Figure 3 in Hatching success in brackish water of Perca fluviatilis eggs obtained from the western Baltic Sea

Figure 3. - Distribution of the overall clades of perch Perca fluviatilis in Europe, upper map and western Baltic Sea, lower map; Sweden (SWE), Denmark (DEN) and Germany (GER). The pie charts show the relative distribution within a sampling site, and the size of the pie chart the relative sample size. * = fusion of 2 sample sites, ** = fusion of 3 sample sites, *** = fusion of 5 sample sites, **** = fusion of 6 sample sites. Colours are uniform with colours in figure 2.