Additional file 3.

Figure S3. The distribution of FST values under different degrees of geographic separation. The top panel shows the distribution of FST values across individual loci. The bottom panel presents a barplot of the distribution of point estimates for logit(FST) across the genome. The dashed black line is the genome-wide distribution of logit(FST) (i.e., the Gaussian normal hierarchical prior for locus-specific logit(FST)). The vertical red line in each pane denotes the 95th quantile of the genome-wide distribution, which was used to delimit high FST outliers. In all instances, some outlier loci were detected but the FST distribution tended to be the most ‘L-shaped’ for geographically-adjacent pairs and became less ‘L-shaped’ with increasing geographic separation of populations. Modified from Nosil et al. [44].

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Nosil et al. BMC Evolutionary Biology 2012 12:164   doi:10.1186/1471-2148-12-164