Institution: | a Oulu Game and Fisheries Research, Finnish Game and Fisheries Research Institute Tutkijantie 2 A, FIN-90570 Oulu, Finland
b Luleå Research Office, National Board of Fisheries Skeppsbrogatan 9, SE-97238 Lulea, Sweden
c Institute of Freshwater Research, National Board of Fisheries Brobacken, SE-81494 Alvkarleby, Sweden
d Finnish Game and Fisheries Research Institute Pukinmäenaukio 4, PO Box 6, FIN-00721 Helsinki, Finland
e County Administrative Board, County of Västerbotten Storgatan 71 B, SE-90186 Umea, Sweden |