Blar i Havforskningsinstituttet på emneord "gyteplasser"
Viser treff 1-20 av 35
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A preliminary report on the migration and recruitment to the commercial stock of Greenland halibut (Reinhardtius hippoglossoides) in the Svalbard area.
(ICES CM Documents;1985/G:18, Working paper, 1985) -
A preliminary report on the natural occurrence and ecology of Atlantic halibut (Hippoglossus hippoglossus) postlarvae and young immature stages
(ICES CM Documents;1987/F:38, Working paper, 1987)Surveys designed to capture Atlantic halibut, Hippoglossus hippoglossus, postlarvae and young immatures were carried out around Sørøya in North Norway in 1985, 1986 and 1987. Hydrographical conditions and the current ... -
Abundance estimation with echo integrator of arctic cod on the spawning grounds in Lofoten 1972
(ICES CM Documents;1972/F:37, Working paper, 1972) -
Abundance indices for the Arcto-Norwegian cod for the period 1979 -1986 based on investigations in June/July
(ICES CM Documents;1986/G:75, Working paper, 1986)Postlarvae Surveys have been carried out in the western part of the Barents Sea in June/July since 1977. The aim of the investigations has been to study the distribution pattern of fish larvae and their relation to the ... -
Acoustic estimates of spawning cod off Lofoten in 1986
(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 ... -
Application of a hydrodynamical model on transport of larvae of polar cod in the Northern Barents Sea.
(Fisken og havet, Research report, 1996)A nested version of the Princeton Ocean Model has been set up and evaluated for the Barents Sea. The model system consists of a model with 20 km resolution covering the whole Barents Sea together with a 4 km model for ... -
Assessment of potential oil pollution damages on fish resources. Some examples from the area outside mid-Norway
(ICES CM Documents;1987/E:13, Working paper, 1987)Detailed mapping of fish eggs and larvae both in space and time is essential knowledge when realistic assessments of oil pollution damages to the fish resources are established. The text explain with some examples our ... -
Diving observations on Barents Sea capelin at its spawning grounds off the coast of northern Norway
(ICES CM Documents;1971/H:25, Working paper, 1971) -
Effects of climate on marine ecosystem
(ICES CM Documents;2003/O:7, Working paper, 2003)The spawning areas of the Arcto-Norwegian cod are located along the coast of mid and northern Norway, particulary in the Lofoten where up to 70% of the spawning occurs from mid March to early May. The larvae are carried ... -
Environmental regulation of individual depth on a cod spawning ground
(Journal article; Peer reviewed, 2012-12-13)Fine-scale characteristics of spawning grounds may provide the opportunity for cod Gadus morhua L. to regulate their external environment by adjusting their depth. Ultrasonic telemetry was used to study how the environment ... -
Evaluering og opprydding av offisielle gytekart
(Rapport fra Havforskningen;12-2016, Research report, 2016-02)English: Institute of Marine Research (IMR) presents maps of fish distributions and spawning areas for a large number of fish stocks. The maps are used by different organizations and research programs, and are important ... -
Gransker gytefelt i fire Troms-fjorder [Torjan Bodvin kommenterer gytefelt]
(Others, 2010-02-03) -
Kartlegging av gytefelt
(Fisken og Havet;1-2013, Research report, 2013-01)Gytefelt er et nøkkelområde for reproduksjon hos fisk, og gytefelt for kysttorsk kartlegges gjennom ”Nasjonalt program for kartlegging av marine naturtyper”. Målsettingen med kartleggingen er å stedfeste og verdisette ... -
Kartlegging av gytefeltene for norsk-arktisk torsk i Nord-Norge og beregning av eggproduksjonen i årene 1983-1985
(Fisken og havet, Research report, 1987)The population fecundity of Northeast-arctic cod were computed for the years 1983, 1984 and 1985. Repeated and detailed egg surveys were conducted at the spawning sites in Lofoten and along the coast of Troms and ... -
Kartlegging av gyteplasser og sonderende oksygenmålinger i utvalgte fjorder i Risør, Tvedestrand og Lillesand kommune
(Fisken og havet, Research report, 2000)This pilot project was initiated to compile and map old fishermen's local information on spawning areas of cod and other commercial fishes along the Norwegian Skagerrak Coast. Interviews revealed that fishermen had good ... -
KunnskapsInnhenting Barentshavet–Lofoten–Vesterålen (KILO)
(Fisken og Havet;3-2013, Research report, 2013-03)I revidert nasjonalbudsjett 2011 fikk Havforskningsinstituttet i oppdrag å styrke kunnskapsgrunnlaget om marine økosystemer og ressurser i området Lofoten-Vesterålen. Prosjektet ble gjennomført i perioden fra november 2011 ... -
Kunnskapsstatus - plassering av oppdrettsanlegg og mulige interaksjoner med gytefelt og oppvekstområder for marin fisk og vandringsruter for laks
(Fisken og havet;6-2013, Research report, 2013-06-26)This report is to answer a request from the Directorate of Fisheries about possible effects of finfish aquaculture farms on recruitment of marine fish and migration of Atlantic salmon in the coastal waters. The Directorate, ... -
Metode for lokalisering og verdisetting av gyteplasser i fjorder med dype terskler, åpne havbukter og sund
(Fisken og havet;1-2010, Research report, 2009-12-31)Marine mapping of spawning areas for coastal cod have become increasingly important. Previous mapping have considered aggregations of mature cod. In this study we also evaluate distribution of cod eggs and their passive ... -
Når skreien gyt : When cod spawn
(Havforskningsnytt, Working paper, 2007)