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IGB researchers gave feedback on the planned European Water Resilience Strategy and underlined the relevance of freshwater ecosystems.

Researchers have compiled and analyzed the key environmental factors that led to the mass development of the brackish water alga Prymnesium parvum in the Oder in the summer of 2022. The data synthesis shows how multiple stressors combined to allow an alga that normally thrives in stagnant salt water to proliferate en masse in a completely atypical habitat. In addition, a study on the quantitative impact on fish stocks in the Oder was published: compared to before the disaster, fish and mussel stocks have been decimated by more than half.

Desiccating salt lakes are an underappreciated source of greenhouse gases that could become even more relevant as a result of climate change. Newly announced research by the Royal Ontario Museum (ROM) in the USA in cooperation with the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) examining greenhouse gas emissions from the drying lake bed of Great Salt Lake, Utah, calculates that 4.1 million tons of carbon dioxide and other greenhouse gases were released in 2020.

The IGB has provided research-based feedback on a draft legislation to regulate the reuse of municipal wastewater for agricultural irrigation.

At around 380 kilometres, the Spree is not one of Germany’s longest rivers, but it is one of its most famous. As the capital’s river, it is representative of water bodies in Germany and around the world that are under increasing pressure. While private and commercial interests in its water resources continue to grow, it is also clear that there will be significantly less water available in the future. What needs to be done to counteract this is the subject of controversial debate.