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Fig. 3 | Helgoland Marine Research

Fig. 3

From: Environmental factors structuring polychaete communities in shallow rocky habitats: role of physical stress versus habitat complexity

Fig. 3

Polychaete density, species richness, and diversity (H′) per quadrat for the different depth levels. Bars represent means + SD values. Uppercase letters (A–E) refer to mean values arranged in descending order. Groups of underlined letters indicate non-significant differences between pairs of means according to “a posteriori” Dunn’s tests following a significant Kruskal–Wallis ANOVA on ranks

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