Research Document 1997/87
The 1996 large seiner fishery in 4Vn
By R. Claytor
Abstract
The 4Vn large seiner herring fishery was marked by several issues in 1996. First, there was an increase in allocation from 4200 t to 6423 t, second, the starting date of the fishery was changed from November 1 to October 15, third, the percentage of small fish in the catch was much higher than in recent years, and fourth, a nights fishing late in the season had a high rate of spring spawners in the catch.
Development of a management plan and decision rules for this fishery require information concerning, weight to be caught, size of herring in catch, opening date, and catch composition. Results from an analysis of the fishery and surveys indicate that the size limit in 1996 was sufficient to meet management objectives, that the 4T migration into 4Vn is consistently well underway by November 1, and that there were temporal and spatial trends in the catch composition regarding spring and fall spawners but not immature fish.
These results and those describing the results of the status of the Bras d'Or lake herring stock were used in developing decision rules for this fishery. Relevant documents are: Claytor (1997), the 4WX stock status report (Anon 1997a) and a fishery stock status report (Anon 1997b).
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