Figure 3.

Two first components of the PCA of the sampled localities over 9 environmental variables. Black dots: populations with haired individuals. Open squares: populations with hair-less individuals. Sampling sites above the dotted line are considered moist whereas those under it are dry.

Pfenninger et al. BMC Evolutionary Biology 2005 5:59   doi:10.1186/1471-2148-5-59
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