1. School of Ocean and Earth Science, National Oceanography Centre University of Southampton Waterfront Campus Southampton UK
2. Wildfowl & Wetlands Trust Slimbridge UK
3. Atlantic Laboratory for Avian Research University of New Brunswick Fredericton Canada
4. Atlantic Laboratory for Avian Research Department of Biological Sciences University of New Brunswick Saint John Canada
5. Independent Researcher Brautarland 2, 108 Reykjavik Iceland
6. Institute of Geography, Russian Academy of Sciences Moscow Russia
7. School of Biological Sciences University of Southampton Southampton UK