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11-19 June 2008 Abashiri, Japan

Working Group Report

Report of the Billfish Working Group Workshop Continue Download PDF Download

Working Group Working Papers

No. Title Authors and Contact
01 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)
02 U.S. swordfish fisheries in the North Pacific Ocean. Ito, R. and J. Childers
03 U.S. commercial fisheries for marlins in the North Pacific Ocean. Ito, R. and W. Walsh
04 Analysis of blue marlin catches by Japanese training vessels. Kanaiwa, M., K. Yokawa
and K. Bigelow
05 Preliminary analysis of Blue Marlin’s fishery by Japanese offshore and distant-water longliners. Kanaiwa, M. and K. Yokawa
06 Draft ISC billfish research plan: research of future age and growth and length at 50% reproductive maturity studies. ISC BILLWG (G. DiNardo)
07 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
08 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
09 Maximum sustainable yield-based reference points for North Pacific striped marlin, Tetrapturus audax. Brodziak, J. and K. Piner
10 An investigation of length-based estimates of total mortality for North Pacific striped marlin, Tetrapturus audax. Brodziak, J.
11 A review of Taiwan’s billfish fisheries in the North Pacific Ocean. Sun, C.-L. and S.-Z. Yeh
12 Standardization of Taiwanese distant water tuna longline catch rates for swordfish in the North Pacific, 1995-2006. Yeh, S.-Z. and C.-L. Sun
13 Preliminary economic overview of the swordfish longline fishery in Kessen-numa, Japan. Ishimura, G. and K. Yokawa