Fig. 7From: What are the relative risks of mortality and injury for fish during downstream passage at hydroelectric dams in temperate regions? A systematic reviewFrequency of turbine type. Simulated: pressure chamber simulating turbine passage through a Kaplan or Francis turbine; AHTS: Advanced Hydro Turbine System. Note: some studies with turbine as the intervention type did not specify the turbine type used (34 studies)Back to article page