1. Department F.‐A Forel for Environmental and Aquatic Sciences Institute for Environmental Sciences University of Geneva Geneva Switzerland
2. Department of Ecosystem Research Leibniz‐Institute of Freshwater Ecology and Inland Fisheries Berlin Germany
3. Department of Biology, Chemistry, and Pharmacy Freie Universität Berlin Berlin Germany
4. Department of Aquatic Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
5. Department of Ecology and Genetics Uppsala University Uppsala Sweden
6. Department of Freshwater and Marine Ecology Institute for Biodiversity and Ecosystem Dynamics University of Amsterdam Amsterdam The Netherlands