Le franchissement des barrages par les poissons migrateurs. Etat de la technique

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In the first part of this paper, the present state of design of fishways is reviewed, focusing on the interest and the limits of each type of fish facility. The second part deals with downstream migration problems at hydroelectric powerplants: fish damage in spillways and hydraulic turbines and design of fish screening and other diversionary techniques used to prevent entry of downstream migrant into intakes.