Fig. 3From: Delineating species along shifting shorelines: Tropheus (Teleostei, Cichlidae) from the southern subbasin of Lake TanganyikaPC1 (a) and PC2 (b) of the PCA calculated on 108 AFLP fingerprints vs. geographical distance. Distance was taken along the shoreline (in km) starting from the northwesternmost locality, LOESS curves were calculated with a fixed smoothening parameter of 0.5, PCA was calculated on the correlation matrixBack to article page