Skip to main content
Publications | Persons | Institutes | Projects
[ report an error in this record ]basket (0): add | show Print this page

Greenland halibut observed by video in front of survey trawl: behaviour, escapement, and spatial pattern
Albert, O.T.; Harbitz, A.; Høines, Å.S. (2003). Greenland halibut observed by video in front of survey trawl: behaviour, escapement, and spatial pattern. J. Sea Res. 50(2-3): 117-127. https://dx.doi.org/10.1016/s1385-1101(03)00063-7
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101; e-ISSN 1873-1414, more
Also appears in:
Geffen, A.J.; Nash, R.D.M.; van der Veer, H.W. (Ed.) (2003). Proceedings of the Fifth International Symposium on Flatfish Ecology, Part I. Port Erin, Isle of Man, 3-7 November 2002. Journal of Sea Research, 50(2-3). Elsevier: Amsterdam. 87-270 pp., more
Peer reviewed article  

Available in  Authors 

Keywords
    Catchability
    Catching methods > Net fishing > Trawling
    Data > Fishery data > Catch/effort
    Escapement
    Reinhardtius hippoglossoides (Walbaum, 1792) [WoRMS]
    ANE, Norway [Marine Regions]
    Marine/Coastal
Author keywords
    Greenland halibut; trawl video; behaviour; escapement; catchability

Authors  Top 
  • Albert, O.T.
  • Harbitz, A.
  • Høines, Å.S.

Abstract
    Video recordings of Greenland halibut (Reinhardtius hippoglossoides) were made at eight trawl stations in Svalbard waters in August 2002. The recordings were made down to 600 m depth using artificial light. A method for calculating actual fish length from the video image was established and the recordings were analysed with respect to length-dependent behaviour, escapement and spatial pattern. All Greenland halibut observed were either lying on the bottom or swimming in a horizontal position close to the bottom, and there was no tendency to schooling. Individual fish reacted in an ordered way to the approaching trawl and were herded along the ends of the ground-gear. Escapement under the ground-gear was higher for smaller fish, while some larger individuals were apparently able to escape the trawl ahead of the observed region.

All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Authors