Data from: Density-dependent fitness, not dispersal movements, drives temporal variation in spatial genetic structure in dark-eyed juncos (Junco hyemalis)

Eric B. Liebgold, Nicole M. Gerlach & Ellen D. Ketterson
Some studies have found that dispersal rates and distances increase with density, indicating that density-dependent dispersal likely affects spatial genetic structure. In an 11-year mark-recapture study on a passerine, the dark-eyed junco, we tested whether density affected dispersal distance and/or fine-scale spatial genetic structure. Contrary to expectations, we found no effect of pre-dispersal density on dispersal distance or the proportion of locally-produced juveniles returning to the population from which they hatched. However, even though density...
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