Browsing Brage IMR by Author "Aksland, Magnar"

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Acoustic abundance estimation of the spawning component of the local herring stock in Lindaaspollene, western Norway

Aksland, Magnar (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1983)

During 1978-1980 yearly acoustic surveys were carried out in the spawning area of a small herring stock in the semi-enclosed bay area Lindaaspollene, approximately 30 km north of Bergen, using the Simrad EY-M echo sounder ...
Estimators in acoustic surveying of fish populations

Aksland, Magnar (ICES CM Documents;1976/B:36, Working paper, 1976)
Loddeundersøkelser i Barentshavet i juni 1975

Buzeta, Ramon; Hamre, Johannes; Røttingen, Ingolf; Aksland, Magnar (Fisken og havet, Research report, 1976)

During June 1975 observations were made on the distribution, abundance and year-class composition of capelin in the Barents Sea. The distribution and abundance of the capelin stock were found to be similar compared with ...
Observasjoner av marin fauna fra fjernstyrt undervannsfarkost

Aksland, Magnar; Alvsvåg, John (Fisken og havet, Research report, 1991)

A cable-operated ROV, equipped with a CIT super sensitive videocamera and a 330 kHz scanning sonar, was used in trials to observe marine fauna during three periodes in 1988 (spring, autumn and winter). The vehicle was ...