Browsing Brage IMR by Author "Hagström, Olle"
Now showing items 1-6 of 6
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Measurements of the density coefficient and average target strength of herring using purse seine.
Hagström, Olle; Røttingen, Ingolf (ICES CM Documents;1982/B:33, Working paper, 1982)Integrator values were obtained from a school of herring. The fish density of this school was determined on the basis of a purse seine catch. From these values a conversion factor and average target strength for herring ... -
Report on herring acoustic surveys in the North Sea, Skagerrak and Kattegat during summer 1988
Kirkegaard, E.; Aglen, Asgeir; Bailey, R.S.; Forbes, Sinclair T.; Hagström, Olle (ICES CM Documents;1989/H:37, Working paper, 1989)Four herring acoustic surveys coordinated by ICES were carried out by Scottish, Norwegian, Swedish and Danish vessels during the period 24 June to 19 August 1988. The reports on the individual surveys, giving a short ... -
Report on the Herring Acoustic Surveys in the North Sea, Skagerrak and Kattegat during Summer 1989
Kirkegaard, E.; Aglen, Asgeir; Degnbol, P.; Hagström, Olle; Palmén, L-E.; Simmonds, E. John (ICES CM Documents;1990/H:24, Working paper, 1990)Four herring acoustic surveys coordinated by ICES were carried out by Scottish, Norwegian, Swedish and Danish research vessels during the period 28 June to 9 August 1989. The reports on the individual surveys, giving a ... -
Target strength measurements and c-values determinations of live Skagerrak herring and cod
Aglen, Asgeir; Hagström, Olle; Håkansson, Nils (ICES CM Documents;1981/B:12, Working paper, 1981) -
Toktrapport [23/2 - 14/3, 1983]
Hagström, Olle; Røttingen, Ingolf ([Toktrapport/Havforskningsinstituttet];, Working paper, 1983-09-27) -
Toktrapport [23/2 - 7/3, 1982]
Hagström, Olle; Røttingen, Ingolf ([Toktrapport/Havforskningsinstituttet];, Working paper, 1982-04-28)