Spawning Stock, Population Fecundity and Year-class Strength of Greenland Halibut (Reinhardtius hippoglossoides,) in the Northwest Atlantic, 1969-88

Source - Journal of Northwest Atlantic Fishery Science, Volume 14: 107-113
ISSN-0250-6408

Serebryakov, V.P., Chumakov, A.K. and Tevs, I.I. 1992. Spawning Stock, Population Fecundity and Year-class Strength of Greenland Halibut (Reinhardtius hippoglossoides,) in the Northwest Atlantic, 1969-88. J. Northw. Atl. Fish. Sci. 14: 107-113. https://doi.org/10.2960/J.v14.a8

An attempt was made to analyse spawning stock abundance and population fecundity of Greenland halibut (Reinhardtius hippoglossoides) against the background of fluctuations in year-class strength. Population fecundity varied from 8 x 10¹¹ to 24 x 10¹¹ eggs in 1969-88. Survival indices of year-classes 1969-88 were calculated during early life history and a five-fold difference between maximum and minimum survival rates was revealed. An inverse correlation was found between survival rate and water temperature at 50-200 m depth on the hydrographic section across the Hamilton Bank. This was used for survival index projections.

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Language - English
Publisher - Northwest Atlantic Fisheries Organization (NAFO), Dartmouth, N.S., Canada
Publication Date - December 1992
Publication Type - Journal Article

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