Property:Dam height (m) the measure is suitable for

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Usage37

B

Baffle fishways +

Up to 20 +

Bottom-type intakes (Coanda screen, Lepine water intake, etc) +

All +

By-passing sediments +

Higher than 10 +

Bypass combined with other solutions +

All +

C

Cleaning of substrate - ripping, ploughing and flushing +

All +

Complete or partial migration barrier removal +

Up to 20 +

Construction of a 'river-in-the-river' +

All +

Construction of off-channel habitats +

All +

D

Drawdown reservoir flushing +

Higher than 10 +

E

Environmental design of embankments and erosion protection +

All +

F

Fish guidance structures with narrow bar spacing +

Up to 10 +

Fish guidance structures with wide bar spacing +

Up to 20 +

Fish lifts, screws, locks, and others +

All +

Fish-friendly turbines +

All +

Fishways for eels and lampreys +

Up to 20 +

M

Mechanical removal of fine sediments (dredging) +

All +

Migration barrier removal +

Up to 20 +

Minimizing sediment arrival to reservoir +

All +

Mitigating rapid, short-term variations in flow (hydro-peaking operations) +

All +

Mitigating reduced annual flow and low flow measures +

All +

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