NAFO posted on October 01, 2003 15:31
M. J. Morgan, W. R. Bowering, A. C. Gundersen, Å. Hoines, B. Morin, O. Smirnov and E. Hjörleifsson
Dept. of Fisheries and Oceans, P.O. Box 5667
St. John's, NL A1C 5X1, Canada
Source - Journal of Northwest Atlantic Fishery Science, Volume 31: 99-112
ISSN-0250-6408
Morgan, M. J., W. R. Bowering, A. C. Gundersen, Å. Hoines, B. Morin, O. Smirnov and E. Hjörleifsson. 2003. A Comparison of the Maturation of Greenland Halibut (Reinhardtius hippoglossoides) from Populations Throughout the North Atlantic. J. Northw. Atl. Fish. Sci., 31: 99-112. https://doi.org/10.2960/J.v31.a7
Abstract
We examined the maturation of Greenland halibut from data collected on four populations: Gulf of St. Lawrence, Labrador-eastern Newfoundland, East Greenland-Iceland-Faroe Islands and the Northeast Arctic (Svalbard and Barents Sea). We compared the maturity schedules among these populations as well as the variability in the data from the different data sets. Estimates of size and age at 50% maturity were very similar for the different data sets except that the fish in the NAFO Divisions 2J+3K portion of the Labrador-eastern Newfoundland area appeared to mature at a considerably larger size and older age. All data sets showed substantial variability with data from the Gulf of St. Lawrence during the 1996 to 2000 period being perhaps the least variable. When data collected over the entire distribution area were compared to data collected from portions of a population's distribution, there was substantially less variability.
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Language - English
Publisher - Northwest Atlantic Fisheries Organization (NAFO), Dartmouth, N.S., Canada
Publication Date - 2003
Publication Type - Journal Article
Descriptors - age, Greenland halibut, length, maturation, variability
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Citation:
Morgan, M. J., W. R. Bowering, A. C. Gundersen, Å. Hoines, B. Morin, O. Smirnov and E. Hjörleifsson. 2003. A Comparison of the Maturation of Greenland Halibut (Reinhardtius hippoglossoides) from Populations Throughout the North Atlantic. J. Northw. Atl. Fish. Sci., 31:
99-112. https://doi.org/10.2960/J.v31.a7