Browsing Published by IMR by Title
Now showing items 925-944 of 4036
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Habitat selection and inter year class interactions of young cod (Gadus morhua) in aquaria. In: Flødevigen rapportserie no 1, 1987
(Flødevigen rapportserie, Research report, 1987)Groups of five small (12 - 18 cm) cod were kept in aquaria with two compartments, one with sand and one with stones and algae. When alone, the small fish usually spent most of the time in the compartment with stones and ... -
Habitat selection of juvenile cod (Gadus morhua), whiting (Merlangus merlangius) and some littoral fish in an aquarium. In: Flødevigen rapportserie no 1, 1987
(Flødevigen rapportserie, Research report, 1987)Experiments were conducted to study the habit at selection of juvenile cod Gadus morhua, juvenile whiting merlangus merlangius, black goby Gobius niger, great pipefish Syngnathus acus, sand eel Ammodytes tobianus, ... -
Habitat-undersøkelse (hummer og leppefisk) i Oslofjorden
(Rapport fra senter for havbruk;1993 Nr. 13, Working paper, 1993-04) -
The Haddock in Norwegian Waters - I. Vertebrae Counts and Brood Strength Variations of young fish
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1952)The uniformity in vertebrae number, brood strength and growth which has been shown to exist in young haddock from northern Norway and the Barents Sea implies that these areas are inhabited by one main population. The ... -
The Haddock in Norwegian Waters : Methods in age and growth investigations
(Fiskeridirektoratets skrifter, Serie Havundersøkelser;vol 10 no 9, Research report, 1953) -
The haemoglobin polymorphism in Atlantic cod (Gadus morhua L.); genotypic differences in somatic growth and in maturing age in natural populations. In: The propagation of cod Gadus morhua L.: an international symposium, Arendal, 14 - 17 June 1983
(Flødevigen rapportserie, Conference object, 1984)The two common alleles at the polymorphic haemoglobin locus HbI (Sick, 1961) in the Atlantic cod (Gadus morhua L.) code for proteins whose functional properties are differentially influenced by environmental ... -
Half-year report 1987 of the project "Cultivation of catfish"
(Working paper, 1987) -
The halibut gillnet fishery in West Finnmark. Analysis of landings data from Øksfjord 1955-65
(Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)1. This study was based on statistics of gill net caught halibut landed at Øksfjord, West Finnmark from 1955 to 1965. For the most recent years some data on relative effort and weight distribution of the catches were ... -
Halogenerte organiske forbindelser i piggvar
(Rapport/Notat;BKO 8805, Working paper, 1988-11-28)Prøver samlet inn 15 oktober 1988 er analysert med hensyn på halogenerte forbindelser. Det er foretatt analyser av klorert sjøvann og isolert ca. 20 halogenerte forbindelser. Etter deklorering med natriumbisulfitt har det ... -
Halvparten av nordsjøsilda kan dø etter trenging i not : Crowding in purse seine can kill half the catch of North Sea herring
(Havforskningsnytt;Nr. 6 - 2010, Working paper, 2010)Catch regulation in purse seining for herring has traditionally been done by discarding all or part of the catch if it is too big, or if the size or quality of the herring does not match requirements. Net burst is also ... -
Halvtårssmolt
(Havforskningsnytt, Working paper, 1991) -
Haneskjell (Chlamys inslandica Müller) ved Spitsbergen og Bjørnøya - Undersøkelser i 1973
(Fisken og havet, Research report, 1974)In August 1973 experimental fishing for Chlamys islandica off Spitsbergen revealed extensive fields north of the island and also some concentrations on the western banks. Up to 1700 scallops were taken in 20 minute hauls ... -
Haneskjellet, Chlamys islandica (O. F. Müller) og dets utbredelse i noen nordnorske fjorder
(Fisken og havet;1962 - Nr. 3, Journal article, 1962)The distribution in northern Norway of the Iceland scallop, Chlamys islandica (O. F. Müller) has been mapped (Fig.s 3-7). The species is mostly found in the inner of fjords having one or two sills, 3-15 m deep ... -
Har langvarig fiskeutsetting påverka auren i Halne og Bjornesfjorden?
(Fisken og havet, Research report, 2004)In lake Halne and Bjornesfjord, brown trout has been stocked intensively for 30 years. To investigate the effects on wild gene pools, samples of trout were collected, and individuals classified as stocked, or wild naturally ... -
Har testet beste praksis for slipping fra not
(Havforskningsnytt;Nr. 2-2016, Working paper, 2016) -
Hardangerfjorden - produksjon av laksefisk og effekter på de ville bestandene av laksefisk
(Fisken og havet, Research report, 2004)Wild populations of salmon and seatrout in the Hardanger Fjord show significant declines in recent years.The report also describes the hydrographical conditions and the aquaculture production of salmonids in the fjord. The ... -
Hardangerfjorden under lupa; Interaksjonar mellom økosystem, akvakultur og bereevne og klimaendringar
(Havforskningstema;Nr.1-2009, Working paper, 2009) -
Havbasert oppdrett – hvor mye vannstrøm tåler laks og rensefisk? - fiskevelferd og grenseverdier
(Rapport fra havforskningen;2019 - 37, Research report, 2019)I fremtiden ønskes oppdrettsanlegg på mer eksponerte lokaliteter, gjerne langt til havs. Da kan fisken oppleve langt sterkere vannstrøm enn på tradisjonelle lokaliteter. Tåler laksen dette? Det er mange fordeler med ... -
Havbeite laks og torsk
(Havforskningsnytt, Working paper, 1992) -
Havbeite med laks
(Havforskningsnytt, Working paper, 1991)