Fig. 2From: Complex signatures of genomic variation of two non-model marine species in a homogeneous environmentGenetic differentiation displayed in PCoA plots, calculated from non-outlier SNPs (a, c) and outlier SNPs (b, d) for the limpet, S. granularis (a, b) and the urchin, P. angulosus (c, d) populations. Population abbreviations are provided in Table 1Back to article page