Browsing Published by IMR by Author "Nakken, Odd"

Now showing items 21-40 of 64

    • Kolmuleundersøkelser i Norskehavet i april - mai 1971 

      Jakupsstovu, Stein Hjalti; Nakken, Odd (Fisken og havet;1971 - Nr.3, Research report, 1971)
      On a cruise with R.V."G.O.Sars" from 24 April to 9 May dense concentrations of blue whiting were found between the Faroes and Shetland and in the Norwegian Deep east of Tampen. Further north the fish were scattered. A ...

    • Kolmuleundersøkelser i Norskehavet i april-mai 1971 

      Jakupsstovu, Stein Hjalti; Nakken, Odd (Fisken og havet, Research report, 1972)
      On a cruise with R/V "G. O. Sars" from Z4 April to 9 May dense concentrations of blue whiting were found between the Faroes and Shetland and in the Norwegian Deep east of Tampen. Further north the fish were scattered. A ...

    • 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 ...

    • Loddas utbredelse i Barentshavet i forhold til temperaturfeltet i perioden 1974-1982 

      Loeng, Harald; Nakken, Odd; Raknes, Askjell (Fisken og havet, Research report, 1983)
      The variations in the distribution and abundance of the different age groups of capelin in the Barents Sea were studied in relation to temperature variations in the period 1974-1982. The data were collected on yearly ...

    • Lodde- og polartorskundersøkelser i Barentshavet august - september 1970 

      Blindheim, Johan; Dragesund, Olav; Hognestad, Per T.; Midttun, Lars; Nakken, Odd (Fisken og havet;1971 - Nr.3, Research report, 1971)
      In the period 26 August to 11 September a joint Soviet - Norwegian 0-group fish survey was carried out in the Barents Sea (Anon. 1970). During this survey observations were also made on the distribution and abundance of ...

    • Lodde- og polartorskundersøkelser i Barentshavet i august - september 1971 

      Dragesund, Olav; Nakken, Odd (Fisken og havet, Research report, 1972)
      During August—September 1971 two subsequent series of observations were made on distribution and abundance of maturing capelin and Polar cod in the Barents Sea. Abundance estimates for the two species indicated by echo ...

    • Lodde- og polartorskundersøkelser i Barentshavet i august-september 1971 

      Dragesund, Olav; Nakken, Odd (Fisken og havet, Research report, 1972)
      During August-September 1971 two subsequent series of observations were made on distribution and abundance of maturing capelin and Polar cod in the Barents Sea. Abundance estimates for the two species indicated by echo ...

    • Lodde- og polartorskundersøkelser i Barentshavet i september - oktober 1973 

      Dommasnes, Are; Nakken, Odd; Sætre, Roald; Frøiland, Øystein (Fisken og havet, Research report, 1974)
      During September-October 1973 observations were made on distribution and abundance of capelin and polar cod in the Barents Sea. The major part of the capelin stock was found north of 78º N, and the distribution pattern ...

    • Loddeundersøkelser i Barentshavet i juni og juli 1977 

      Dommasnes, Are; Monstad, Terje; Nakken, Odd (Fisken og havet, Research report, 1978)
      During the period 4 June - 30 May a survey was made on the Barents Sea capelin stock with observations on its distribution, abundance and age composition. A much lower quantity of capelin was recorded on this cruise than ...

    • Loddeundersøkelser i Barentshavet i november - desember 1971 

      Jakupsstovu, Stein Hjalti; Midttun, Lars; Monstad, Terje; Nakken, Odd; Vestnes, Gudmund (Fisken og havet, Research report, 1972)
      Relative echo abundance of capelin is given. Mainly young immature capelin was found in the area Thompson Ground — southern part of the Sentral Bank. The population in the area between the Sentral Bank and the Skolpen Bank ...

    • Loddeundersøkelser i Barentshavet i november- desember 1971 

      Jakupsstovu, Stein Hjalti; Midttun, Lars; Monstad, Terje; Nakken, Odd; Vestnes, Gudmund (Fisken og havet, Research report, 1972)
      Relative echo abundance of capelin is given. Mainly young immature capelin was found in the area Thompson Ground - southern part of the Sentral Bank. The population in the area between the Sentral Bank and the Skolpen ...

    • Loddeundersøkelser i Barentshavet i september-oktober 1974 

      Buzeta, Ramon; Dalen, John; Dommasnes, Are; Hamre, Johannes; Nakken, Odd (Fisken og havet, Research report, 1975)
      During September-October 1974 observations were made on the distribution, abundance and year-class composition of capelin in the Barents Sea. Specifically it was of great importance to get an abundance estimate of the 1975 ...

    • Loddeundersøkelser i Barentshavet i september-oktober 1975 

      Dommasnes, Are; Nakken, Odd; Røttingen, Ingolf (Fisken og havet, Research report, 1976)
      During September-October 1975 observations were made on the distribution, abundance and age composition of capelin in the Barents Sea. The geographical distribution was similar to the distribution in autumn 1974 with ...

    • Loddeundersøkelser med F/F «G. O. Sars» i Barentshavet i februar-mars 1973 

      Jakobsen, Tore; Nakken, Odd (Fisken og havet, Research report, 1973)
      During the period 16 February-3 March 1973 R. V. "G. O. Sars" carried out a survey of spawning and prespawning capelin in the Barents Sea. The investigations were a continuation of those reported by Monstad and Midttun ...

    • Mengdemåling av sei, Finnmark - Møre, hausten 1996 

      Korsbrekke, Knut; Nakken, Odd; Nedreaas, Kjell Harald (Fisken og havet, Research report, 1996)
      Eit akustisk tokt med sikte på å kartleggle geografisk utbreiing og framskaffe mål for tal og vekstdata hos sei og annan botnfisk har vore gjennomført sidan 1985 på kystbankane. Seien er vanlegvis ikkje rekruttert til ...

    • On acoustic identification, sizing and abundance estimation of fish 

      Midttun, Lars; Nakken, Odd (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1971)
      A method using the fish angle (i.e. the change in target strength with fish aspect) for identification purposes is described. Significant differences in fish angle between cod and coalfish have been observed at sea. The ...

    • On the hydrography of the shelf waters off Moere and Helgeland 

      Nakken, Odd; Ljøen, Rikard (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)

    • On the hydrography of the shelf waters off Møre and Helgeland 

      Ljøen, Rikard; Nakken, Odd (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)
      1. The distribution of temperatures and salinities off the west coast of Norway have been studied, based on observations from cruises in February 1956 and March 1968. 2. The main flow of Coast water follows the edge of ...

    • Rapport om forsøksfiske etter kolmule i april-mai 1972 

      Hamre, Johannes; Jakupsstovu, Stein Hjalti; Nakken, Odd (Fisken og havet;1972 - Nr. 3, Journal article, 1972)
      Fishing experiments for blue whiting by using two boat midwater trawls were carried out during April and May 1972. The catches amounted to more than 30 tons per hour trawling, and the most serious problem was to get on ...

    • Rapport om tokt med F/F "Johan Hjort" til Vest Grønland i april/mai 1964 

      Bratberg, Erling; Nakken, Odd (Fisken og havet;1964 - Nr. 7, Journal article, 1964)