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11-19 June 2008 Abashiri, Japan
Report of the Billfish Working Group Workshop

Working Group Working Papers


  • Estimation of the ratio of spawning biomass of striped marlin above 20°N in the Central and Western North Pacific Ocean using the Japanese distant water longline fleet and the 2007 ISC Stock Assessment.
  • ISC BILLWG (K. Piner)


  • U.S. swordfish fisheries in the North Pacific Ocean.
  • Ito, R. and J. Childers


  • U.S. commercial fisheries for marlins in the North Pacific Ocean.
  • Ito, R. and W. Walsh


  • Analysis of blue marlin catches by Japanese training vessels.
  • Kanaiwa, M., K. Yokawa and K. Bigelow


  • Preliminary analysis of Blue Marlin’s fishery by Japanese offshore and distant-water longliners.
  • Kanaiwa, M. and K. Yokawa


  • Draft ISC billfish research plan: research of future age and growth and length at 50% reproductive maturity studies.
  • ISC BILLWG (G. DiNardo)


  • Update of the Catch per Unit Effort distribution of swordfish (Xiphias gladius) by the Japanese offshore and distant-water longline fishery in the Pacific.
  • Ishimura, G., K. Yokawa and M. Ichinokawa


  • Generalized additive model analyses to standardize swordfish (Xiphias gladius) catch rates in the Hawaii-based longline fishery, 1995-2006.
  • Courtney, D., W. Walsh and J. Brodziak


  • Maximum sustainable yield-based reference points for North Pacific striped marlin, Tetrapturus audax.
  • Brodziak, J. and K. Piner


  • An investigation of length-based estimates of total mortality for North Pacific striped marlin, Tetrapturus audax.
  • Brodziak, J.


  • A review of Taiwan’s billfish fisheries in the North Pacific Ocean.
  • Sun, C.-L. and S.-Z. Yeh


  • Standardization of Taiwanese distant water tuna longline catch rates for swordfish in the North Pacific, 1995-2006.
  • Yeh, S.-Z. and C.-L. Sun


  • Preliminary economic overview of the swordfish longline fishery in Kessen-numa, Japan.
  • Ishimura, G. and K. Yokawa