Fig. 4From: Molecular genetic diversity and differentiation of Nile tilapia (Oreochromis niloticus, L. 1758) in East African natural and stocked populationsGenetic scatter plots of O. niloticus exhibited by Principal Coordinate Analysis (PCoA). a populations per region, b all indigenous populations. PCoA was constructed with respect to unbiased Nei’s genetic distance among individualsBack to article page