Fig. 2


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Scatterplot of discriminant analysis of principal components (DAPC) of population structure of (A) five Ukrainian populations, and (B) European populations, including river basins in Ukraine, basins in the lower and middle Danube; the Rhine; Girone and the Rivers Tejo & Sado. The axes represent the first two linear discriminants (LD1 and LD2) according to the discriminant analysis functions (DA) eigenvalues. Each dot represents an individual, and each colored circle represents a group identified by DAPC analysis. Legend: 1 = Lake Kartal, Lower Danube; 2 = Sukhyi Lyman; 3 = Khadzhibey Lyman; 4 = Lower Dnieper basin; 5 = Lake Almazne, Dnieper basin, Ukraine; 6 = Kula and 7 = Ognyanovo Reservoirs, Danube basin, Bulgaria; 8 = Lake Neusiedl, Danube basin, Austria; 9 = Donbas sandpit, Morava/Danube basin, Czech Republic; 10 = Knielingen pond, Rhine basin, Germany; 11 = Bègles Plage; 12 = Bordeaux Lac, Girone basin, France; 13 = Landeira Reservoir, Sado River basin and 14 = Coruche Reservoir, Tejo River basin, Portugal.

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