Blar i Published in cooperation with others på forfatter "Jakobsen, Tore"
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Preliminary reports of the Norwegian investigations on young cod and haddock in the Barents Sea during the winter 1984
Nakken, Odd; Dalen, John; Hylen, Arvid; Randa, Kjell; Jakobsen, Tore (ICES CM documents, Working paper, 1984)An acoustic survey and a bottom trawl survey for cod and haddock were carried out in the Barents Sea during the winter 1984. The two surveys gave different results, both in absolute terms and when changes from the 1983 ... -
Preliminary results of saithe tagging experiments on Norwegian Coast in 1973
Jakobsen, Tore (ICES CM Documents;1976/F:39, Working paper, 1976) -
Preliminary results of saithe tagging experiments on the Norwegian coast 1975-77
Jakobsen, Tore (ICES CM Documents;1981/G:35, Working paper, 1981)In 1975-77, 18 942 saithe were tagged on the Norwegian coast, a continuation of a tagging program which started in 1972. The results confirm the migration pattern indicated by experiments in 1970-74. There is a substantial ... -
Preliminary results of saithe tagging experiments on the west coast of Norway in 1972
Jakobsen, Tore (ICES CM Documents;1975/F:35, Working paper, 1975) -
Recruitment and distribution of North-East Arctic saithe in relation to changes in the environment
Jakobsen, Tore (PINRO-IMR Symposium, Conference object, 1987)The stocks of North-East Arctic saithe and Arctic cod have responded in a similar way to the period of cold climate in the Barents Sea 1976 - 1982. Since a relationship with the climate has been established for Arctic ... -
Saithe tagging experiments in northern Norway north of 68°N, 1970 - 74.
Jakobsen, Tore (ICES CM Documents;1978/G:34, Working paper, 1978)From 1970 to 1974, 7913 saithe were tagged and released along the coast of northern Norway from north of 68 N and eastwards nearly to the border between Norway and the USSR. -
Saithe tagging experiments on the Norwegian coast between 62°N AND 67°N, 1971 - 74.
Jakobsen, Tore (ICES CM Documents;1978/G:33, Working paper, 1978)From 1971 to 1974, 5222 saithe were tagged and released on the Norwegian coast between 62°N and 67°N. Previously, Sund (1925) had tagged 1000 saithe in summer 1921 at about 67°N. Both northward and southward migration was ... -
Saithe tagging experiments on the Norwegian west coast south of 62°N, 1972 - 74.
Jakobsen, Tore (ICES CM Documents;1978/G:32, Working paper, 1978)From 1972 to 1974, 6291 saithe were tagged and released on the Norwegian west coast between 59 N and 62 N. Before 1972, only 40 saithe have been tagged in the area, in 1956 and 1959, and these experiments were not extensive ... -
Selectivity experiments with Danish seine on cod and haddock in northern Norway in 1983
Jakobsen, Tore (ICES CM Documents;1985/B:25, Working paper, 1985)In August-September 1983, selectivity experiments with Danish seine were carried out in northern Norway. Two commercial vessels were used and hauls with 110 mm and 135 mm mesh size were compared, using the alternate ... -
Selevtivity experiments with Danish seine on cod and haddock in northern Norway in 1982
Jakobsen, Tore (ICES CM Documents;1983/B:18, Working paper, 1983) -
Some consequences of long-term management strategies
Jakobsen, Tore (IMR/PINRO Joint Report Series, Conference object, 2002) -
Some consequences of long-term management strategies
Jakobsen, Tore (IMR/PINRO Joint Report Series, Conference object, 2002) -
Tagging of pollack on the Norwegian west coast in 1979
Jakobsen, Tore (ICES CM Documents;1985/G:24, Working paper, 1985)In August 1979, 160 3-4-year-old pollack were tagged on the Norwegian west coast at about 60°N. Recaptures were mostly within 5 nautical miles and not more than 20 nautical miles from the tagging locality. The recapture ... -
Tagging of saithe on the Norwegian coast in 1978-1980
Jakobsen, Tore (ICES CM Documents;1985/G:23, Working paper, 1985)Continuing a series of tagg ing experiments cover ing most of the Norwegian coast each year since 1972, 15 038 saithe were tagged in inshore localities in 1978-1980. In addition, 1494 «ai the caught by trawl were tagg ... -
The relationship between spawning stock and recruitment for Atlantic cod stocks
Jakobsen, Tore (ICES CM Documents;1996/G:15, Working paper, 1996)The relationship between spawning stock biomass and recruitment in Atlantic cod stocks is investigated by ranking the SSB values according to size and applying a moving average of ten points. The resulting averages are ...