1. Department of Zoology; University of Cambridge; Cambridge; CB2 3EJ; UK
2. School of Biological Sciences; University of East Anglia; Norwich Research Park; Norwich; NR4 7TJ; UK
3. Institute of Biodiversity Science; School of Life Sciences; Fudan University; Shanghai; China
4. Institute for Land, Water and Society; Charles Sturt University; Albury; NSW; Australia
5. US Geological Survey; Alaska Science Center; 4210 University Drive; Anchorage; AK; 99508; USA
6. Global Flyway Network Sudamérica & Programa Humedales Fundación Inalafquen; Pedro Morón 385; San Antonio Oeste; 8520; Río Negro; Argentina
7. South Iceland Research Centre; University of Iceland; Tryggvagata 36; IS-800 Selfoss/Gunnarsholt IS-851; Hella; Iceland
8. Alterra; Centre for Ecosystem Studies; PO Box 47; 6700 AA; Wageningen; The Netherlands
9. UNESCO Centre for Water Law, Policy & Science; University of Dundee; Dundee; DD1 4HN; UK
10. Biodiversity Laboratory; Department of Biology & Biochemistry; University of Bath; Bath; BA2 7AY; UK
11. Scottish Natural Heritage; Silvan House; 231 Corstorphine Road; Edinburgh; EH12 7AT; UK