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ISC/25/ALBWG-1

10-14 Mar 2025 Taipei, Chinese-Taipei

Working Group Working Papers

#01

  • An update of the standardized abundance index for the US surface fleet in the North Pacific.
  • Kuriyama P. and S. Teo
  • peter.kuriyama_at_noaa.gov

#02

  • Standardized CPUE and size for North Pacific Albacore by Japanese Longline using VAST package.
  • Matsubara N., H. Xu, H. Ijima, and Y. Tsuda
  • matsubara_naoto84_at_fra.go.jp

#03

  • CPUE standardization considering spatial fish-size distribution.
  • Ijima H., N. Matsubara, M. Jusup and Y. Tsuda
  • ijima_hirotaka69_at_fra.go.jp

#04

  • Spatiotemporal modelling for size-specific CPUE standardization of albacore tuna in the north Pacific Ocean caught by Taiwanese longline fisheries.
  • Yeh Z.-W., J. Hsu, and Y.-J. Chang
  • yjchang_at_ntu.edu.tw

#05

  • Update on the age and growth of North Pacific albacore tuna (Thunnus alalunga) from the central and eastern Pacific Ocean.
  • Snodgrass O., K. James, C.-Y. Chen, and B. Erisman
  • ijima_hirotaka69_at_fra.go.jp

#06

  • A spatiotemporal population model for stock assessment: Application to North Pacific albacore tuna..
  • Ijima H., M. Jusup and Y. Tsuda
  • ijima_hirotaka69_at_fra.go.jp

#07

  • Exploration of time-varying age-based selectivity options in Stock Synthesis in preparation for the albacore benchmark assessment.
  • Kuriyama P. and S. Teo
  • peter.kuriyama_at_noaa.gov

#08

  • Estimating sex ratio in North Pacific Albacore (Thunnus alalunga) Using Genetic Methods.
  • Craig M., M. Andrew, Y. Tsuda, C.-Y. Chen, J. O’Malley, and J. R. Hyde
  • matthew.craig_at_noaa.gov

#09

  • Relationships between fleet-specific spawning potential ratios and measures of catch and effort for Japanese longline fleets targeting North Pacific Albacore Tuna.
  • Teo S., Y. Tsuda, and P. Kuriyama
  • steve.teo_at_noaa.gov

#10

  • Erratum: Stock Assessment of Albacore Tuna in the North Pacific Ocean in 2023.
  • Teo S. and P. Kuriyama
  • steve.teo_at_noaa.gov

#11

  • Estimating fleet-specific allocations of spawning potential ratios.
  • Teo S. and P. Kuriyama
  • steve.teo_at_noaa.gov

#12

  • Review of the biological data for the North pacific albacore tuna from Japan.
  • Tsuda Y., N. Yokoyama, N. Matsubara, H. Ijima and Y. Aoki
  • tsuda_yuichi58_at_fra.go.jp

Presentations

#01

  • Modelling the vertical behavior and distribution of albacore tuna in the North Pacific of albacore tuna in the North Pacific.
  • Tseng K.-C., Y.-J. Chang, M. Arostegui, and B. Muhling
  • kctseng_at_ntu.edu.tw

#02

  • Tuna and billfish larval distributions in a warming ocean.
  • Ijima H. and M. Jusup
  • ijima_hirotaka69_at_fra.go.jp

#03

  • Albacore tagging research and thermal tolerance.
  • Matsubara N., Y. Aoki, Y. Tsuda and H. Ijima
  • matsubara_naoto84_at_fra.go.jp

#04

  • The development of sex determination methods for the fishery catch samples of albacore (Thunnus alalunga).
  • Yokoyama N., N. Matsubara, Y. Hongo, H. Ijima, Y. Nakamura, Y. Tsuda, M. Yasuike and Y. Tsukahara
  • yokoyama_norihiko09_at_fra.go.jp