Browsing Published in cooperation with others by Author "Gjøsæter, Jakob"
Now showing items 1-17 of 17
-
Age, Growth, Reproduction and Feeding of Benthosema glaciale (Myctophidae) from Western Norway
Gjøsæter, Jakob (ICES CM Documents;1970/H:5, Working paper, 1970) -
Demersal fish on the continental slope off Norway
Gjøsæter, Jakob (ICES CM documents;1975/F:29, Working paper, 1975)Investigations on distribution and abundance of demersal fish in 400-1000 m depth were carried out in three selected areas off Norway in July-August 1974. Based on catches in 48 hauls by bottom trawl and 3 long-line settings ... -
Growth of the Barents Sea capelin of the year-classes 1967-70
Monstad, Terje; Gjøsæter, Jakob (ICES CM Documents;1977/H:39, Working paper, 1977)Otoliths of the 1967-70 year-classes of the Barents Sea capelin have been analyzed. For otoliths with radius < 0,74 mm there was a close, linear relation between fish length and otolith radia. For larger otoliths the ... -
Habitat selection and competition amongst 0-group gadidae off Mid-Norway
Godø, Olav Rune; Sunnanå, Knut; Gjøsæter, Jakob; Dragesund, Olav (Working paper, 1988)Juvenile gadids and other co-occurring fishes were collected during August in the years 1981 to 1983 at the Møre coast (Mid-Norway). The gears used were pelagic trawl, bottom trawl, Danish seine and beach seine. All species ... -
Long-term movement patterns of coastal cod (Gadus morhua)
Espeland, Sigurd Heiberg; Gjøsæter, Jakob; Stenseth, Nils Christian (ICES CM Documents;2001/L:18, Working paper, 2001)Movement patterns were studied by means of hydroacustic telemetry along the Norwegian Skagerrak coast. Ultrasonic transmitters was surgically implanted in 10 coastal cod, and released in the same area as they where caught. ... -
The Norwegian Skagerrak coastal cod
Gjøsæter, Jakob (ICES CM documents;1990/G:50 Appendix III, Working paper, 1990) -
Preliminary results of Norwegian polar cod investigations 1970-1972
Gjøsæter, Jakob (ICES CM Documents;1973/F:8, Working paper, 1973) -
Preliminary results of the Norwegian capelin investigations during winter and spring 1971
Dragesund, Olav; Gjøsæter, Jakob; Monstad, Terje (ICES CM Documents;1971/H:24, Working paper, 1971) -
Primary growth rings in Blue Whiting otoliths
Gjøsæter, Jakob; Beck, Inger Marie (ICES CM documents;1979/H:32, Working paper, 1979)To approach the problem of ageing blue whiting, acetat prints of the otoliths have been studied through a microscope. Primary growth rings have been counted, and provided that these are formed daily, the hatching time could ... -
Primary growth rings in otoliths of the Barents Sea capelin
Gjøsæter, Jakob; Monstad, Terje (ICES CM Documents;1982/H:9, Working paper, 1982) -
Recruitment of the Barents Sea capelin 1951-1961
Gjøsæter, Jakob (ICES CM Documents;1972/H:24, Working paper, 1972) -
Report on an otolith workshop in Bergen, January 18-29, 1982
Gjøsæter, Jakob (Working paper, 1982) -
Some preliminary observations on catfish (Anarchicas lupus L. and A. minor Olafsen) in captivity
Gjøsæter, Jakob; Moksness, Erlend (ICES CM documents;1987/F:32, Working paper, 1987)Newly hatched catfish larvae have been start fed on commercial dry pellets with a survival rate of 60 % in the best group during the first 100 days after hatching. The specific growth rate has varied between 2.17 and 3.52 ... -
The squid Gonatus fabricii (Lichtenstein) : Investigations in the Norwegian Sea and western Barents Sea 1978-1981
Wiborg, Kristian Fredrik; Gjøsæter, Jakob; Beck, Inger Marie (ICES CM documents;1982/K:31, Working paper, 1982)Gonatus fabricii is widely distributed in the arctic and subarctic waters of the north Atlantic Ocean. During summer and autumn juveniles are numerous in the surface layers of the Norwegian Sea. The adults live mainly below ... -
The squid Gonatus fabricii (Lichtenstein) : Investigations in the Norwegian Sea and western Barents Sea 1982-1983
Wiborg, Kristian Fredrik; Gjøsæter, Jakob; Beck, Inger Marie (ICES CM documents;1984/K:19, Working paper, 1984)Investigations on gonatus fabricii (gonatus) in the Norwegian Sea and western Barents Sea continued during June-September 1982 and 1983. Materials were collected with pelagic trawls and from stomach contents of blue ling ... -
The squid Todarodes sagittatus (Lamark) : Distribution and biology in northern waters, April 1980 - April 1981
Wiborg, Kristian Fredrik; Gjøsæter, Jakob (ICES CM documents;1981/K:14, Working paper, 1981)Durinq the summerer and autumn of 1980 the squid Todarodes sagittatus invaded the Norwegian Sea and adjacent areas in great quantities. The invasion may partly be connected with an increased influx of Atlantic water, as ... -
The squid Todarodes sagittatus (Lamark) : Distribution and biology in northern waters, August 1981 - April 1982
Wiborg, Kristian Fredrik; Gjøsæter, Jakob; Beck, Inger Marie; Fossum, Petter (ICES CM documents;1982/K:30, Working paper, 1982)Since 1977 the squid Todarodes sagittatus has invaded the Norwegian coast and adj acent areas every year. Materials for investigation were collected from August 1981 to April 1982. In coastal areas the mean dorsal mantle ...