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ISC/19/SHARKWG-1

4-10 December 2019 Shimizu, Japan
Report of the Shark Working Group Workshop

Working Group Working Papers

#01

  • Clustering analysis of size data for blue shark (Prionace glauca).
  • Kanaiwa M., Y. Semba, M. Kai, C.-G. J. Leonardo, H.-A. Horacio, C.-C. L. Daniel, K.-M. Liu, W.-P. Tsai, M. Kinney, S. L. H. Teo, and F. Carvalho
  • kanaiwa_at_bio.mie-u.ac.jp

#02

  • The evaluation of the accuracy to estimate the body length by using several meseared parts for blue shark.
  • Yamamoto A., Y. Fujinami, Y. Semba, and M. Kanaiwa
  • a_yamamoto_at_bio.mie-u.ac.jp

#03

  • Update of Japanese annual catches for blue shark caught by Japanese offshore and distant -water longliner in the North Pacific Ocean from 1994 to 2018.
  • Kai M.
  • kaim_at_affrc.go.jp

#04

  • Update of annual catches for blue shark caught by Japanese coastal fisheries in the North Pacific Ocean from 1994 to 2017.
  • Kai M. and Yano T.
  • kaim_at_affrc.go.jp

#05

  • Updated information on standardized CPUE and catch estimation of the blue shark from Taiwanese large scale tuna longline fishery in the North Pacific Ocean.
  • Tsai W.-P., and K.-M. Liu
  • wptsai_at_nkust.edu.tw

#06

  • Blue shark (Prionace glauca) bycatch statistics in Canadian fisheries.
  • King J.R., and A.M. Surry
  • jackie.king_at_dfo-mpo.gc.ca

#07

  • Preliminary results of stock synthesis projections of blue shark in the North Pacific Ocean through 2025.
  • Kai M. and F. Carvalho
  • kaim_at_affrc.go.jp

#08

  • Estimation of blue shark catch by Korean tuna longline fishery in the North Pacific Ocean.
  • Lee S.-I., D.-N. Kim, M.-K. Lee and Y. Kwon
  • k.sungillee_at_gmail.com

Oral Presentations

#P01

  • Seasonal migrations of pregnant blue shark, Prionace glauca, in the northwestern Pacific.
  • Fujinami Y., K. Shiozaki, Y. Hiraoka, Y. Semba, S. Ohshimo, and M. Kai
  • fuji925_at_affrc.go.jp

#P02

  • Stable isotope analysis to investigate spatial distribution of the blue shark in the North Pacific Ocean.
  • Fujinami Y.,Y. Semba, and S. Ohshimo
  • fuji925_at_affrc.go.jp

#P03

  • Preliminary results of redefining fleet definitions of North Pacific fisheries with spatiotemporal consideration of blue shark size and sex data.
  • Kinney M. J., F. Carvalho, M. Kai, Y. Semba, K.-M. Liu, W.-P. Tsai, C.-G. J. Leonardo, H.-A. Horacio, C.-C. L. Daniel, and S. L. H. Teo.
  • michael.kinney_at_noaa.gov

#P04

  • Updated catch of blue shark in US West coast fisheries.
  • Kinney M. J.
  • michael.kinney_at_noaa.gov

#P05

  • Potential collaborative biology projects for North Pacific sharks.
  • Kinney M. J.
  • michael.kinney_at_noaa.gov

#P06

  • Preliminary result of Parasite fauna of Blue Shark living in the North-west Pacific.
  • Kurashima A., and Y. Semba
  • akura_at_affrc.go.jp

#P07

  • Review of size data of North Pacific blue shark (Prionace glauca) provided from each CPCs.
  • Semba Y.
  • senbamak_at_affrc.go.jp

#P08

  • Introduction of population genetic structure of blue shark (Prionace glauca).
  • Nohara K., and Y. Semba.
  • knohara_at_tokai-u.jp

#P09

  • Introduction of ongoing work of elemental analysis for North Pacific shortfin mako (Isurus oxyrinchus) and proposal of collaborative study for the improvement of growth estimate.
  • Semba Y.
  • senbamak_at_affrc.go.jp

#P10

  • Update on standardized catch rates for blue shark (Prionace glauca) in the 2006-2018 Mexican Pacific longline fishery based upon a shark scientific observer program.
  • Fernández-Méndez J. I., J. L. Castillo-Géniz, H. Haro-Ávalos, G. Ramírez-Soberón, and L. V. González-Ania
  • leonardo.castillo_at_inapesca.gob.mx

#P11

  • Dealing with CITES.
  • Kinney M. J.
  • michael.kinney_at_noaa.gov

Information Papers

#01

  • Spatio-temporal changes in catch rates of pelagic sharks caught by Japanese research and training vessels in the western and central North Pacific.
  • Kai M.

#02

  • Age determination and growth of the blue shark (Prionace glauca) in the western North Pacific Ocean.
  • Fujinami Y., Y. Semba, and S. Tanaka.

#03

  • Stock assessment and future projections of blue shark in the North Pacific Ocean through 2015 (Report of the Shark Working Group; ISC17-Annex13).
  • WCPFC

#04

  • Pattern recognition of population dynamics for North Pacific swordfish (Xiphias gladius): the operational data analysis of Japanese longline fishery using the finite mixture model.
  • Ijima, H. and Kanaiwa, M.