Figure 6.

Numbers of first generation migrants as calculated using GENECLASS 2.0 [90] before (top) and three months after the millennium flood in fall 2007 (bottom). The width of the arrows is proportional to the fraction of migrants in the 'recipient' population. Due to unequal sample sizes (see Tables 2, 3), absolute numbers of migrants may not always correspond with differences in proportions of migrants. 'Benign' surface habitats (white circles), sulfidic surface habitats (gray) and sulfidic cave (three cave chambers, black).

Plath et al. BMC Evolutionary Biology 2010 10:256   doi:10.1186/1471-2148-10-256
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