Fig. 5 in Taxonomic, ecological and morphological diversity of Ponto-Caspian gammaroidean amphipods: a review

Fig. 5 (a) PCA scatterplot depicting the morphological gradients along the first two axes. Genera represented by at least three data points are shown with a uniquely colored convex hull and dots. Monotypic genera are depicted with various black symbols and shapes. (b) The same PCA as in (a) but with convex hulls delineating putative ecomorphs. Asterisks indicate morph centroid. For each morph, a representative species is shown. The pie charts indicate the proportion of species occurring on various substrates within each ecomorph