Fig. 4: Size-fractionated chlorophyll a concentrations of the phytoplankton communities in the control and atrazine-treated groups.
From: Herbicide leakage into seawater impacts primary productivity and zooplankton globally

Within each time period the four bars depict respectively the values for control, 0.5, 5, and 50 nmol/L of atrazine. n = 3 samples per group. Uncertainties were reported as mean ± standard deviation (SD). P values were calculated using a two-sided t-test. The exact p values were provided in the Source data. The asterisk represents a significant difference (p < 0.05) in the chlorophyll a concentration of phytoplankton between the treatment group and the control group. Source data are provided as a Source Data file.