Evidence for improved connectivity between Cantabrian brown bear subpopulations
作者： Trinidad Pérez , Javier Naves , José Fernando Vázquez , Juan Seijas , Ana Corao
DOI: 10.2192/09SC018.1
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摘要: Abstract The brown bear (Ursus arctos) population in the Cantabrian Mountains of northwest Spain is among most endangered populations worldwide. It divided into 2 isolated and genetically differentiated subpopulations. We present evidence recent male migration between subpopulations based on genetic identification hair scats samples gathered 2004 2007. Of 76 identified individuals, our analysis assigned 3 males sampled eastern subpopulation to western subpopulation. As well, 1 belonging was repeatedly along his way during April November 2006 (a linear distance 144 km). This bear's path may help identify natural corridors, which could be improved through restoration management. In addition, we admixed individuals 2008 Western limit range. Connectivity gene flow appears im...
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