Fig. 4

Algal biomass across the Pesticides-only treatment (error bars indicate standard error of mean). Pesticides-only treatment with low (5.61 × 10^–8 nmol L⁻¹ sum OCP), moderately low (1.18 × 10^–7 nmol L⁻¹ sum OCP), moderately high (2.53 × 10^–7 nmol L⁻¹ sum OCP) and high (4.86 × 10^–7 nmol L⁻¹ sum OCP) concentrations