FIGURE 1.
The survival rate and behavior of Limnodrilus hoffmeisteri after different treatments. (a) The survival rate of L. hoffmeisteri ; (b) Proportion of the migratory numbers of L. hoffmeisteri ; (c) Swing frequency of migratory L. hoffmeisteri ; (d) Swing frequency of nucleus populations L. hoffmeisteri ; (e) Successful food acquisition rate of L. hoffmeisteri at D7; (f) Successful food acquisition rate of L. hoffmeisteri at D14; (g) Aggregation rate of L. hoffmeisteri at D7; (h) Aggregation rate of L. hoffmeisteri at D14. BA: B. aeruginosa; NS: None snails; PC: P. canaliculata . Different superscript letters indicate significant difference between groups (p < 0.05).