Research Document - 2014/041
A model for simulating harvest strategies to evaluate the effects of changes in assessment frequency: An application to Northern Shrimp
By Hugo Bourdages and Mathieu Desgagnés
Abstract
An operational model was used to test new decision rules to evaluate the effects of changes in the assessment frequency on management advice for the Northern Shrimp fishery in the Gulf of St. Lawrence. Because the Northern Shrimp is a species subject to abundance variations related to variable recruitment and given its brief lifespan and the short period of availability to the fisheries, frequent adjustments of harvest are needed to track the dynamics of the stock. Simulations have shown that as soon as the TAC adjustment frequency is more than one year, the abundance and landings indicators decline.
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