Browsing Brage IMR by Author "Aglen, Asgeir"
Now showing items 81-100 of 124
-
Preliminary results from the winter 2000 demersal fish survey in the Barents Sea
Aglen, Asgeir (Working paper, 2000) -
Presisjon ved akustisk mengdeberegning av fisk
Aglen, Asgeir (Master thesis, 1979) -
Quantifying the amount of fish unavailable to a bottom trawl by use of an upward looking transducer
Michalsen, Kathrine; Aglen, Asgeir; Somerton, David; Svellingen, Ingvald; Øvredal, Jan Tore (ICES CM documents, Working paper, 1999)When surveying demersal fish with a wide and variable vertical distribution, it is desirable to combine information from a bottom trawl survey with the information from a hydroacoustic survey into an absolute abundance ... -
“Real-time” genetic monitoring of a commercial fishery on the doorstep of an MPA reveals unique insights into the interaction between coastal and migratory forms of the Atlantic cod
Johansen, Torild; Westgaard, Jon-Ivar; Seliussen, Bjørghild Breistein; Nedreaas, Kjell Harald; Dahle, Geir; Glover, Kevin; Kvalsund, Roger; Aglen, Asgeir (Journal article; Peer reviewed, 2017)With the decline of many of the world’s fisheries, increased regulation, including marine protected areas (MPA), forms an increasingly important role in promoting sustainable resource use. Here, we present a novel “real-time” ... -
A regression model for recruitment of 3-year-old NEA cod based on capelin biomass, survey index and climate
Stiansen, Jan Erik; Aglen, Asgeir; Bogstad, Bjarte; Mehl, Sigbjørn; Nakken, Odd (Working paper, 2003) -
Relationships between the geometric dimensions and biomass of schools
Misund, Ole Arve; Aglen, Asgeir; Beltestad, Arvid K.; Dalen, John (ICES CM Documents;1990/B:41, Working paper, 1990)Acoustic measurements of the geometric dimensions and packing density of herring, sprat and saithe schools have been conducted by multi-beam sonars and echo integrator systems. Relationships between the reflected echo ... -
Report of the 1991 ICES coordinated acoustic survey of herring stocks in ICES divisions VIa IVa and IVb
Simmonds, E. John; Reid, David; Aglen, Asgeir; Skagen, Dankert W.; Corten, A. (ICES CM Documents;1992/H:35, Working paper, 1992) -
Report on demersal fish surveys in the Barents Sea
Aglen, Asgeir (Fisken og havet, Research report, 1999)A combined acoustic and bottom trawl survey focused on cod was made with four vessels in the Barents Sea and West-Spitsbergen area during summer 1996 and 1997. Abundance estimates of cod, Greenland halibut, haddock and ... -
Report on herring acoustic surveys in northern and central North Sea during summer 1987
Aglen, Asgeir; Simmonds, E. John (ICES CM Documents;1988/H:37, Working paper, 1988)Acoustic surveys covering the Northern and Central North Sea were carried out by Scottish and Norwegian vessels during the period 24 June to 11 August. The estimated biomass of mature herring was 817 000 tonnes. For ... -
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 1982 herring acoustic survey in the northwestern North Sea
Aglen, Asgeir; Simmonds, E. John; Bailey, R.S. (ICES CM Documents;1982/H:47, Working paper, 1982) -
Report on the 1983 Herring Acoustic Survey in the northwestern North Sea
Bailey, R.S.; Aglen, Asgeir; Corten, A.; Simmonds, E. John (ICES CM Documents;1983/H:52, Working paper, 1983) -
Report on the 1984 herring acoustic survey in the northern North Sea
Simmonds, E. John; Bailey, R.S.; Aglen, Asgeir; Lahn-Johannessen, John; Smedstad, Odd M.; Van de Kamp, G. (ICES CM Documents;1985/H:34, Working paper, 1985) -
Report on the 1985 ICES-coordinated herring acoustic survey in the northern North Sea
Simmonds, E. John; Bailey, R.S.; McKay, D.W.; Aglen, Asgeir; Iversen, Svein A. (ICES CM Documents;1986/H:16, Working paper, 1986) -
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 ... -
Report on the ICES-coordinated acoustic survey of herring stocks in 1980.
Bailey, R.S.; Aglen, Asgeir; Corten, A.; Diner, Noel; Simmonds, E. John (ICES CM Documents;1980/H:24, Working paper, 1980) -
Report on the ICES-coordinated acoustic survey of herring stocks in 1981.
Aglen, Asgeir; Østvedt, Ole Johan (ICES CM Documents;1981/H:50, Working paper, 1981) -
Ressursoversikt 1996
Aglen, Asgeir (Fisken og havet, særnummer;1-1996, Research report, 1996-03) -
Retrospective review of management advice for Northeast Arctic cod [presentation]
Aglen, Asgeir; Nakken, Odd; Yaragina, Natalia A.; Sokolov, Konstantin (IMR/PINRO Joint Report Series;2/2005, Conference object, 2005) -
Retrospective review of management advice for Northeast Arctic cod [presentation]
Aglen, Asgeir; Nakken, Odd; Yaragina, Natalia A.; Sokolov, Konstantin (IMR/PINRO Joint Report Series;2/2005, Conference object, 2005)