Fig. 8From: The impact of harbour sludge disposal on benthic macrofauna communities in the Weser estuary Number of individuals and species of invertebrates with different feeding modes from the disposal and reference areas (all surveys, epibenthic species only, standard deviation indicated by black line, asterisks indicate significance according to Mann-Whitney U-test: *P<0.1, **P<0.05, ***P<0.01)Back to article page