Fig. 6From: Multiple physiological response analyses aid the understanding of sensitivity variation between Microcystis aeruginosa and Chlorella sp. under paraquat exposuresDifference of rETRmax and Fv/Fm following chronic exposure for a Microcystis aeruginosa and b Chlorella sp. Values are relative to the control and significant differences are indicated by an asterisk (*). Error bars are mean ± SEBack to article page