Browsing IMR monitoring series by Document Types "Working paper"
Now showing items 1-17 of 17
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Bunnfiskundersøkelser i Barentshavet vinteren 1993
(Rapport fra senter for marine ressurser;Nr. 14 - 1993, Working paper, 1993) -
Estimates of stock size of Northeast Arctic cod and haddock from survey data 1986/1987
(ICES CM documents, Working paper, 1987)Combined acoustic and bottom trawl survey for cod and haddock were carried out in the Svalbard area in autumn 1986 and in the Barents Sea during the winter 1987. An acoustic survey for spwaning cod was carried out in March ... -
Estimates of stock size of northeast Arctic cod and haddock, "Sebastes mentella" and "Sebastes marinus" from survey data, winter 1988
(ICES CM Documents;1988/G:43, Working paper, 1988)An acoustic survey and a bottom trawl survey for cod and haddock were carried out in the Barents Sea during the winter 1988. The fish still had the westerly distribution established in the previous year, but the echo ... -
Estimates of stock size of northeast arctic cod and haddock, Sebastes mentella and Sebastes marinus from survey data, winter 1989
(ICES CM documents, Working paper, 1989)The combined acoustic and bottom trawl survey in the Barents Sea in winter has been carried out since 1981. The target species are cod and haddock, but in recent years the redfish species Sebastes marinus and Sebastes ... -
Investigations on demersal fish in the Barents Sea in winter 1977
(ICES CM Documents;1977/F:23, Working paper, 1977) -
Investigations on demersal fish in the Barents sea winter 1999: Main results
(Working paper, 1999) -
Norwegian investigations on young cod and haddock in the Barents Sea during the winter 1982
(ICES CM documents, Working paper, 1982)An acoustic survey and a bottom trawl survey were carried out in the Barents Sea during winter 1982. Both surveys showed that there has been a reduction in the total number of cod of about 50% and about 75% for haddock in ... -
Preliminary report of the Norwegian investigations on young cod and haddock in the Barents Sea
(ICES CM documents, Working paper, 1986)An acoustic survey and a bottom trawl survey for cod and haddock were carried out in the Barents Sea during the winter 1986. As a result of strong improvement in the recruitment for both species, most of the echo abundance ... -
Preliminary report of the Norwegian investigations on young cod and haddock in the Barents Sea during the winter 1982
(ICES CM documents, Working paper, 1983)An acoustic survey and a bottow trawl survey for cod and haddock were carried out in the Barents Sea during the winter 1983. The two surveys gave different results. The acoustic survey showed a 50 % reduction from 1982 for ... -
Preliminary report of the Norwegian investigations on young cod and haddock in the Barents Sea during the winter 1985
(ICES CM documents, Working paper, 1985)An acoustic survey and a bottom trawl survey for cod and haddock were carried out in the Barents Sea during the winter 1985. The acoustic data and the biological data from trawl stations were combined in two different ways, ... -
Preliminary reports of the Norwegian investigations on young cod and haddock in the Barents Sea during the winter 1984
(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 ... -
Toktrapport [20/1 - 6/3, 20/1 - 27/2, 1981]
([Toktrapport/Havforskningsinstituttet];, Working paper, 1981) -
Undersøkelse av torsk, hyse og uer i Barentshavet vinteren 1990
(Working paper, 1990)The combined acoustic and bottom trawl survey in the Barents Sea in winter has been carried out since 1981. The target species are cod and haddock, but in recent years the redfish species in the area have also been included. ... -
Undersøkelser av torsk, hyse og uer i Barentshavet vinteren 1990
([Toktrapport/Havforskningsinstituttet];, Working paper, 1990) -
Undersøkelser av torsk, hyse og uer i Barentshavet vinteren 1991
([Toktrapport/Havforskningsinstituttet];, Working paper, 1991) -
Undersøkelser av torsk, hyse og uer i Barentshavet vinteren 1992
([Toktrapport/Havforskningsinstituttet];, Working paper, 1992)