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Biological and economic consequences of alternative SP-ALB stock recovery trajectories

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https://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/1v53k335b

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  • South Pacific albacore is a species of primary importance in the longline fishery of a number of Small Island Developing States in the Western and Central Pacific Ocean. Despite the fact that the stock is assessed as not being subject to overfishing, nor overfished, economic returns have declined significantly over the past decade. This has led to calls for management intervention. Given stated biological and economic objectives for the fishery, members of the Pacific Islands Forum Fisheries Agency proposed an interim stock target reference point (TRP) to the Western and Central Pacific Fisheries Commission that imply a larger stock size, higher catch rates and a more profitable fishery. The purpose of this study is to examine the biological and economic consequences along the trajectories of two distinct longline effort reduction regimes that achieve the proposed TRP within 20 years. These are a one-off effort reduction implemented immediately, and a phased reduction under which effort is reduced by a fixed percent each year. The results will be discussed in the light of wider Pacific Island objectives for fishery production and fleet profitability.
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  • Seattle, Washington, USA
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