Dispersal and genetic structure in the American marten, Martes americana

Molecular Ecology
T BroquetJ M Fryxell

Abstract

Natal dispersal in a vagile carnivore, the American marten (Martes americana), was studied by comparing radio-tracking data and microsatellite genetic structure in two populations occupying contrasting habitats. The genetic differentiation determined among groups of individuals using F(ST) indices appeared to be weak in both landscapes, and showed no increase with geographical distance. Genetic structure investigated using pairwise genetic distances between individuals conversely showed a pattern of isolation by distance (IBD), but only in the population occurring in a homogeneous high-quality habitat, therefore showing the advantage of individual-based analyses in detecting within-population processes and local landscape effects. The telemetry study of juveniles revealed a leptokurtic distribution of dispersal distances in both populations, and estimates of the mean squared parent-offspring axial distance (sigma2) inferred both from the genetic pattern of IBD and from the radio-tracking survey showed that most juveniles make little contribution to gene flow.

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Citations

Sep 22, 2012·Molecular Ecology·O PueblaW O McMillan
Jun 8, 2012·Evolution; International Journal of Organic Evolution·Glenn YannicThomas Broquet
Nov 3, 2009·Molecular Ecology·Gilles GuillotAlain C Frantz
Sep 27, 2014·Molecular Ecology·Ian J Wang, Gideon S Bradburd
Mar 17, 2004·Molecular Phylogenetics and Evolution·Marcel van Tuinen, Gareth J Dyke
Apr 28, 2009·General and Comparative Endocrinology·Thomas P HahnScott A MacDougall-Shackleton
Oct 26, 2016·Archives of Virology·Chimoné S DaltonFrank van der Meer
Jan 30, 2020·Heredity·Cody M AylwardC William Kilpatrick
Aug 5, 2017·PLoS Genetics·Stepfanie M AguillonNancy Chen
Jun 20, 2020·Ecology and Evolution·Catherine M McNicolRobbie A McDonald
Apr 12, 2019·Behavioral Ecology : Official Journal of the International Society for Behavioral Ecology·Casey C DayDavid M MacFarland
Oct 2, 2021·Molecular Ecology Resources·Moshe E JasperThomas L Schmidt

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