Blar i ICES CM documents authored by IMR scientists (1949-2011) på tittel
Viser treff 1180-1199 av 3138
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Recent experiments with net of hexagonal meshes in purse seines.
(ICES CM Documents;1980/B:25, Working paper, 1980) -
Recent migration routes of Norwegian spring spawning herring
(ICES CM Documents;1992/H:18, Working paper, 1992)The migration routes of Norwegian spring spawning herring have changed considerably during the last decades. In the 1950s and beginning of the 1960s the stock spawned off the west coast of Norway in late winter, were ... -
Recent studies of the distribution and abundance of grey seals (Halichoerus grypus) in north Norway, and their possible influence on parasitic infestations in fish
(ICES CM Documents;1991/N:2, Working paper, 1991)Distributions of grey seals Halichoerus grypus were studied during aerial and ground surveys in North Norway. Surveys were conducted from Lofoten to the Soviet border during the moult (March-April, Finnmark) and breeding ... -
Recent upper layer cooling and freshening in the Norwegian Sea
(ICES CM Documents;1996/C:7, Working paper, 1996)Several time series of temperature and salinity in the Norwegian Sea indicate a general upper layer decrease in both variables. The observations indicate that this change began in about the middle of the 1960s. Time ... -
Recent variations in recruitment of Northeast Atlantic greenland halibut (Reinhardtius hippoglossoides) in relation to physical factors
(ICES CM Documents;1997/EE:6, Working paper, 1997)Based on annual bottom trawl surveys in the Barents Sea and Svalbard area in 1983-96, the paper describes variations in abundance and composition of 1-group Greenland halibut (Reinhardtius hippoglossoides). The main ... -
Recommendations for the collection of multifrequency acoustic data
(ICES CM Documents;2004/R:36, Working paper, 2004)Traditionally, collection of acoustic data has been optimised for a single frequency, while requirements for the optimal combination of multifrequency data has been given less attention. Even though data manipulation can ... -
Recordings of mature Gonatus fabricii (Lichtenstein) off the Norwegian coast
(ICES CM Documents;1996/K:17, Working paper, 1996)Two mature female and three mature males were sampled by trawling with a pelagic trawl at depths of more than 800 m off northem Norway. A third female were sampled with bottom trawl at 970 m off mid Norway. The females ... -
Recruitment indeces of the Arcto-Norwegian cod for the period 1965-1979 based on the international 0-group fish surveys
(ICES CM documents;1982/G:43, Working paper, 1982)The trawl data from the International 0-group fish surveys in the Barents Sea are analysed. The fishing powers of the participating vessels are estimated and corrected for. Relative indices of yearclass strength are computed ... -
Recruitment indices of Norwegian spring-spawning herring for the period 1965 -1984 based on the international 0-group fish surveys
(ICES CM Documents;1985/H:54, Working paper, 1985)The trawl data from the International 0-group fish surveys in the Barents Sea are analyzed. The fishing powers of the participating vessels are estimated and corrected for. A relative index of year class strength is ... -
Recruitment of the Barents Sea capelin 1951-1961
(ICES CM Documents;1972/H:24, Working paper, 1972) -
Recruitment of wild and artificially reared cod (Gadus morhua L.) to the local spawning stock
(ICES CM Documents;1987/F:27, Working paper, 1987)A stock enhancement study of coastal cod was initiated in 1983, when 19,002 artificially reared cod fry were tagged and released in the Austevoll region in western Norway. As a part of this program, 3,946 cod fry were ... -
Recruitment of young Arcto-Norwegian cod and haddock in relation to parent stock size
(ICES CM Documents;1970/Sy:19, Working paper, 1970) -
Recruitment variability in Norwegian spring-spawning herring (Clupea harengus L.): the effect of temperature in larval drift trajectories
(ICES CM documents, Working paper, 2000)During late winter, the Norwegian spring-pawning (NSS) herring migrate southward along the Norwegian coast to spawn in March-April. The larvae drift northwards in the Norwegian coastal current during their first months and ... -
Reduced bycatch of red king crab (Paralithodes camtschatica) in the cod gillnet fisheries in northern Norway: Fishing trials with norsel mounted gillnets
(ICES CM documents, Working paper, 2000)Bycatch of red king crab (Paralithodes camtschatica) in stationary fishing gears, q&ally gillnets, is an increasing problem to the inshore fishermen in the northern part of Norway (Finnmark county). The results are large ... -
Reduced oxygen concentrations in herring wintering areas
(ICES CM Documents;1992/H:16, Working paper, 1992)Since 1987 the major part of the adult Norwegian spring spawning herring stock has been wintering in the Ofotfjord and the Tysfjord, two tributaries to the Vestfjord in northern Norway. The herring enter the fjords in ... -
Reduction of fish bycatch in shrimp trawl using a solid separator grid in the aft belly
(ICES CM documents;1990/B:47, Working paper, 1990)During 1989-90 a new concept to avoid bycatch of fish in shrimp trawl has been developed in Norway. The system consists of an aluminium grid, 0.6 - 1.0 m wide and 1.3 - l.5 m long, with bars spaced 19 mm. The grid is ... -
Regional dynamics of Calanus in the Norwegian Sea in response to ocean climate in 1997
(ICES CM Documents;2000/M:20, Working paper, 2000)A coupled 3D hydrodynamic and ecological model has been set up for the Norwegian Sea (i.e. SINMOD). The hydrodynamic model uses the z-coordinates in the vertical direction. The horizontal grid point distance is 6.67 km ... -
Registration of diseases during traditional biological surveys
(ICES CM Documents;1983/Gen:8, Working paper, 1983) -
Regulation of environmental effects of mariculture in Norway
(ICES CM Documents;1995/R:7, Working paper, 1995)The rapid development of the mariculture industry in Norway has caused pollution problems in the marine environment as well as conflicts with other users of the coastal zone. Research and practical experience have helped ...