Blar i Brage IMR på forfatter "Jakobsen, Tore"
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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) -
Skreiinnsiget i Lofoten 1976
Jakobsen, Tore (Fisken og havet, Research report, 1978)In the period 19 February - 5 March 1976 three echo surveys were made with R.V. "Peder Rønnestad" in Lofoten. The distribution of Arctic cod was charted by counting the number of fish recorded per nautical mile by the ... -
Skreiinnsiget i Lofoten i 1973
Jakobsen, Tore (Fisken og havet, Research report, 1974)In the period 13 February to 2 March 1973 three surveys were made with R.V. «Peder Rønnestad» in the Lofoten area. The distribution of the spawning Arctic cod was charted and is presented on three figures. The abundance ... -
Skreiinnsiget i Lofoten i 1975
Jakobsen, Tore (Fisken og havet;1975 - Nr.2, Research report, 1975)In the period 24 February to 14 March 1975 three echo surveys were made with R. V. "Peder Rønnestad" in the Lofoten area. The distribution of the spawning Arctic cod was charted by counting the number of fish recorded per ... -
Skreiinnsiget i Lofoten i 1977
Jakobsen, Tore (Fisken og havet, Research report, 1978)In the period 1 February to 2 March 1977 five echo surveys were made with R.V. "Peder Rønnestad" and R.V. "Johan Ruud" in Lofoten. The distribution of spawning Arctic cod was charted by counting the number of fish recorded ... -
Skreiinnsiget i Lofoten i 1978
Jakobsen, Tore (Fisken og havet, Research report, 1979)In the period 5 February to 2 March 1978 three echo surveys were made with R.V. "Johan Ruud" and R.V. "Peder Rønnestad" in Lofoten. The distribution of Arctic cod was charted by counting the number of fish recorded per ... -
Skreitelling med ekkointegrator i Lofoten i 1972
Jakobsen, Tore; Smedstad, Odd M. (Fisken og havet;1972 - Nr. 3, Research report, 1972)A survey in the inner part of the Lofoten area was carried out vith R.V. «Johan Hjort» 14-15 March 1972. Abundance estimates and distribution charts were made on the basis of echo integrator deflections. The abundance ... -
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) -
Storseiundersøkelser på kystbankene fra Møre til Lofoten i tiden 1. - 11. mars 1972
Jakobsen, Tore (Fisken og havet;1972 - Nr. 3, Research report, 1972)The coastal banks from Møre to Lofoten were surveyed with R.V. «Johan Hjort» during the period I —11 March 1972. The primary aim of the survey was by means of echo sounding and trawling to obtain information about the ... -
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 Barents Sea - ecosystem, resources, management. Half a century of Russian - Norwegian cooperation
Jakobsen, Tore; Ozhigin, Vladimir K. (Book, 2011) -
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 ...