French experience in downstream migration devices

Various steps were taken in France during the Nineties to minimize the impact of hydroelectric power installations on fish migration downstream, focusing first on Atlantic salmon and later on the European eel. Following studies aimed at quantifying mortality among juvenile salmonids due to turbines,...

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Bibliographic Details
Main Authors: Travade, F., Larinier, M.
Other Authors: EDF CHATOU, CEMAGREF BORDEAUX UR EPBX GHAAPPE FRA
Format: Other/Unknown Material
Language:English
Published: DWA 2006
Subjects:
MIGRATION
PASSE A POISSONS
SALMO SALAR
ANGUILLA ANGUILLA
FISHWAYS
Anguilla anguilla
Atlantic salmon
Salmo salar
Online Access:https://irsteadoc.irstea.fr/cemoa/PUB00020313
Description
Summary:Various steps were taken in France during the Nineties to minimize the impact of hydroelectric power installations on fish migration downstream, focusing first on Atlantic salmon and later on the European eel. Following studies aimed at quantifying mortality among juvenile salmonids due to turbines, experiments were undertaken to fine-tune downstream bypasses to prevent passage of fish through the turbines. This led to the design of surface bypasses used conjunction with the existing trashracks at plant intakes, for which the design criteria and limitations are presented here.

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