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ISC/12/PBFWG-1
31 January-7 February 2012 La Jolla, USA
Working Group Report
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Report of the Pacific Bluefin Tuna Working Group Workshop Download PDF

Working Group Working Papers
No. Title Authors and Contact
01 Estimation of catch at size of Pacific bluefin tuna caught by Japanese longline fishery. A. Mizuno, M. Ichinokawa, K. Oshima, and Y. Takeuchi
(mizunoakiko_at_fra.affrc.go.jp)
02 Reconsideration of estimation of catch at size for young Pacific bluefin tuna caught by Japanese small pelagic fish purse seine fisheries. K. Oshima, M. Kai, S. Iwata, and Y. Takeuchi
(oshimaka_at_affrc.go.jp)
03 Estimation of catch at size of Pacific bluefin tuna, Thunnus orientalis, caught by Japanese tuna purse seine spreated in Pacific Ocean. M. Abe, M. Kanaiwa, K. Oshima, and Y. Takeuchi
04 Estimation of catch at size of young Pacific bluefin tuna caught by Japanese troll fisheries. H. Fukuda and K. Oshima
(fukudahiromu_at_affrc.go.jp)
05 Update and re-examination of estimation of the catch at size of Pacific bluefin tuna Thunnus orientalis caught by Japanese setnet fishery. M. Kai and Y. Takeuchi
(kaim_at_affrc.go.jp)
06 Preliminary analysis of length frequency for Pacific bluefin tuna, Thunnus orientalis, landed by Other fishery (Fleet 10). M. Abe, I. Yamazaki and M. Kanaiwa
07 Update of estimated catch at size by Purse Seiner in Japanese sea. M. Kanaiwa, I. Tsuruoka, A. Shibano, T. Shimura, R. Uji, Y. Ishihara, and Y. Takeuchi
(m3kanaiw_at_bioindustry.nodai.ac.
jp)
08 Standardized CPUE of North Pacific bluefin tuna caught by Japanese coastal longliners: updates until 2011. M. Ichinokawa and Y. Takeuchi
(ichimomo_at_fra.affrc.go.jp)
09 CPUE analysis for Japanese Purse seine in Sea of Japan. M. Kanaiwa, T. Shimura, R. Uji, Y. Ishihara and Y. Takeuchi
(m3kanaiw_at_bioindustry.nodai.ac.
jp)
10 Re-estimation of standardized CPUE of Pacific bluefin tuna caught by Japanese offshore longline fisheries operated during 1952-1974. K. Fujioka, M. Ichinokawa, K. Oshima, and Y. Takeuchi
(fuji88_at_affrc.go.jp)
11 Abundance indices of young Pacific bluefin tuna, derived from catch-and-effort data of troll fisheries in various regions of Japan. M. Ichinokawa, K. Oshima, and Y. Takeuchi
(ichimomo_at_fra.affrc.go.jp)
12 Updated sex specific growth parameters for Pacific bluefin tuna Thunnus orientalis. T. Shimose and Y. Takeuchi
(shimose_at_affrc.go.jp)
13 Reconsideration of natural mortality of age -0 Pacific bluefin tuna and its variability relative to fish size. S. Iwata, K. Fujioka, H. Fukuda, and Y. Takeuchi
(siwata_at_affrc.go.jp)
14 Reconsideration on the parameters to be used in the analysis of mark-recapture experiment in Tosa Bay, Kochi. S. Iwata, K. Fujioka, H. Fukuda, and Y. Takeuchi
(siwata_at_affrc.go.jp)
15 Estimation of steepness of PBFT -By using biological feature. S. Iwata, H. Fukuda, O. Abe, and Y. Takeuchi
(siwata_at_affrc.go.jp)
16 Exploratory application of SS incorporating conditional age at length data from otolith aging. Y. Takeuchi and T. Shimose
(yukiot_at_fra.affrc.go.jp)
17 Review of the setting of SS3 in previous PBFT stock assessment meetings. S. Iwata and Y. Takeuchi
(siwata_at_affrc.go.jp)
18 Updated standardized catch rates for Pacific bluefin tuna caught by United States and Mexican-flag purse seine fisheries in the eastern Pacific Ocean (1960-2011). A. Aires-da-Silva and S. Teo
(alexdasilva_at_iattc.org)
19 Recent update of Pacific bluefin tuna catch in Korean waters. J.-T. Yoo, Z.-G. Kim, S.-I. Lee, I.-J. Yeon, S.-C. Yoon, and D.-W. Lee
Oral only
#1 Historical review of the bluefin fishery in the eastern Pacific Ocean. G. Compean-Jimenez
#2 A description of PBF field sampling from commercial and sport fisheries in EPO. E. Everett
#3 Brief overview of methods for estimation of Pacific bluefin (PBF) total catch and length composition for sport and commercial surface fisheries in the EPO. C. Lennert-Cody
#4 Estimation of effective sample size for catch-at-length data of Pacific bluefin tuna. A. Mizuno, K. Oshima, and Y. Takeuchi
#5 Overview of natural mortality for Pacific Bluefin Tuna - age 2+ group-. H. Fukuda and S. Iwata
#6 Current situation of Taiwanese longline PBF CPUE data. C.-C. Hsu
#7 Update of Japanese quarterly catch for Pacific Bluefin tuna. K. Oshima
#8 Time series from US commercial and recreational fisheries for the PBF stock assessment. S. Teo
#9 Modeling growth while fitting simultaneously to direct aging and tag-recapture data. A. de Silva, Pl. Maunder, K. Schaefer, and Fuller
#10 A hybrid SS3-VPA model for examining trends in young fish selectivity and recruitment. A. MacCall and S. Teo
#11 How to calculate sample size for reconstructed data A. MacCall