1. British Antarctic Survey Cambridge UK
2. Dept of Zoology, Univ. of British Columbia Vancouver British Columbia Canada
3. Arctic Research Centre, Aarhus Univ. Denmark
4. Arctic Environment, Dept of Bioscience, Aarhus Univ. Roskilde Denmark
5. Greenland Climate Research Centre, Greenland Inst. of Natural Resources Nuuk Greenland
6. Marine Ecology, Dept of Bioscience, Aarhus Univ. Silkeborg Denmark
7. Aquatic Biology, Dept of Biology, Aarhus Univ. Aarhus C Denmark
8. Inst. of Oceanology, Polish Academy of Sciences Sopot Poland