1. Leibniz-Institute of Freshwater Ecology and Inland Fisheries; Berlin Germany
2. Institute of Biology; Freie Universität Berlin; Berlin Germany
3. School of Geography; Queen Mary University of London; London UK
4. Center for Applied Geosciences; Eberhard Karls Universität Tübingen; Tübingen Germany
5. Department of Zoology; Conservation Science Group; University of Cambridge; Cambridge UK
6. School of Geography and the Environment; University of Oxford; Oxford UK
7. Freshwater Biodiversity Unit; IUCN Global Species Programme; Cambridge UK
8. Austrian Science Fund (FWF); Vienna Austria