 4 Bruno Cargnelutti 2 Gilles Capron 4 Joel Merlet 2 Claude Warnant 4 Jean-Michel Gaillard 5, 1
1 LBBE - Laboratoire de Biométrie et Biologie Evolutive - UMR 5558
2 CEFS - Unité de recherche Comportement et Ecologie de la Faune Sauvage
3 UMR CBGP - Centre de Biologie pour la Gestion des Populations
4 ONCFS - Office National de la Chasse et de la Faune Sauvage
5 Biodémographie évolutive
Département écologie évolutive [LBBE]
Abstract : Although theoretical studies have predicted a link between individual multilocus heterozygosity and dispersal, few empirical studies have investigated the effect of individual heterozygosity on dispersal propensity or distance. We investigated this link using measures of heterozygosity at 12 putatively neutral microsatellite markers and natal dispersal behaviour in three contrasting populations of European roe deer (Capreolus capreolus), a species displaying pre-saturation condition-dependent natal dispersal. We found no effect of individual heterozygosity on either dispersal propensity or dispersal distance. Average heterozygosity was similar across the three studied populations, but dispersal propensity and distance differed markedly among them. In Aurignac, dispersal propensity and distance were positively related to individual body mass, whereas there was no detectable effect of body mass on dispersal behaviour in Chiz, and Trois Fontaines. We suggest that we should expect both dispersal propensity and distance to be greater when heterozygosity is lower only in those species where dispersal behaviour is driven by density-dependent competition for resources.
Keywords : Body mass Genetic diversity Capreolus capreolus Dispersal distance Dispersal propensity
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Journal articles
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https://hal.inrae.fr/hal-02919940
Contributor : Lucie Debeffe Connect in order to contact the contributor
Submitted on : Monday, August 24, 2020 - 11:37:54 AM
Last modification on : Sunday, September 5, 2021 - 8:16:02 PM

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Cécile Vanpé, Lucie Debeffe, A. J. Mark Hewison, Erwan Quéméré, Jean-François Lemaître, et al.. Reduced microsatellite heterozygosity does not affect natal dispersal in three contrasting roe deer populations. Oecologia, Springer Verlag, 2015, 177 (3), pp.631-643. ⟨10.1007/s00442-014-3139-8⟩. ⟨hal-02919940⟩

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