Bottom-type intakes (Coanda screen, Lepine water intake, etc)
Complete or partial migration barrier removal
Environmental design of embankments and erosion protection
Fish guidance structures with narrow bar spacing
Mitigating rapid, short-term variations in flow (hydro-peaking operations)
Operational measures (turbine operations, spillway passage)
Placement of spawning gravel in the river
Sensory, behavioural barriers (electricity, light, sound, air-water curtains)