Browsing Brage IMR by Author "Kjellqwist, Sten Anders"
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Recent age compositions and aberrant migration patterns of the Barents Sea stock of harp seals Phoca groenlandica
Nilssen, Kjell Tormod; Haug, Tore; Øritsland, Torger; Lindblom, Lotta; Kjellqwist, Sten Anders (ICES CM Documents;1996/N:4, Working paper, 1996)Since 1978, and in particular in 1986-1988, large numbers of harp seals Phoca groenlandica have invaded coastal waters of North Norway during winter and spring. After 1988 the harp seal invasions have been restricted to ... -
Trends in growth and reproductive parameters of Barents Sea harp seals
Kjellqwist, Sten Anders; Haug, Tore; Øritsland, Torger (Working paper, 1993)Data from reproductive organs of Barents Sea harp seals Phoca groenlandica with corresponding age determinations have been analysed in combined samples collected during three periods: 1963-1972, 1976-1985 and 1990-1993. A ...