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Target tracking with a split-beam echo sounder
(Conference object, 1990)The split-beam technique makes it possible to determine the precise location of a fish in the acoustic beam. This is a very useful feature, as it permits behavioural observations to be conducted without disturbing the fish. ... -
Technological aspects of the modern Norwegian purse seine fisheries
(Technical Conference on Fish Finding, Purse Seining and Aimed Trawling, Reykjavik (Iceland), 24-30 May 1970., Conference object, 1970) -
The role of cod in the decline in arctic fishes in the Barents sea
(Lecture, 2018) -
The use of acoustic and bottom trawl surveys in the assessment of north-east arctic cod and haddock stocks [fra "a workshop on comparative biology, assessment and management of gadoids from the North Pacific and Atlantic oceans" 24-28 June, 1985 Seattle, Washington]
(Proceedings: Part II, Conference object, 1986)In recent years survey results constitute the most important part of the material on which the stock assessments of North-east Arctic cod and haddock are based. Both acoustic surveys and bottom trawl surveys have been ... -
Viral Haemorrhagic Septicemia (VHS) in wild and farmed fish in Norwegian waters
(Conference object, 2011-05)Viral Haemorrhagic septicaemia viruses (VHSV) are isolated from 82 different fish species and are globally spread in freshwater as well as marine environments. The virus can cause disease outbreaks both in wild and ...