Blar i ICES CM documents authored by IMR scientists (1949-2011) på forfatter "Sunnanå, Knut"
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Acoustic estimates of spawning cod off Lofoten and Møre in 1985
Godø, Olav Rune; Raknes, Askjell; Sunnanå, Knut (ICES CM Documents;1985/G:66, Working paper, 1985)The annual surveys on the spawning stock of North-east Arctic cod were carried out in the Lofoten and Møre areas in March- April 1985. These surveys were undertaken to estimate the size and age structure of the spawning ... -
Acoustic estimates of spawning cod off Lofoten in 1986
Raknes, Askjell; Sunnanå, Knut (ICES CM Documents;1986/G:79, Working paper, 1986)The annual survey on the spawning stock of North-east Arctic cod were carried out in the Lofoten area in March 1986. This survey was undertaken to estimate the size and age structure of the spawning cod on the main ... -
Bycatch of juvenile fish in the shrimp fishery - management based on bioeconomic criteria
Veim, Anne Kjos; Sunnanå, Knut; Sandberg, Per; Gullestad, Peter (ICES CM Documents;1994/T:14, Working paper, 1994)The bycatch of juvenile fish can be a major problem in fisheries with small meshed trawls, such as fisheries for shrimp, (Pandalus borealis). A sorting grid that effectively removes most of the undersized fish has been ... -
Estimates of stock size of Northeast Arctic cod and haddock from survey data 1986/1987
Godø, Olav Rune; Hylen, Arvid; Jacobsen, Jan Arge; Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald; Sunnanå, Knut (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
Hylen, Arvid; Jacobsen, Jan Arge; Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald; Sunnanå, Knut (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
Jakobsen, Tore; Mehl, Sigbjørn; Nakken, Odd; Nedreaas, Kjell Harald; Sunnanå, Knut (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 ... -
Evaluation of the Norwegian shrimp surveys conducted in the Barents Sea and the Svalbard area 1980- 1997
Aschan, Michaela; Sunnanå, Knut (ICES CM Documents;1997/Y:7, Working paper, 1997)Trawl surveys for shrimp (Pandalus borealis) have been conducted annually in the Barents Sea and the Svalbard area since 1980 by Norwegian research institutes. The surveys have been conducted in the period April to ... -
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 rough dab (Hippoglossoides platessoides) of the Barents Sea and Svalbard area: ecology and resource evaluation
Albert, Ole Thomas; Mokeeva, Natalia; Sunnanå, Knut (ICES CM Documents;1994/O:8, Working paper, 1994)Based on data from Norwegian and Russian bottom trawl surveys in the years 1988-1993, the paper considers distribution, population structure, growth and reproduction of long rough dab (Hippoglossoides platessoides) of ... -
NORFISK - an ecosystem simulation model for studies of the fish stocks off the coast of Norway
Bax, Nicholas J.; Sunnanå, Knut; Godø, Olav Rune; Dragesund, Olav (ICES CM Documents;1984/B:25, Working paper, 1984)A biomass based ecosystem simulation model has been fitted to a restricted area of the Norwegian coastal waters. The model uses a holistic ecosystem approach and data on biomasses and their interaction with each other ... -
Preliminary report of the Norwegian investigations on young cod and haddock in the Barents Sea during the winter 1985
Nakken, Odd; Hylen, Arvid; Sunnanå, Knut; Jakobsen, Tore (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, ... -
Results of Norwegian and Russian investigations of shrimp (Pandalus borealis) in the Barents Sea and Svalbard area in 1991
Berenboim, Boris I.; Mukhin, S.; Sunnanå, Knut (ICES CM Documents;1992/K:39, Working paper, 1992)The results of the Russian and Norwegian surveys for shrimp, Pandalus borealis, in the Barents sea in spring and the Svalbard area in autumn 1991 are presented in this paper. The survey results are presented by nation ... -
Results of Norwegian and Russian investigations of shrimp (Pandalus borealis) in the Barents Sea and Svalbard area in 1992
Aschan, Michaela; Berenboim, Boris I.; Mukhin, S.; Sunnanå, Knut (ICES CM Documents;1993/K:9, Working paper, 1993)The results of the Russian and Norwegian surveys for shrimp, Pandalus borealis, in the Barents Sea in spring and the Svalbard area in autumn 1992 are presented in this paper. The survey results are presented by nation ... -
Results of stratified trawl surveys for shrimp (Pandalus borealis) in the Barents sea and the Svalbard region in 1989
Hylen, Arvid; Sunnanå, Knut; Øynes, Per (ICES CM Documents;1989/K:26, Working paper, 1989)Results of stratified random bottom trawl survey in the Barents Sea in April - May and the Svalbard region in July August 1989 are described. However, the strata south of Bear Island were surveyed in July- August ... -
Spatial distributions of variables in marine environmental and fisheries research. Part 1: Geostatistics and autocorrelated environmental and fisheries data
Stensholt, Boonchai K.; Sunnanå, Knut (ICES CM Documents;1996/D:16, Working paper, 1996)The geographical information very often is lost during calculation of indices for the abundance from surveys. Isoplet diagrams showing the distribution of both fish abundance and temperature/salinity are usually produced ... -
Stomach contents of cod, haddock and saithe on the Møre coast in 1982 and 1983
Sunnanå, Knut (ICES CM Documents;1984/G:56, Working paper, 1984)As part of a biological investigation of important demersal fish species, stomachs have been taken from cod, haddock, saithe and a few other species in 1982 and 1983. Also observations of stomachs have been made in the ... -
The predation of cod on capelin 1983 -1988
Mehl, Sigbjørn; Sunnanå, Knut; Tjelmeland, Sigurd (ICES CM Documents;1988/G:55, Working paper, 1988)