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ISC/21/SHARKWG-2

9-19 November 2021 Webinar
Report of the Shark Working Group Workshop

Working Group Working Papers

#01

  • Spatio-temporal model for CPUE standardization: Application to blue shark caught by Japanese offshore and distant water shallow-set longliner in the western North Pacific
  • Kai M.
  • kaim_at_affrc.go.jp

#02

  • The preliminary analysis of standardized CPUE for the catch data of blue shark by Japanese longliner using the finite mixture model
  • Kanaiwa M., A. Yamamoto and M. Kai
  • kanaiwa_at_bio.mie-u.ac.jp

#03

  • Spatio-temporal model for CPUE standardization: Application to blue shark caught by longline of Japanese research and training vessels in the western and central North Pacific
  • Kai M.
  • kaim_at_affrc.go.jp

#04

  • Update of Japanese annual catches for blue shark caught by Japanese offshore and distant water longliner in the North Pacific Ocean from 1994 to 2020
  • Kai M.
  • kaim_at_affrc.go.jp

#05

  • Updated annual catches of blue shark caught by Japanese coastal fisheries in the North Pacific Ocean from 1994 to 2019
  • Kai M. and T. Yano
  • kaim_at_affrc.go.jp

#06

  • Updated Blue Shark (Prionace glauca) bycatch statistics in Canadian fisheries
  • King J.
  • jackie.king_at_dfo-mpo.gc.ca

#07

  • Estimation of annual catch for blue shark caught by Japanese high seas squid driftnet fishery in the North Pacific Ocean from 1981 to 1992
  • Fujinami Y., M. Kanaiwa and M. Kai
  • fuji925_at_affrc.go.jp

#08

  • Blue shark catches in the Japanese large-mesh driftnet fishery in the North Pacific Ocean from 1973 to 1993
  • Fujinami Y., M. Kanaiwa and M. Kai
  • fuji925_at_affrc.go.jp

#09

  • Progress report of collaborative study on the migration pattern of blue shark (Prionace glauca) in the central North Pacific Ocean
  • Semba Y., Y. Fujinami, M. Hutchinson, M. J. Kinney, and M. Kai
  • senbamak_at_affrc.go.jp

#10

  • Review and proposal of key life history parameters for North Pacific blue shark stock assessment
  • Fujinami Y., Y. Semba and M. Kai
  • fuji925_at_affrc.go.jp

#11

  • Size distribution of blue shark (Prionace glauca) collected by Japanese fleet and research program in the North Pacific
  • Semba Y.
  • senbamak_at_affrc.go.jp

#12

  • Catch, size and distribution pattern of the blue shark caught by the Taiwanese small-scale longline fishery in the North Pacific
  • Liu K.-M., K.-Y. Su, W.-P. Tsai and C.-P. Chin
  • kmliu_at_mail.ntou.edu.tw

#13

  • Size and spatial distribution of the blue shark, Prionace glauca, caught by the Taiwanese large-scale longline fishery in the North Pacific Ocean
  • Liu K.-M., K.-Y. Su, W.-P. Tsai, and C.-P. Chin
  • kmliu_at_mail.ntou.edu.tw

#14

  • Updated standardized CPUE and catch estimation of the blue shark caught by the Taiwanese large scale tuna longline fishery in the North Pacific Ocean
  • Liu K.-M., K.-Y. Su, W.-P. Tsai and C.-P. Chin
  • kmliu_at_mail.ntou.edu.tw

#15

  • Update on standardized catch rates for blue shark (Prionace glauca) in the 2006-2020 Mexican Pacific longline fishery based upon a shark scientific observer program
  • Fernández-Méndez J. I., J. L. Castillo-Géniz, G. Ramírez-Soberón, H. Haro-Ávalos, L. V. González-Ania
  • ignacio.fernandez_at_inapesca.gob.mx

Presentation

#01

  • 2021 ISC North Pacific blue shark stock assessment: US domestic fishery data updates: Catch, CPUE and length frequency.
  • Duchrme-Barth N., M. Kinney, and F. Carvalho

Information Papers

#01

  • Cluster analysis used to reexamine 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

#02

  • Performance of a finite mixture model in CPUE standardization for a longline fishery with target change. (2021. Fish. Sci. 87: 465-477.)
  • Shibano A., M. Kanaiwa, and M. Kai

#03

  • Stock Assessment and Future Projections of Blue Shark in the North Pacific Ocean through 2015. (WCPFC-SC13-2017/SA-WP-10)
  • WCPFC

#04

  • Seasonal migrations of pregnant blue sharks Prionace glauca in the northwestern Pacific. (2021. Mar. Ecol. Prog. Ser. 658: 163-179.)
  • Fujinami Y., K. Shiozaki, Y. Hiraoka, Y. Semba, S. Ohshimo, and M. Kai

#05

  • Spatio-temporal changes in catch rates of pelagic sharks caught by Japanese research and training vessels in the western and central North Pacific.(2019. Fish. Res. 216: 177-195.)
  • Kai M.

#06

  • Stock-recruitment relationships in elasmobranchs: Application to the North Pacific blue shark. (2018. Fish. Res. 200: 104-115.)
  • Kai M. and Y. Fujinami

#07

  • Reproductive biology of the blue shark (Prionace glauca) in the western North Pacific Ocean. (2017. Mar. Freshwater. Res. 68: 1-10.)
  • Fujinami Y., Y. Semba, H. Okamoto, S. Ohshimo and S. Tanaka

#08

  • Age determination and growth of the blue shark (Prionace glauca) in the western North Pacific Ocean. (Fish. Bull. 2019. 117: 107-120. )
  • Fujinami Y., Y. Semba, and S. Tanaka