Information portal on migratory fish and their habitats in river and sea

Photo: Philipp Freudenberg



The big kill

A chronicle of an environmental disaster on the River Oder: Images of huge quantities of dead fish – covering all species and sizes – shocked the German, Polish and international public in August 2022. IGB researchers set about tracking down the causes. IGB was the first institution to determine that the disaster was definitely man-made.

"Fatal risk from dammed rivers"

“Those calling for more dams in response to drought and dry riverbeds have nothing understood – they promote habitats with potential for catastrophy,” wrote Christian Wolter in Terra X – Die Wissens-Kolumne.

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Travelling with the Sturgeon

Once upon a time, sturgeons used to live in almost all the major European rivers and in our coastal waters. This film shows what happened, and what we can do to bring them back.

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