Blar i Brage IMR på forfatter "Jakupsstovu, Stein Hjalti"
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Preliminary report of the Norwegian acoustic survey of blue whiting (March - April 1974)
Buzeta, Ramon; Jakupsstovu, Stein Hjalti; Midttun, Lars; Vestnes, Gudmund (ICES CM Documents;1974/B:13, Working paper, 1974) -
Quantitative distribution of blue whiting in relation to the hydrography in Faroese waters March-May 1979.
Jakupsstovu, Stein Hjalti; Hansen, Bogi; Thomsen, Bjarti (ICES CM Documents;1979/H:22, Working paper, 1979) -
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 forsøksfiske etter kolmule vest av De Britiske Øyer i februar-mai 1973
Jakupsstovu, Stein Hjalti; Nakken, Odd; Olsen, Hans Edvard; Strøm, Albert; Dahl, Vermund; Hamre, Johannes (Journal article, 1973)The experiments were carried out with four boats. Two of a different size working as one boat midwater trawlers and two as a twoboat midwater trawl unit. It is concluded that the spawning stock is dense enough for commercial ... -
Report on surveys of the distribution, abundance and migrations of the Norwegian spring-spawning herring, other pelagic fish and the environment of the Norwegian Sea and adjacent waters in late winter, spring and summer of 1999
Holst, Jens Christian; Blindheim, Johan; Couperus, Bram; Hammer, Cornelius; Jakupsstovu, Stein Hjalti; Melle, Webjørn; Mork, Kjell Arne; Stein, Manfred; Vilhjálmsson, Hjálmar; Götz, Sabine; Krysov, Alexander; Martin, Bettina; Zimmermann, Christopher (ICES CM Documents;1999/D:3, Working paper, 1999)Introduction: The Norwegian spring-spawning herring reoccupied the Norwegian Sea as its main feeding area in the early 1990s, after nearly 25 years of absence. The herring stock is now a typical straddling and highly ... -
A technique for sectioning blue whiting otoliths for age determination
Jakupsstovu, Stein Hjalti (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1974)The basic principle of the method is to embedd the otoliths in a two component glue whereafter it is sectioned with a jewelers saw. When using this method a trained technician can section and make age determinations of ... -
Toktrapport [10/6 - 4/7, 1975]
Jakupsstovu, Stein Hjalti ([Toktrapport/Havforskningsinstituttet];, Working paper, 1975-06-10) -
Toktrapport [20/4 - 15/5, 1975]
Midttun, Lars; Jakupsstovu, Stein Hjalti ([Toktrapport/Havforskningsinstituttet];, Working paper, 1975-04-20) -
Undersøkelser av kolmule og hydrografi i Norskehavet 12. juli - 11. august 1976
Blindheim, Johan; Jakupsstovu, Stein Hjalti (Fisken og havet, Research report, 1976)The cruise was carried out by R.V. "G.O.Sars" and mainly confined to the area of the Polar Front. The front was localized by working a grid of CTD stations. The blue whiting stock was found to be dispersed over wide ... -
Undersøkelser av lodde (Mallotus vollosus) og sil (Ammodytes sp.) ved Vest-Grønland i juni - juli 1974
Jakupsstovu, Stein Hjalti; Røttingen, Ingolf (Fisken og havet, Research report, 1975)The investigations was carried out with M/S «Havdrøn» as an acoustic survey of the banks and a few selected fjords from Arsukfjord (N 61°1O´, W 78°30´) to Umanakfjord (N 71°00´, W 52°OO´). The capelin stock had recently ...