Blar i Brage IMR på forfatter "Huse, Ingvar"
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Migratory behaviour of cultured Atlantic salmon smolts released during day or night
Holm, Marianne; Huse, Ingvar; Jørstad, Knut Eirik; Ona, Egil; Skilbrei, Ove (ICES CM documents, Working paper, 1998) -
Observation of fish behaviour, density and distribution around a surveying vessel by means of a deployable echo sounder system
Øvredal, Jan Tore; Huse, Ingvar (ICES CM Documents;1999/J:9, Working paper, 1999)Detailed acoustic observations of fish behaviour, distribution and density in the trawl area are necessary in order to establish quantitative relationships between trawl samples and fish density. Acoustic observation ... -
Observation of fish behaviour, density and distribution around a surveying vessel by means of a deployable echo sounder system
Øvredal, Jan Tore; Huse, Ingvar (ICES CM documents, Working paper, 1999)Detailed acoustic obsewations of fish behaviour, distribution and density in the trawl area are necessary in order to establish quantitative relationships between trawl samples and fish density. Acoustic observation close ... -
Present ssatus of an intensive cod larvae rearing experiment at Austevoll
Huse, Ingvar; Jensen, Per Anders (ICES CM Documents;1981/F:13, Working paper, 1981)Cod yolk sac larvae were attempted start fed on natural plankton in plastic pens. The majority of the larval groups were also hatched in these pens. None of the sampled larvae had ingested feed, and all groups died out ... -
Present status of an intensive cod-rearing experiment at Austevoll, Norway
Huse, Ingvar; Lohne Gokstad, Svanhild; Grav, Torfinn; Jensen, Per Anders; Kristiansen, Arve; Opstad, Ingegjerd (ICES CM Documents;1982/F:16, Working paper, 1982) -
Production experiment of halibut fry (Hippoglossus hippoglossus) in silos
Rabben, Håvard; Jelmert, Anders; Huse, Ingvar (ICES CM Documents;1987/F:42, Working paper, 1987)Silos with conical bottoms and a volume of approx 3.5 m3 are tested as storing units for halibut yolk-sac larvae. The silos were run in three different ways: A: Stagnant water with a saltplug till day 10 and later slow ... -
Production experiment of halibut fry in large enclosed water columns
Rabben, Håvard; Nilsen, T.O.; Huse, Ingvar; Jelmert, Anders (ICES CM Documents;1986/F:19, Working paper, 1986)Halibut eggs were hatched in 21 floating enclosures and the larvae stored through the yolk sac period under 5 different environmental conditions, each with 4 parallels. The effect of the different environments was ... -
Qualitative and quantitative behaviour studies in starving and feeding turbot (Scopthalmus maximus L.) larvae
Huse, Ingvar; Skiftesvik, Anne Berit (ICES CM Documents;1985/F:38, Working paper, 1985)A computer aided video system was used to register three dimensional movement and behaviour patterns in starving and feeding turbot larvae. The feeding larvae were kept and were monitored beyond metamorphosis in the ... -
Qualitative contrast comparisons of differently coloured gillnets.
Angelsen, Karl Kr.; Huse, Ingvar (ICES CM Documents;1979/B:20, Working paper, 1979)A regularly returning problem for Norwegian gill net manufacturers has been that fishermen often change their fancy for gill net colours, and also that fishermen from different districts have separate colour preferences. ... -
Selundersøkelser i det nordlige Atlanterhav i 1972
Benjaminsen, Terje; Bergflødt, Bjørn; Frøland, Alfred; Huse, Ingvar; Øritsland, Torger; Påsche, A. (Fisken og havet, Research report, 1973)Accounts are given of field work at Newfoundland—Labrador, in the Jan Mayen area of the Greenland Sea (West Ice), in the southeastern Barents Sea (East Ice) and in the Denmark Strait to collect material and data for ... -
Selundersøkelser i det nordlige Atlanterhav i 1974
Benjaminsen, Terje; Bergflødt, Bjørn; Frøland, Alfred; Huse, Ingvar; Øritsland, Torger (Fisken og havet, Research report, 1975)Accounts are given of weather and ice conditions, the distribution of seals and of sampling of harp and hooded seals at Newfoundland-Labrador, in the West Ice (at Jan Mayen), in the East Ice (in the Eastern Barents Sea) ... -
Selundersøkelser i det nordlige Atlanterhav i 1974
Benjaminsen, Terje; Bergflødt, Bjørn; Frøland, Alfred; Huse, Ingvar; Øritsland, Torger (Fisken og havet;1975 - Nr.2, Research report, 1975)Accounts are given of weather and ice conditions, the distribution of seals and of sampling of harp and hooded seals at Newfoundland-Labrador, in the West Ice (at Jan Mayen), in the East Ice (in the Eastern Barents Sea) ... -
Status of an intensive cod rearing project in Norway.
Huse, Ingvar; Jensen, Per Anders (ICES CM Documents;1980/F:23, Working paper, 1980)Cod yolk sac larvae were start fed with natural plancton in plastic pens. Eggs were obtained from a plastic spawning pen where cod spawned naturally. An attempt to incubate eggs directly in the start feed pens failed. ... -
Surface activity of Atlantic salmon (Salmo salar) in net pens
Furevik, Dag M.; Huse, Ingvar; Bjordal, Åsmund; Fernö, Anders (ICES CM Documents;1988/F:19, Working paper, 1988)An important feature of the behaviour of salmon is the leaping and rolling activity. These surface activities were studied in fish in net pens in relation to environmental factors and operational procedures. Data were ... -
The effect of shading in pen rearing of Atlantic salmon (Salmo salar)
Huse, Ingvar; Bjordal, Åsmund; Fernö, Anders; Furevik, Dag M. (ICES CM Documents;1988/F:18, Working paper, 1988)A full scale pen rearing experiment with covers to reduce illumination was carried out. No significant effects were observed on growth, mortality, ectoparasite infection, maturation or net pen fouling. -
Trypsin and trypsinogen as indices of growth and survival potential of cod (Gadus morhua L.) larvae. In: The propagation of cod Gadus morhua L.: an international symposium, Arendal, 14 - 17 June 1983
Hjelmeland, Knut; Huse, Ingvar; Jørgensen, Terje; Molvik, G.; Raa, Jan (Flødevigen rapportserie, Conference object, 1984)Using a radioimmunoassay it could be demonstrated that the content of trypsin and trypsinogen in cod larvae increased markedly during the first 4 days after hatching. In the same period the trypsin activity, measured ... -
Variation in acoustically measured abundance from repeated surveys of herring
Huse, Ingvar; Ostrowski, Marek (ICES CM documents, Working paper, 1998)A large concentration of wintering herring was surveys continuously with acoustics over 37 hours in a fjord in Northern Norway. 16 surveys of the same area were conducted. Total abundance and statistics were computed for ... -
Vertical distribution of cod, haddock and redfish; Impact on bottom trawl and acoustic surveys in the Barents Sea
Aglen, Asgeir; Engås, Arill; Huse, Ingvar; Michalsen, Kathrine; Stensholt, Boonchai K. (ICES CM Documents;1997/Y:16, Working paper, 1997)At a selected location in the Barents Sea acoustic observations, bottom- and pelagic trawl catch data were collected over a 10 day period. A large proportion of the fish were in the acoustic dead zone during the sampling ...