coasts of our seas have always been a natural and constant companion for the inhabitants. However, due to the climate crisis, they can increase dramatically and get out of hand. With rising sea levels and [...] an increase in extreme storms, severe erosion is taking place on many coasts - not only in the North Sea, but also in the Mediterranean. The island of Djerba, a popular vacation destination in Tunisia [...] activities. The Project objectives At the AWI with the Biological Institute Helgoland and the Wadden Sea Station Sylt as well as the University of Sfax in Tunisia, researchers are working on slowing down