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    Agent-Based Modeling of the Bristol Bay Drift Gillnet Salmon Fishery

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    Author
    Chasco, Brandon
    Knapp, Gunnar
    Hilborn, Ray
    Keyword
    sockeye salmon
    ex-vessel value
    escapement
    salmon fisheries
    Bristol Bay
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    URI
    https://digital.lib.washington.edu/researchworks/bitstream/handle/1773/4548/0602.pdf?sequence=1; http://hdl.handle.net/11122/12121
    Abstract
    Alaska’s Bristol Bay sockeye salmon fishery is the world’s largest fishery for this species. Between 1980 and 2005, annual catches averaged 24 million fish, with an annual average ex-vessel value of US$165 million. Historically, the Bristol Bay sockeye salmon fishery has accounted for 20-40% of the total value of Alaska salmon fisheries. Similar to most other Alaska salmon fisheries, Bristol Bay fisheries are managed to achieve escapement goals for several major river systems flowing into Bristol Bay. Fish- ing is allowed during period “openings” over the season to catch returning salmon surplus to escapement goals. In general, the current management system is reasonably successful from a biological point of view, in the sense that managers are usually able to control fishing effort to achieve escapement goals. Our initial fishery data analysis supports key model relationships that we have hypothesized have important implications for how prices, runs, and management may affect the Bristol Bay fishery. For example, the higher the ex-vessel value of the fishery, the more rapid the rate of permit outmigration from the Bristol Bay region.
    Date
    2006
    Source
    Alaska Salmon Research 2005 - Annual Report
    Publisher
    School of Aquatic & Fishery Sciences, University of Washington
    Type
    Report
    Citation
    Chasco, B., Knapp, G., & Hilborn, R. (2005). Agent-Based Modeling of the Bristol Bay Drift Gillnet Salmon Fishery. Alaska salmon research 2005. Univ. Washington, School of Aquatic & Fishery Sciences, SAFS-UW-0602. Seattle.
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