1. Institute of Marine Research , PO Box 1870 Nordnes, 5817 Bergen , Norway
2. Institute of Marine Research, Matre Research Station , Matre 5, 5984 Matredal , Norway
3. University of Turku, Biodiversity Unit , 20014 Turku , Finland
4. Tmi Olli van der Meer , Hiomonkatu 14, Haukipudas , Finland
5. County Governor of Troms and Finnmark , Damsveien 1, 9800 Vadsø , Norway