Blar i ICES CM documents authored by IMR scientists (1949-2011) på forfatter "Jakobsen, Tore"
-
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) -
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 ...