Fig. 9. Canonical correspondence analysis (CCA) ordination plot of first and second axis in diet composition of sei whales (Balaenoptera borealis) with environmental and biological variables (arrows), prey species (open circle) and whale samples (small closed squares). Superscripts on environmental factors represents p-values (*** <0.001, ** <0.01, * <0.05, and n.s. > = 0.05). |