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In the past it was the massive growth of algae, today it is the proliferation of the stickleback and the invasion of the quagga mussel: Lake Constance always has new challenges to master. In the Seewandel project, limnologists are investigating whether and how it can cope with the changed environmental conditions.
The tube with the heavy metal attachment hovers above the water surface for only a short time. The apparatus then quickly sinks into Lake Constance, which is around 50 meters deep at this point. Arriving at the bottom, the tube bores into the sediment. Now the apparatus again with the cable winch after
