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.
13 Project(s)M.1.a - Evaluate the effect of the depth of non-entangling FADs on catches of tunas and bycatches of other species in the purse-seine fishery01 Jan 2015 - 31 Dec 2018FundedObjectives:
Evaluate the performance of shallow non-entangling versus normal depth FADs in the EPO purse-seine fishery, with an emphasis on the tuna and non-tuna species catch composition; seeking a practical solution to reduce fishing mortality on small undesirable sizes of bigeye01 Jan 2019 - 15 Jun 2020FundedObjectives:
Reduce bycatches of small fishes (tunas and others) in purse-seine sets01 Jan 2020 - 01 Dec 2023FundedObjectives:
Reduce bycatches of small yellowfin in purse-seine sets.01 Jan 2021 - 31 Dec 2023FundedObjectives:
Develop and test bycatch release devices in tuna purse seiners to improve post release survival, handling and release of sensitive key bycatch species, with particular emphasis on sharksM.2.a - Evaluate the post-release survival of silky sharks captured by longline fishing vessels in the equatorial EPO, using best handling practices01 Jan 2016 - 31 Dec 2018FundedObjectives:
Estimate the post-release survival of silky sharks captured by longline vessels in the equatorial EPO, using archival tagsM.2.b - Evaluate best handling practices for maximizing post-release survival of silky sharks in longline fisheries, and identification of silky shark pupping areas for bycatch mitigation01 Jan 2018 - 31 Dec 2020FundedObjectives:
Estimate post-release survival of silky sharks captured by Mexican longline vessels in the eastern tropical Pacific, utilizing a best handling practice, and define boundaries encompassing the probable distribution silky shark pupping areas in the EPOM.2.c - Manta and devil ray post-release survival, movement ecology, and genetic population structure01 Jun 2021 - 01 Jun 2023FundedObjectives:
M.2.d - Evaluating knowledge and data gaps to the implementation of best handling and release practices for vulnerable species in IATTC fisheries01 May 2023 - 01 May 2025FundedObjectives:
- Quantify baseline capture and survival probabilities of mobulid species and identify best practices for handling and release
- Identify vertical and horizontal habitat use of the species to improve selectivity
- Quantify the accuracy of onboard observer species identification
- Characterize population genetic structure and effective population size across the Eastern Pacific for four mobulid species.
Conduct a review to identify knowledge and data gaps hindering the implementation of best handling and release guidelines for vulnerable species in IATTC fisheriesM.2.e - Investigating post release survival of silky sharks captured in class 2-5 purse seine vessels01 May 2023 - 01 May 2026FundedObjectives:
Conduct a post release survival study (PRS) of silky sharks captured in class 2-5 purse seine vessels to generate quantitative estimates of survival and to identify best handling and release methods01 Jan 2020 - 31 Dec 2021FundedObjectives:
Explore the effectiveness of different types of spatial and temporal closures in reducing bycatch with the lowest losses in target catch