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Research projects
  • You can use the Project Search Tool below to browse over the staff’s research projects, including their brief summaries, that are currently under way, or planned for the near future and funded under the 5-year Strategic Science Plan (2019-2023). The summaries include, for each project, background information, a work plan, and a progress report, as well as details of its relevance and purpose, external collaborators, duration, and deliverables; also, for existing projects, an update on activities since the previous year’s report.

    This information can also be found on the IATTC-98b-Staff activities and research plan.

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    86 Project(s)
    01 Jun 2018 - 01 Jun 2023
    Objectives:
    To develop a larval or early-juvenile growth index for yellowfin tuna in the Panama Bight which might prove useful as an index of recruitment strength of yellowfin in the EPO
    01 Jan 2018 - 31 Dec 2020
    Funded
    Objectives:
    Improve the bigeye tuna stock assessment
    01 Jan 2018 - 31 Dec 2020
    Funded
    Objectives:
    Improve the yellowfin tuna stock assessment by exploring the use of an age-structured length-based catch-at-age statistical model with a monthly time step
    01 Jan 2021 - 31 Dec 2024
    Funded
    Objectives:
    Improve the yellowfin tuna stock assessment by exploring alternative hypotheses of stock structure and life-history 
    01 Jan 2019 - 31 Dec 2019
    Objectives:
    Evaluate potential changes in targeting on the size composition of the longline catches of bigeye and yellowfin
    01 Jun 2018 - 31 Dec 2019
    Funded
    Objectives:
    • Improve the yellowfin and bigeye indices of relative abundance from longline data
    • Determine methods to identify targeting in longline fisheries
    • Develop spatio-temporal models for creating indices of relative abundance from longline data
    • Develop appropriate longline length composition data for the index of abundance and for the catch
    01 Jan 2020 - 31 Dec 2022
    Objectives:
    • Improve the yellowfin and bigeye indices of relative abundance from longline data
    • Determine methods to identify targeting in longline fisheries
    • Develop spatio-temporal models for creating indices of relative abundance from longline data
    • Develop appropriate longline length-composition data for the index of abundance and for the catch
    • Continue the ongoing collaborative work
    01 Jun 2019 - 31 Dec 2020
    Objectives:
    Construct indices of relative abundance and length compositions from longline data for yellowfin and bigeye, ideally using spatiotemporal models
    01 Jun 2021 - 31 Dec 2024
    Funded
    Objectives:
    Improve the risk analysis methodology by defining more objective, transparent, and automated diagnostic-based metrics for weighting fishery stock assessment model ensembles.
    01 Jun 2021 - 31 May 2024
    Funded
    Objectives:
    Estimate abundance and fishing mortality rate of skipjack tuna from recent tagging data while accounting for mixing rates