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. 2012 Oct 11;2(11):2843–2853. doi: 10.1002/ece3.382

Figure 2.

Figure 2

Box plots of the principle component (PC) scores calculated with principle component analysis (PCA) for PC1 (a) and PC2 (b). Mean ± SE and ± SD are given. The results comparing invaded (AS) and non-invaded (IS) sites for isopods (IS_ISO; AS_ISO), gastropods (IS_GAS; AS_GAS), bivalves (IS_BIV; AS_BIV) and amphipods (IS_AMP; AS_AMP) are shown. Letters indicate significant differences in Kruskal-Wallis ANOVA between the sites of the single groups of AS and IS, respectively. P-values indicate significant differences in pairwise comparisons between the sites of IS groups vs. the corresponding AS groups (n.s. = not significant).