Figure 4
![Figure 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2148-13-192/MediaObjects/12862_2013_Article_2433_Fig4_HTML.jpg)
Principal coordinates analysis (PCoA) of genetic variation in Zootoca vivipara based on 34 AFLP loci. The variance explained by PCO1 and PCO2 is 31% and 19%, respectively. The colours of the dots correspond to the lineages identified by the Bayesian assignment test illustrated in Figure 2B.