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Table S1 List of SNPs used in this study.

Fig. S1 Linkage disequilibrium as a function of distance in base pairs (log scale).

Fig. S2 Distribution of standardized largest eigenvalues from PCA on 1000 simulated SNP matrices with- (left) and without (right) correction for linkage. Solid lines show simulated distributions while dotted lines represent the Tracy–Widom distribution.

Fig. S3 Voronoi mosaics showing cluster assignment based on the first between population PC for the Hill (left) and Mound (right) population. Individuals assigned to the Hill population are shown in black and those assigned to the Mound population in red.

Fig. S4 Correlation between cluster identity (three within-Mound subpopulations) and geographic distance as a function of the number of SNPs used. Vertical bars represent the 95% confidence interval based on 25 random selections of loci. Results are shown for 450 to 25 loci.

Fig. S5 Q–Q plot of SNP differentiation between the middle and southern within-Mound clusters.

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MEC_4559_sm_figs.doc645KSupporting info item
MEC_4559_sm_TableS1.xls48KSupporting info item

Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.