• Botnfiskundersøkingar i Barentshavet (redusert område) vinteren 1998 

      Mehl, Sigbjørn (Fisken og havet, Research report, 1998)
      A combined acoustic and bottom trawl survey to obtain indices of abundance and estimates of length and weight at age has been carried out each winter (4-6 weeks in January- March) since 1981 in the Barents Sea. The target ...
    • Botnfiskundersøkingar i Barentshavet vinteren 1996 

      Mehl, Sigbjørn; Nakken, Odd (Fisken og havet, Research report, 1996)
      A combined acoustic and bottom trawl survey to obtain indices of abundance and estimates of length and weight at age has been carried out each winter (4-6 weeks in January- March) since 198 1 in the Barents Sea. The ...
    • Brisling- og sildeundersøkelser i fjordene : 1. november-11. desember 1996 

      Torstensen, Else; Røttingen, Jostein; Jørstad, Knut Eirik (Fisken og havet, Research report, 1997)
      Rapporten beskriver resultatene fra akustisk kartlegging og mengdemåling av brisling og sild i utvalgte fjorder fra Svenskegrensen til Finnmark i november - desember 1996. Den totale mengden av O-gruppe brisling var mindre ...
    • Bunnfiskundersøkelser i Barentshavet sommeren 1995 

      Aglen, Asgeir; Nakken, Odd (Fisken og havet, Research report, 1996)
      The report presents the results from the first in a series of surveys which the Institute of Marine Research (IMR) has inititated in order to monitor the stocks of demersal fish in the Barents Sea area. The survey was ...
    • Bunnfiskundersøkelser i Barentshavet vinteren 1994 

      Mehl, Sigbjørn; Nakken, Odd (Fisken og havet, Research report, 1994)
      A combined acoustic and bottom trawl survey aiming at obtaining indices of abundance and estimates of length and weight at age has been carried out each winter since 1981 in the Barents Sea. The target species are cod ...
    • Bunnfiskundersøkelser i Barentshavet vinteren 1995 

      Korsbrekke, Knut; Mehl, Sigbjørn; Nakken, Odd; Sunnanå, Knut (Fisken og havet, Research report, 1995)
      Et kombinert akustikk- og bunntråltokt med sikte på å framskaffe mål for tallrikhet og utbredelse hos torsk, hyse, blåkveite og uerartene, samt lengde og vekt ved alder for torsk og hyse, er gjennomført siden 1981. ...
    • Distribution and abundance of norwegian spring spawning herring during the spawning season in 1998 

      Slotte, Aril; Dommasnes, Are (Fisken og havet, Research report, 1998)
      During the period 17.02. -23.03.98 the mature and spawning herring were distributed along the Norwegian coast from 57°N - 69°N. Between 61°N and 69°N the biomass and abundance estimates were 5,3 million tonnes and 22,5 ...
    • Distribution and abundance of Norwegian spring spawning herring during the spawning season in 1999 

      Slotte, Aril; Dommasnes, Are (Fisken og havet, Research report, 1999)
      During the period 15.02-21.03.99 the maturing and spawning herring (Clupea havengus L.) were distributed along the Norwegian coast from 57°N to 69°N. Between 61°N and 69°N the biomass and abundance estimates were 7.1 ...
    • Distribution and abundance of Norwegian spring spawning herring during the spawning season in 2000 

      Slotte, Aril; Dommasnes, Are (Fisken og havet, Research report, 2000)
      During the period 15.02-26.03.2000 the maturing and spawning herring (Clupea harengus L.) were distributed along the Norwegian coast from 57°N to 69°N. Between 61°N and 69°N the biomass and abundance estimates were 4.7 ...
    • Fiskeressurser i ytre Oslofjord sammenlignet med resten av den norske Skagerrakkysten 

      Gjøsæter, Jakob; Danielssen, Didrik S. (Fisken og havet, Research report, 2004)
      The stock density of adult cod and other demersal fishes in the Outer Oslofjord is lower than on the rest of the Skagerrak coast, and also lower in this area. The fry production seems not to be reduced, but the fish disappear ...
    • Kartlegging av førekomsten av hummar i Møre og Romsdal – hausten 2008 

      Roald, Sverre Ola; Blom, Geir; Lorgen, Karl Anton (Fisken og havet;5-2010, Research report, 2010-11-15)
      In this study of the lobster population in the area of Møre and Romsdal during the lobster catch-season of 2008 (October – December), 5 552 lobsters were caught during 29 817 pot days. The catches were registered in three ...
    • Kongekrabbe, Paralithodes Camtschatica rapport frå forsøksfisket hausten 1997 - vinteren 1998 

      Hufthammer, Marianne Karin (Fisken og havet, Research report, 1998)
      Forsøksfisket etter kongekrabbe i Finnmark, som ble utført av seks fartøyer i perioden oktober -97 til januar -98, ga data for utbredelse, størrelsesfordeling, kjønnsfordeling, fangstrater og bestandsvurdering av ...
    • Korreksjon av tallrikhetsindekser for 0-gruppefisk i Barentshavet 

      Nakken, Odd; Raknes, Askjell (Fisken og havet, Research report, 1996)
      Hvert år siden 1965 har de "Internasjonale O-gruppeundersøkelsene i Barentshavet og tilstøtende områder" frembrakt tallrikhetsindekser for O-gruppe fisk (årets yngel) av en rekke arter. I løpet av de 30 år toktet er blitt ...
    • Ling, blue ling and tusk of the North-East Atlantic 

      Bergstad, Odd Aksel; Hareide, Nils Roar (Fisken og havet, Research report, 1996)
      The longline fisheries for ling (Molva molva) and tusk (Brosme brosme) have long traditions in Norway. Blue ling (Molva dipterygia) was always a by-catch in Norwegian slope waters but about 15 years ago this species ...
    • Lodda i Barentshavet vinteren 1994 

      Gjøsæter, Harald (Fisken og havet, Research report, 1994)
      I perioden 20. januar til 6. mars 1994 registrerte FF "G.O. Sars" og FF "Johan Hjort" lodde i samband med ungtorskundersøkingane i Barentshavet. Heile det sørlege Barentshavet vart dekka med standard akustisk metodikk. ...
    • Mengdeindekser for 19 "ikke-kommersielle" arter i Barentshavet basert på bunnfisktokt - "Vintertoktet" - i perioden 1981-2003. 

      Wenneck, Thomas de Lange (Fisken og havet, Research report, 2005)
      The aim of this report is to present abundance estimates of nineteen fishes/fish-groups in the Barents Sea that have small or no commercial interest. Such non-commercial species may be used as ecosystem characters. NORSK ...
    • Miljøinformasjon i bestandsvurdering og rådgivning 

      Huse, Geir; Bogstad, Bjarte; Hauge, Kjellrun Hiis; Korsbrekke, Knut; Loeng, Harald; Michalsen, Kathrine; Skagen, Dankert W.; Stiansen, Jan Erik; Sundby, Svein; Svendsen, Einar; Tjelmeland, Sigurd; Toresen, Reidar (Fisken og havet, Research report, 2007)
      This report summarizes the work of an internal working group appointed by the Institute of Marine Research's management group to evaluate inclusion of environmental parameters in stock evaluation. The report discusses ...
    • Oppdatert kunnskapsstatus om kystnær torsk i Sør Norge 

      Aglen, Asgeir; Nedreaas, Kjell; Moland, Even; Knutsen, Halvor; Kleiven, Alf Ring; Johannessen, Tore; Wehde, Henning; Jørgensen, Terje; Espeland, Sigurd Heiberg; Olsen, Esben Moland; Knutsen, Jan Atle (Fisken og Havet;4-2016, Research report, 2016-05)
      English: In a report from 2008 an assessment of coastal cod in southern Norway, from the Swedish border to Stad, was presented, together with suggestions to management initiatives. This report shortly summarize the ...
    • Power-budget and echo-integrator equations for fish abundance estimation 

      Lunde, Per; Pedersen, Audun O.; Korneliussen, Rolf J.; Tichy, Frank E.; Nes, Håvard (Fisken og Havet;10-2013, Research report, 2013-12-31)
      For abundance estimation and species identification on fisheries acoustic surveys, control with temperature and finite amplitude effects in the sea demands the calibration factor C of the conventional echo-integrator ...
    • Report on demersal fish surveys in the Barents Sea 

      Aglen, Asgeir (Fisken og havet, Research report, 1999)
      A combined acoustic and bottom trawl survey focused on cod was made with four vessels in the Barents Sea and West-Spitsbergen area during summer 1996 and 1997. Abundance estimates of cod, Greenland halibut, haddock and ...