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ISC/24/PBFWG-1

29 February-8 March 2024 Kaohsiung, Chinese-Taipei
Report of the Pacific Bluefin Tuna Working Group Workshop

Working Group Working Papers

#01

  • Re-evaluation of coefficient of variance (CV) in growth curve using the latest otolith data.
  • Tsukahara Y., T. Ishihara, S.-K. Chang, J.-C. Shiao, H.-H. Lee and H. Fukuda
  • tsukahara_yohei35_at_fra.go.jp

#02

  • PBF size composition 2022-2023 from the Mexican purse seine fishery. Data collected during pen transfer operations.
  • Dreyfus-Leon M. J. and M. Betancourt
  • dreyfus_at_cicese.mx

#03

  • Update on Korean fishery information and size distribution of Pacific Bluefin tuna.
  • Kwon Y., J. Lee, H. W. Park, H. Lee, J. H. Lim and S. I. Lee
  • kwonuj_at_korea.kr

#04

  • Recruitment abundance index of Pacific bluefin tuna based on real-time troll monitoring survey data using Vector Autoregressive Spatio-Temporal (VAST) model analysis.
  • Fujioka K., S. Asai, Y. Tsukahara, H. Fukuda and S. Nakatsuka
  • fujioka_ko34_at_fra.go.jp

#05

  • Developing abundance indices for Taiwanese PBF longline fishery using GLMM and VAST, incorporating SST and size data.
  • Yuan T.-L., S.-K. Chang and H. Xu
  • skchang_at_faculty.nsysu.edu.tw

#06

  • Area weighted size composition data for estimation in a selectivity of Japanese longline index standardized by spatio-temporal model
  • Tsukahara Y. and H. Fukuda
  • tsukahara_yohei35_at_fra.go.jp

#07

  • Input data of Pacific bluefin tuna fisheries for stock assessment model, Stock Synthesis 3; Update for 2024 assessment.
  • Nishikawa K., S.-K. Chang, Y. Kwon, J. Lee, M. Dreyfus, H.-H. Lee, H. Fukuda and S. Nakatsuka
  • nishikawa_kirara68_at_fra.go.jp

#08

  • Assumptions and its alternatives for the assessment model in the 2024 Stock Assessment of Pacific Bluefin Tuna.
  • Fukuda H.
  • fukuda_hiromu57_at_fra.go.jp

#09

  • Long-term Performance of Pacific Bluefin Tuna harvest controls with a 25% Limit on Quota Change under a Low Recruitment Scenario
  • Tommasi D., H.-H. Lee
  • desiree.tommasi_at_noaa.gov

#10

  • Revised Method to Tune the Relative Fishing Mortality in the Pacific Bluefin tuna MSE for the Requested Proportional Fishery Impact.
  • Tommasi D., H.-H. Lee
  • desiree.tommasi_at_noaa.gov

#11

  • Implementation of 2-year lag between stock status estimation and management action in the Pacific Bluefin tuna management strategy evaluation.
  • Tommasi D., H.-H. Lee
  • desiree.tommasi_at_noaa.gov

#12

  • Potential Robustness Trials for the Pacific Bluefin Management Strategy Evaluation.
  • Tommasi D., H.-H. Lee
  • desiree.tommasi_at_noaa.gov

#13

  • Illustration of uncertainties on the plots for Executive summary.
  • Tsukahara Y. and H. Fukuda
  • tsukahara_yohei35_at_fra.go.jp

#14

  • Preliminary future projections for Pacific bluefin tuna stock based on the 2024 stock assessment base case.
  • Nishikawa K., H. Fukuda, Y. Tsukahara and S. Nakatsuka
  • nishikawa_kirara68_at_fra.go.jp

#15

  • Evaluating the Uncertainty Grid Using the 2024 stock assessment: Applying Diagnostic Tools.
  • Lee H.-H. and D. Tommasi
  • huihua.lee_at_noaa.gov

Presentations

#01

  • Re-evaluation of coefficient of variance (CV) in growth curve using the latest otolith data.
  • Tsukahara Y., T. Ishihara, S.-K. Chang, J.-C. Shiao, H.-H. Lee and H. Fukuda
  • tsukahara_yohei35_at_fra.go.jp

#02

  • Bootstrap settings.
  • Tsukahara Y.
  • tsukahara_yohei35_at_fra.go.jp

#03

  • Future projection setting.
  • Nishikawa K.
  • nishikawa_kirara68_at_fra.go.jp

#04

  • Changes in exploitation pattern across fleets between assessments and implications for the management strategy evaluation.
  • Tommasi D., H.-H. Lee
  • desiree.tommasi_at_noaa.gov