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ISC/20/PBFWG-1

2-12 March 2020 Shimizu, Japan

Working Group Working Papers

#01

  • Input data of Pacific bluefin tuna fisheries for stock assessment model, Stock Synthesis 3; Update for 2020 assessment
  • Nishikawa K., H. Fukuda and S. Nakatsuka
  • kiraranishi_at_affrc.go.jp

#02

  • Standardized CPUE by spatiotemporal model for Pacific Bluefin tuna (Thunnus Orientalis) caught by Japanese coastal and offshore longline
  • Tsukahara Y., H. Fukuda and S. Nakatsuka
  • tsukahara_y_at_affrc.go.jp

#03

  • Abundance index of Taiwanese PBF fisheries based on traditional and spatiotemporal delta-generalized linear mixed models
  • Chang S. K., T.-L. Yuan, H.-I. Liu and H. Xu
  • skchang_at_faculty.nsysu.edu.tw

#04

  • Re-updated standardized CPUE for 0-age Pacific bluefin tuna caught by Japanese troll fisheries: Updated up to 2018 fishing year without 2017 fishing year
  • Nishikawa K., Y. Tsukahara and S. Nakatsuka
  • kiraranishi_at_affrc.go.jp

#05

  • PBF catch size-composition of the Mexican purse seine fishery from data collected at pen rearing operations during 2018-2019
  • Dreyfus-Leon M.
  • dreyfus_at_cicese.mx

#06

  • Size distribution of Pacific bluefin tuna, Thunnus orientalis caught by Korean offshore large purse seine fishery
  • Lee S. I., D. N. Kim, M. K. Lee and H. J. Jo
  • k.sungillee_at_korea.kr

#07

  • Estimates of Recreational release Mortality for the US Commercial Passenger Vessel Fleet (2000-2019).
  • Piner, K., H.H. Lee, E. Hellmers and S. Stohs
  • kevin.piner_at_noaa.gov

#08

  • Estimation of Unaccounted Mortality in the Japanese Fisheries
  • Nakatsuka S. and H. Fukuda
  • snakatsuka_at_affrc.go.jp

#09

  • Assumption of the Population Dynamics Model for the 2020 Stock Assessment of Pacific Bluefin Tuna
  • Fukuda H., H. H. Lee and K. R. Piner
  • fukudahiromu_at_affrc.go.jp

#10

  • New data tests age-structured production model (ASPM) for Pacific bluefin tuna
  • Huihua Lee, Kevin R. Piner, Mark N. Maunder and Hiromu Fukuda
  • huihua.lee_at_noaa.gov

#11

  • Prey availability for PBF larvae and juveniles in relation to their piscivory estimated by the mouth gape size
  • Tanaka Y., H. Tanaka, A. Tawa, H. Ashida, T. Ishihara, E. Sawai, M. Kawazu, T. Sato, H. Hashimoto and K. Kumon
  • yosuket_at_affrc.go.jp

#12

  • Feeding ecology of adult Pacific bluefin tuna in the Sea of Japan
  • Hiraoka Y., Y. Tanaka, S. Watanabe and S. Ohshimo
  • yhira415_at_affrc.go.jp

#13

  • Status and future plans for information on discard mortality rates of Korean fisheries for Pacific bluefin tuna, Thunnus orientalis
  • Lee M. K., D. N. Kim, S. I. Lee and D. H. AN
  • ccmklee_at_korea.kr

#14

  • Calculation of conversion value matrix of relative fishing impact across age classes
  • Fukuda H., S. Nakatsuka
  • fukudahiromu_at_affrc.go.jp

#15

  • A review of the issues associated with the Bootstrap calculations and future projections in the PBF assessment
  • Fukuda H., Y. Tsukahara, K. Nishikawa, M. N. Maunder
  • fukudahiromu_at_affrc.go.jp

Oral Presentations

#01

  • Differences in size distribution, maturity status and batch fecundity of Pacific bluefin tuna Thunnus orientalis among three fishing areas in the Sea of Japan
  • Ashida H., Y. Okochi, S. Ohshimo, T. Satoh, S. Watanabe, K. Fujioka, S. Furukawa, T. Kuwahara, Y. Hiraoka and Y. Tanaka
  • hashida_at_affrc.go.jp

#02

  • Hatch date of Pacific bluefin tuna Thunnus orientalis juveniles with close kinships
  • Tanaka H., Y. Tsukahara, A. Fujiwara, A. Suda, Y. Mochizuki, Y. Tanaka
  • tanakahs_at_affrc.go.jp

#03

  • Growth and survival of the Pacific Bluefin Tuna larvae in the main spawning ground around Japan, comparison between the south-western North Pacific and the Sea of Japan
  • Ishihara T., A. Tawa and Y. Tanaka
  • ishiha_at_affrc.go.jp

#04

  • Estimation of natal origin of PBF by fishing areas using vertebral first annulus
  • Uemastu Y., T. Ishihara and Y. Tanaka
  • yuematsu_at_affrc.go.jp

#05

  • Detecting the trans‐Pacific eastward migratory record of the Pacific bluefin tuna Thunnus orientalis by otolith δ13C and δ18O analysis
  • Kawazu M., A. Tawa, T. Ishihara, Y. Uematsu and S. Sakai
  • norizu_at_affrc.go.jp

#06

  • Horizontal distributions and habitat associations of tuna larvae off the Nansei Islands, Japan
  • Tawa A., T. Kodama, K. Sakuma, T. Ishihara and S. Ohshimo
  • atawa2015_at_affrc.go.jp