1. Centre for Arctic Gas Hydrate, Environment and Climate, UiT‐The Arctic University of NorwayTromsø Norway
2. Department of BiologyBates CollegeLewiston Maine USA
3. Now at Division of Polar ProgramsNational Science FoundationArlington Virginia USA
4. Akvaplan‐niva, FRAM ‐ High North Research Centre for Climate and the EnvironmentTromsø Norway