A
Arill Engås
Researcher at University of Bergen
Publications - 53
Citations - 1485
Arill Engås is an academic researcher from University of Bergen. The author has contributed to research in topics: Haddock & Gadus. The author has an hindex of 20, co-authored 52 publications receiving 1404 citations.
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Effects of seismic shooting on local abundance and catch rates of cod ((Gadus morhua) and haddock )(Melanogrammus aeglefinus)
TL;DR: In this article, the authors investigated whether seismic exploration affected abundance or catch rates of cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) in the central Barents Sea 7 days before, 5 days during and 5 days after seismic shooting with air guns.
Journal ArticleDOI
Escape of fish under the fishing line of a Norwegian sampling trawl and its influence on survey results
Arill Engås,Olav Rune Godø +1 more
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How vertical fish distribution may affect survey results
TL;DR: The acoustic observations and the bottom-trawl catch rates were found to be correlated with diel cycles in observed light level and semi-diel cycles in current speed, which was consistent with the observation that these species were pelagic at night.
Journal ArticleDOI
The effect of different sweep lengths on the length composition of bottom-sampling trawl catches
Arill Engås,Olav Rune Godø +1 more
Journal ArticleDOI
Investigating density-dependent catchability in bottom-trawl surveys
TL;DR: In this article, the relationship between density of groundfish in the area swept by a trawl and the catchability was explored, and available data from trawl eYciency experiments carried out in both regions were analysed to look for density eVects on catchability.