Blar i Published in cooperation with others på forfatter "Ugland, Karl Inne"
-
Harp seal (Phoca Groenlandica) invasions in north Norwegian coastal waters: A preliminary report on age composition and feeding habits
Haug, Tore; Krøyer, Ari B.; Nilssen, Kjell Tormod; Ugland, Karl Inne (ICES CM Documents;1990/N:6, Working paper, 1990)Since 1978 large numbers of harp seals (Phoca groenlandica) have invaded areas of North Norway in winter and spring. In 1987 and 1988 dramatic increases occurred both in magnitude and geographic extent of these seal ...