1. Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Department of Ecosystem Research, Berlin, Germany
2. University of Potsdam, Institute of Earth and Environmental Sciences, Potsdam, Germany
3. Potsdam Institute for Climate Impact Research, Research Domain of Earth System Analysis, Potsdam, Germany
4. Humboldt-Universität zu Berlin, Department of Geography, Berlin, Germany
5. Leibniz Centre for Agricultural Landscape Research, Müncheberg, Germany
6. Eawag (Swiss Federal Institute of Aquatic Science and Technology), Department of Water Resources and Drinking Water, Dübendorf, Switzerland
7. Freie Universität Berlin, Department of Biology, Chemistry, Pharmacy, Berlin, Germany