Blar i Fisken og havet (1958- ) på forfatter "Midttun, Lars"

Viser treff 1-17 av 17

    • Bunnfiskundersøkelser i Barentshavet vinteren 1977 

      Dalen, John; Midttun, Lars; Rørvik, Carl Jakob; Smedstad, Odd M. (Fisken og havet, Research report, 1977)
      This report describes the results from a survey on demersal fish in the Barents Sea from 16 January to 4 February 1977. The work was carried out by two vessels, R.V. "Johan Hjort" which covered the area from a line along ...

    • Current measurements between the central and great banks in the Barents Sea 

      Loeng, Harald; Midttun, Lars; Sagen, Helge (Fisken og havet, Research report, 1994)
      The report sumarizes the results from current measurements carried out between the Central and Great Banks in the Barents Sea. The moorings were deployed in mid September 1991 and were recovered more than one year later. ...

    • En korreksjon til ekkoloddets dybdeangivelse 

      Midttun, Lars (Fisken og havet;1964 - Nr. 3, Research report, 1964)
      An echo sounder is adjusted for constant sound velocity, usually 1500 m/sec. Since the velocity of sound in the sea is varying with temperature, salinity and depth, a correction is necessary if accurate soundings are ...

    • Kolmuleundersøkelser med F/F "G. O. SARS" til Norskehavet 12. - 29. juni 1970 

      Blindheim, Johan; Jakupsstovu, Stein Hjalti; Midttun, Lars; Vestnes, Gudmund (Fisken og havet;1971 - Nr. 1, Research report, 1971)

    • Kolmuleundersøkelser nordvest av De britiske øyer i mai 1975 og mars - april 1976 

      Jakupsstovu, Stein Hjalti; Midttun, Lars (Fisken og havet, Research report, 1977)
      The distribution and abundance of blue whiting were observed by direct hydroacoustic methods on the R.V. "G.O. Sars". In 1975 the area between St. Kilda and the Faroes was investigated. The best concentrations were ...

    • Kolmuleundersøkelser nordvest for De britiske øyer i februar - mars 1972 

      Jakupsstovu, Stein Hjalti; Midttun, Lars (Fisken og havet;1972 - Nr. 2, Research report, 1972)
      On a cruise with the R.V. «G. 0. Sars» from 28 February to 26 March 1972 the distribution and abundance of blue whiting northeast of the British Isles were observed by direct hydroacoustic methods. The stock size was ...

    • Kolmuleundersøkelser nordvest for De britiske øyer i mars - april 1973 

      Jakupsstovu, Stein Hjalti; Olsen, Kjell; Midttun, Lars (Fisken og havet, Research report, 1973)
      On a cruise with R. V. «G. O. Sars» from 12 March to 12 April 1973 the distribution and abundance of blue whiting northwest of the British Isles were again observed by direct hydroacoustic methods. It is concluded that ...

    • 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 ...

    • 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 vinteren 1978 

      Dommasnes, Are; Midttun, Lars; Monstad, Terje (Fisken og havet, Research report, 1979)
      During the period from 8 January to 4 May four vessels participated in the capelin investigations and the monitoring of the spawning migration. The spawning stock of capelin reached the Norwegian coast about 16 March ...

    • Loddeundersøkelser med F/F "Johan Hjort" i Barentshavet i januar - februar 1973 

      Monstad, Terje; Midttun, Lars (Fisken og havet, Research report, 1973)
      In January and February prespawning capelin were distributed east of 35° E between the Skolpen Bank and the Central Bank. It was found in water with temperature from +0.5° to 3.5° C and was in mixture with immature capelin. ...

    • Rapporter over tokter og undersøkelser trykt i Fiskets Gang i 1960 

      Devold, Finn; Hognestad, Per T.; Aasen, Olav; Revheim, Arne; Ellingsen, Trygve; Gundersen, Kaare R.; Østvedt, Ole Johan; Eggvin, Jens; Wiborg, Kristian Fredrik; Midttun, Lars; Olsen, Steinar (Fisken og havet;1960 - Nr. 4, Research report, 1960)
      Forside: Fisken og havet ; rapporter og meldinger fra fiskeridirektoratets havforskningsinstitutt. Inneholder: 1.) Rapport over F/F "Johan Hjort"'s tokt til Norvest-Afrika. 2.) Småsildundersøkelser i Nord-Norge med F/F ...

    • Toktrapporter trykt i "Fiskets Gang" i 1961 

      Dragesund, Olav; Aasen, Olav; Revheim, Arne; Devold, Finn; Olsen, Steinar; Palmork, Karsten H.; Vestnes, Gudmund; Østvedt, Ole Johan; Lie, Ulf; Midttun, Lars; Bratberg, Erling (Fisken og havet;1961 - Nr. 6, Research report, 1961)
      Forside: Fisken og havet ; rapporter og meldinger fra fiskeridirektoratets havforskningsinstitutt. Inneholder: 1.) Småsild- og feitsildtokt med f/f "G. O. Sars" i tiden 28. september til 29. oktober 1960. 2.) Håbrand-, ...

    • Torskeundersøkelsene i Lofoten og i Barentshavet 1960 

      Hylen, Arvid; Midttun, Lars; Sætersdal, Gunnar (Fisken og havet;1961 - Nr. 2, Research report, 1961)

    • Undersøkelser av fiskeforekomster i Barentshavet og ved Spitsbergen i august - september 1972 

      Gjøsæter, Jakob; Midttun, Lars; Monstad, Terje; Nakken, Odd; Smedstad, Odd M.; Sætre, Roald; Ulltang, Øyvind (Fisken og havet;1972 - Nr. 3, Research report, 1972)
      During August—September 1972 observations were made on distribution and abundance of fish in the Barents Sea and off Spitsbergen. The observations of 0-group fish are published in separate report. The amount of capelin ...

    • Variasjoner i utbredelsen av torsk i Barentshavet i perioden 1977-1981 

      Midttun, Lars; Nakken, Odd; Raknes, Askjell (Fisken og havet, Research report, 1981)
      The distribution and abundance of young cod and haddock in the Barents Sea have been investigated during cruises in February- March each year since 1975. These investigations have revealed variations in the geographical ...