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Distribution and abundance of juvenile northeast Arctic Greenland halibut (Reinhardtius hippoglossoides) in relation to survey coverage and the physical environment
Albert, O.H.; Nilssen, E.M.; Nedreaas, K.H.; Gundersen, A.C. (2001). Distribution and abundance of juvenile northeast Arctic Greenland halibut (Reinhardtius hippoglossoides) in relation to survey coverage and the physical environment, in: Daan, N. et al. Recruitment dynamics of exploited marine populations: physical-biological interactions. Part 2: Proceedings of an ICES Symposium held in Baltimore, Maryland, USA 22-24 September 1997. ICES Marine Science Symposia, 214: pp. 1053-1062
In: Daan, N. et al. (2001). Recruitment dynamics of exploited marine populations: physical-biological interactions. Part 2: Proceedings of an ICES Symposium held in Baltimore, Maryland, USA 22-24 September 1997. ICES Marine Science Symposia, 214. Academic Press: London. ISBN 1054. 935-1114 pp., more
In: ICES Marine Science Symposia. ICES/Reitzel: Copenhagen. ISSN 0906-060X, more

Also published as
  • Albert, O.H.; Nilssen, E.M.; Nedreaas, K.H.; Gundersen, A.C. (2001). Distribution and abundance of juvenile northeast Arctic Greenland halibut (Reinhardtius hippoglossoides) in relation to survey coverage and the physical environment. ICES J. Mar. Sci./J. Cons. int. Explor. Mer 58(5): 1053-1062, more

Available in Authors 
Document type: Conference

Keywords
    Distribution; Greenland halibut; Marine fish; Recruitment; Reinhardtius hippoglossoides (Walbaum, 1792) [WoRMS]; PNE, Arctic [Marine Regions]; Marine

Authors  Top 
  • Albert, O.H., correspondent
  • Nilssen, E.M.
  • Nedreaas, K.H., more
  • Gundersen, A.C.

Abstract
    Based on annual bottom-trawl surveys in the Barents Sea and Svalbard area in 1983-2000, variations in distribution and abundance of age 1 Greenland halibut (Reinhardtius hippoglossoides Walbaum) are described. The surveys showed high contrasts in abundance during the period, with extremely low abundance in 1990-1995 associated with a northerly displacement of the distribution within the survey area. A reduced abundance was not reflected in VPA-based estimates of total abundance of 1-group halibut. We conclude that the survey covered a varying proportion of the total distribution area. Survey abundance, the range of distribution within the survey area, and the proportion covered by the surveys were all negatively correlated with temperature in the Atlantic Water of the Spitsbergen Current. Possible mechanisms linking survey results to the physical environment are discussed.

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