Fig. 1From: The colonization and divergence patterns of Brandt’s vole (Lasiopodomys brandtii) populations reveal evidence of genetic surfingPopulation structure of Brandt’s vole (N = 814) from 23 sites based on nuclear microsatellite data. a Neighbor-joining (NJ) tree based on pairwise genetic distances (Da) between sampling sites depicted in b); c Bayesian structure plot for K = 2. d Analysis with K = 3. Coloring scheme of symbols reflects STRUCTURE results. Detailed sampling information is provided in Additional file 1: Table S1Back to article page