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How fish by-pass the turbines

Today, fish ladders are used widely to allow fish to by-pass power plants and get to the higher reaches of rivers. It's not so easy for the fish to go downstream, as there is mostly no reliable means of passing the plant: when swimming downstream fish can easily get caught in turbines and die. In a research project at the ETH Laboratory of Hydraulics, Hydrology and Glaciology in Zurich experiments are under way to study how fish could be guided past power plants using suitably constructed fish diversion rakes.

How fish bypass the turbines (pdf , 179.2 kb)

Institution: Nordwestschweiz
Author: Anita Vonmont
Publication date: 10.12.2013 ID: 7342
Printed Version: –
Price: Free of charge
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Contact: Josef Känzig
Last update: 29.06.2016

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