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Optimization Model for the Oregon Ocean Shrimp Fishery

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  • A bioeconomic model of the Oregon ocean shrimp (Pandalus jordani) fishery was developed to evaluate management policy options for maximizing fishery yield, revenue, and/or net present value using existing regulatory policy approaches. The base model accounts for a multiple cohort seasonal fishery, a count per pound catch composition, and an ex-vessel price relationship. The model chooses the fishing strategy by identifying the timing and intensity of fleet effort as the number of trips per month. Results of the base model indicate that optimizing yield requires early season harvest of age 1 recruits, whereas revenue and profit optimization suggest a delay in the season opening date. Two variations of the base model are presented: 1) heterogeneous vessel related opportunity costs, and 2) the integration of processing and harvesting sectors. Each variation compares management options relative to the base model.
  • Keywords: Theoretical and Empirical Bio-Economic Modelling, Bioeconomic model, Optimal management, Fisheries Economics, Ocean shrimp, Integrated fishery
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  • Gallagher, Charmaine Marie, Gilbert Sylvia. 2002. Optimization Model for the Oregon Ocean Shrimp Fishery. Peer Review: No. In: Proceedings of the Eleventh Biennial Conference of the International Institute of Fisheries Economics and Trade, August 19-22, 2002, Wellington, New Zealand: Fisheries in the Global Economy. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2002. CD ROM.
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