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PELAGIC FISHERIES RESEARCH PROGRAM

PELAGIC FISHERIES RESEARCH PROGRAM. Kevin Weng, Program Manager Joint Institute for Marine and Atmospheric Science University of Hawaii at Manoa. Photo : K Weng. History of the PFRP. Established 1992: John Sibert, Program Manager Univ of Hawaii – SOEST – JIMAR (Coop. Inst.)

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PELAGIC FISHERIES RESEARCH PROGRAM

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  1. Kevin Weng 1 PELAGIC FISHERIES RESEARCH PROGRAM Kevin Weng, Program Manager Joint Institute for Marine and Atmospheric Science University of Hawaii at Manoa Photo : K Weng

  2. Kevin Weng 2 History of the PFRP • Established 1992: John Sibert, Program Manager • Univ of Hawaii – SOEST – JIMAR (Coop. Inst.) • Magnuson Stevens Act amended to include "highly migratory fish” – large increase in role of WesPac • Science, social science & economics relevant to fishery management • Tunas, billfishes, sharks, protected species

  3. Kevin Weng 3 Operations • Annual request for proposals with peer review, panel and steering committee • Budget: 0.5 – 2 million USD annually • Earmark / Bluebook • Participation in WesPac, WCPFC meetings • Oversight by University, NOAA, WesPac

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  6. Kevin Weng 6 End-to-end Ecosystem Model: SEAPODYM Lehodey, P., Senina, I., and Murtugudde, R., 2008, A spatial ecosystem and populations dynamics model (SEAPODYM) - Modeling of tuna and tuna-like populations: Progress in Oceanography, v. 78, p. 304-318. Lehodey, P., Senina, I., Sibert, J., Bopp, L., Calmettes, B., Hampton, J., and Murtugudde, R., 2010, Preliminary forecasts of Pacific bigeye tuna population trends under the A2 IPCC scenario: Progress in Oceanography, v. 86, p. 302-315. The PFRP has funded development of computer models that describe the entire ecosystem, from climate to algae to the animals that eat them—and the big animals that humans like to eat. Such models will bridge the gap between single species management and ecosystem-based management. This figure shows an estimate of skipjack tuna distribution from the SEAPODYM model (Source: I. Senina, P. Lehodey). Lehodey, Senina et al

  7. Kevin Weng 7 Modifying longlines to avoid turtles and birds Beverly, Steve, Daniel Curran, Michael Musyl and Brett Molony. 2009. Effects of eliminating shallow hooks from tuna longline sets on target and non-target species in the Hawaii-based pelagic tuna fishery. Fisheries Research 96 (2009) 281-288. Swimmer, Y., R. Arauz, B. Higgins, L. McNaughton, M. McCracken, J. Ballestero, and R. Brill, 2005. Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries? Marine Ecology Progress Series, v. 295: 273-278, June 23, 2005 PFRP-funded research showed that when sea turtles are caught on longlines, they are nearly always on hooks that are nearer to the surface of the water. As a result, the catch of turtles can be reduced by deploying the longline so that the hooks are deeper in the water (Photos: Y. Swimmer, K. Weng).

  8. Kevin Weng 8 Reducing bycatch, eg turtles, sharks

  9. Kevin Weng 9 Fournier, D., Hampton, J., Sibert, J., 1999. MULTIFAN-CL: a length-based, age-structured model for fisheries stock assessment, with application to south Pacific albacore, Thunnus alalunga. Canadian Journal of Fisheries and Aquatic Sciences, 55:2105 - 2116

  10. Kevin Weng 10 • Stock assessments used by international RFMOs (WCPFC, SPC)

  11. Kevin Weng 11 • Easy front end to MULTIFAN-CL • Usable by managers • During meetings / negotiations • Allows new scenarios to be evaluated without lengthy back-and-forth with science provider Hoyle, Hampton et al. SPC

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  13. Kevin Weng 14 Thank you

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