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Table 4 Summary effect sizes based on the selected dataset (mean differences to before manipulation)

From: What is the influence of a reduction of planktivorous and benthivorous fish on water quality in temperate eutrophic lakes? A systematic review

  Mean 95% C.I.
Secchi depth during manipulation (m) 0.22 0.11 – 0.33
Secchi depth 1–3 years after manipulation (m) 0.47 0.23 – 0.70
Chlorophyll a during manipulation (μg/l) −30 −42 – −17
Chlorophyll a 1–3 years after manipulation (μg/l) −33 −52 – −14