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Charophytes are extremely beneficial to lakes, improving water quality and biodiversity. However, their abundance was found to decline in many lakes  without clear signs of eutrophication during recent decades. Today, a team from the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) in Berlin and the Feldberg-Uckermärkische Seenlandschaft association (FFUS) published recommendations for practitioners on the reintroduction of charophytes.

Protected areas are meant to preserve endangered species and stabilize ecosystems. But for many European rivers, this protection apparently falls short. This is the finding of a new study in Nature Communications led by the Senckenberg Nature Research Society, in which IGB participated.

Since January 2026, Prof. Michael Hupfer has taken over as president of the German Society for Limnology (DGL). The DGL is one of the most important national professional associations for research on inland waters and water management. In this interview, Prof. Hupfer talks about his plans for his new role and explains why transdisciplinary professional societies are so important today.

A new article in Nature Reviews Biodiversity states, that the Convention on the Conservation of Migratory Species of Wild Animals (CMS) does not adequately address the issue of migratory freshwater fishes. Of the more than 1,100 migratory species listed, only 23 are freshwater fishes.