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Stock assessment of North Pacific swordfish (Xiphias gladius) in 2009
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  1. Summary of life history and stock assessment results for Pacific blue marlin, Western and Central North Pacific striped marlin, and North Pacific swordfish
    Personal Author:
    Kapur, Maia; Brodziak, Jon K. T. (Jon Kenton Tarsus); Fletcher, E. (Eric James); Yau, Annie;
    Corporate Authors:
    Pacific Islands Fisheries Science Center (U.S.)
    Published Date:
    2017
    Series:
    PIFSC working paper ; WP-17-004
    Description:
    The ISC Billfish Working Group (BILLWG), in its 2016-2017 work plan, agreed to update its webpage information (ISC 2016a). To that end, this working paper presents standardized figures of the best available life history information for Pacific specie...
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  2. Standardization of the swordfish Xiphias gladius catch per unit effort data caught by the Hawaii-based longline fishery from 1994-2016 using generalized linear models
    Personal Author:
    Sculley, Michelle; Yau, Annie; Kapur, Maia;
    Corporate Authors:
    Pacific Islands Fisheries Science Center (U.S.)
    Published Date:
    2018
    Series:
    PIFSC working paper ; WP-18-001
    Description:
    The swordfish (Xiphias gladius) catch per unit effort for the Hawaii-based longline fishery was standardized from the Pacific Islands Regional Observer data set. The fishery was divided into the tuna-targeting deep-set sector and the swordfish-target...
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  3. Size composition for swordfish Xiphias gladius in the Hawaii-based pelagic longline fishery for 1995-2016
    Personal Author:
    Sculley, Michelle; Yau, Annie; Kapur, Maia;
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    Pacific Islands Fisheries Science Center (U.S.)
    Published Date:
    2018
    Series:
    PIFSC working paper ; WP-18-003
    Description:
    Swordfish (Xiphias gladius) size frequency data are summarized for the Hawaii-based longline fishery from the Pacific Islands Regional Observer Program (PIROP) data set. Data were separated into deep-set and shallow-set sectors to account for the tar...
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    Filetype[PDF - 1.62 MB]
  4. A base-case model in Stock Synthesis 3.30 for the 2018 north Pacific swordfish (Xiphias gladius) stock assessment
    Personal Author:
    Sculley, Michelle; Ijima, Hirotaka; Chang, Yi-Jay;
    Corporate Authors:
    Pacific Islands Fisheries Science Center (U.S.)
    Published Date:
    2018
    Series:
    PIFSC working paper ; WP-18-005
    Description:
    A base-case model in Stock Synthesis 3.30 for North Pacific Swordfish (Xiphias gladius) is described. The base-case model covers 1975-2016 for the Western Central North Pacific Ocean (WCNPO) region as determined by the Billfish Working Group at the J...
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    Filetype[PDF - 3.46 MB]
  5. An exploratory analysis of trends in swordfish (Xiphias gladius) length composition data from the Hawaiian longline fishery
    Personal Author:
    Sculley, Michelle; Brodziak, Jon K. T. (Jon Kenton Tarsus); Yau, Annie; Kapur, Maia;
    Corporate Authors:
    Pacific Islands Fisheries Science Center (U.S.)
    Published Date:
    2017
    Series:
    PIFSC working paper ; WP-17-002
    Description:
    Generalized additive models (GAMs) were applied to explore the relative influence of spatial, temporal, and environmental predictors on the distribution of swordfish (Xiphias gladius) fishery length frequency data from the Pacific Islands Regional Ob...
    File Type:
    Filetype[PDF - 1.01 MB]