Blar i Brage IMR på forfatter "Tjelmeland, Sigurd"
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The killing of the north-east Atlantic plankton feeders: Man the murderer or accessory to the crime?
Glukov, A.; Hamre, Johannes; Tjelmeland, Sigurd (ICES CM Documents;1988/H:59, Working paper, 1988) -
The predation of cod on capelin 1983 -1988
Mehl, Sigbjørn; Sunnanå, Knut; Tjelmeland, Sigurd (ICES CM Documents;1988/G:55, Working paper, 1988) -
Toktrapport [10/9 - 5/10 & 1/10, 1980]
Tjelmeland, Sigurd; Nakken, Odd ([Toktrapport/Havforskningsinstituttet];, Working paper, 1980-10-24) -
Toktrapport [11/10 - 20/10, 1985]
Nakken, Odd; Tjelmeland, Sigurd ([Toktrapport/Havforskningsinstituttet];, Working paper, 1985) -
Toktrapport [19/5 - 22/6, 1984]
Tjelmeland, Sigurd; Toresen, Reidar ([Toktrapport/Havforskningsinstituttet];, Working paper, 1985-01-24) -
Toktrapport [26/4 - 13/5, 1982]
Tjelmeland, Sigurd ([Toktrapport/Havforskningsinstituttet];, Working paper, 1982-11-02) -
Toktrapport [7/9 - 5/10, 8/9 - 5/10, 1981]
Røttingen, Ingolf; Tjelmeland, Sigurd ([Toktrapport/Havforskningsinstituttet];, Working paper, 1982-02-09) -
Towards an MSY-based management of Barents Sea capelin in an ecosystem context
Røttingen, Ingolf; Tjelmeland, Sigurd (ICES CM documents;2009/R:07, Working paper, 2009) -
The use of Medium-Term Forecasts in advice and management decisions for the stock of Norwegian spring spawning herring (Clupea harengus L.)
Bogstad, Bjarte; Røttingen, Ingolf; Sandberg, Per; Tjelmeland, Sigurd (ICES CM documents, Working paper, 2000)Medium-term simulations on the stock development of Norwegian spring-spawning herring (Clupea harengus L.) have been carried out since 1994 by the ICES «Atlanto-Scandian Herring and Capelin Working Group», in 1996 renamed ... -
Why did the three capelin stock collapses in the Barents Sea during the three last decades affect the ecosystem differently? [presentation]
Gjøsæter, Harald; Bogstad, Bjarte; Tjelmeland, Sigurd (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Why did the three capelin stock collapses in the Barents Sea during the three last decades affect the ecosystem differently? [presentation]
Gjøsæter, Harald; Bogstad, Bjarte; Tjelmeland, Sigurd (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Why did three capelin stock collapses in the Barents Sea affect the ecosystem differently?
Gjøsæter, Harald; Bogstad, Bjarte; Tjelmeland, Sigurd (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Why did three capelin stock collapses in the Barents Sea affect the ecosystem differently?
Gjøsæter, Harald; Bogstad, Bjarte; Tjelmeland, Sigurd (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Økologiske undersøkelser nær iskanten i Barentshavet somrene 1979 og 1980
Ellertsen, Bjørnar; Hassel, Arne; Loeng, Harald; Rey, Francisco; Tjelmeland, Sigurd; Slagstad, Dag (Fisken og havet, Research report, 1982)During the summers of l979 and 1980, ecological investigations were carried out in the marginal ice zone in the Barents Sea. In the investigation an attempt is made to follow the development of the production processes, ...