Artikel mit dem Tag "restoration"

21. September 2015
The Isar river in Munich, Germany. Danica Dudes Flyfishing, Fliegenfischen, Angeln, Natur
Which river in Germany isn't restored? In the states, artificial dams like the Elwha Dam in Washington already get destroyed to let fish like Salmon and Steelhead continue there spawning run. Many dams are or were used to generate hydroelectric power but totally destroy the aquatic ecosystem of the river. Current velocity, oxygen content and many other factors get changed completely and fish like trout, (danubian) salmon, steelhead and many more aren't able to live there because of poor...