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  • Topic:Freshwater ecosystems
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Hidden crises: underestimated impacts of climate change

The World Meteorological Organisation's (WMO) latest report on the state of the world's climate shows that global warming is accelerating, with a particularly sharp increase in 2024 – and with far-reaching and in some cases irreversible consequences for our inland waters. Rising temperatures and changing water levels are driving new ecological dynamics: oxygen-free zones are expanding in lakes, the composition of species communities is changing and animals are adapting their behaviour – often struggling to obtain sufficient food.

A research technician taking water samples at Demnitz Millcreek
press release

Shallow water areas are crucial for the nutrient balance of a lake

Even deep clear water lakes, which are considered particularly valuable ecosystems, can show signs of eutrophication and algae growth - often for no apparent reason. A new study by four researchers from the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) now shows that the causes are not always to be found in increasing nutrient inputs from the catchment area or in re-dissolution processes in the deep areas of a lake, but also in the shallower areas up to a water depth of around 20 metres.

insight

Art and science open up new perspectives on the interplay between humans and nature

As part of Berlin Science Week 2024, IGB researchers, artists and the public immersed themselves in the diverse habitats of the Oder and Spree rivers. Four formats offered insights into the fragile balance of ecosystems, the sensitive relationships between species, human responsibility and the unifying power of art and science. On 14 December and 11 and 12 January, you can see, hear and experience extracts from these formats once again.