Norway blows up hydro dam to restore river health and fish stocks | Rivers | The Guardian

Good News Notes:

A dam that has blocked the Tromsa River in Norway for more than 100 years was blown up with dynamite this week, freeing migratory routes for fish.

“It’s a big step,” said Tore Solbakken of Norwegian angling club Gudbrandsdal Sportsfiskeforening, who has campaigned for five years to have the old hydropower plant dam removed. “I’m very happy. It’s all about restoring healthy rivers and fish populations.”

Built in 1916, the seven-metre high dam in the small town of Fåvang, in Innlandet, east Norway, has not been in use for more than 50 years. The Tromsa is a tributary of the Lågen River, which feeds into Lake Mjøsa, Norway’s biggest lake. Campaigners say removing the dam will help fish in the area thrive again, including grayling, burbot, Alpine bullhead and common minnows. It is hoped the main beneficiary will be the lake-dwelling trout, which can weigh more than 10kg and feeds in downstream lakes and the Lågen. Until now, the fish have only been able to live and spawn in the lower 950 metres before the dam, whereas they will soon be able to swim 10km upriver.

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