Internal and Meeting ReportsA selection of statistics-related working papers presented at meetings of the Standing Committee on Tuna and Billfish (1987-2004), during the Scientific Committee of the Western and Central Pacific Fisheries Commission (2005 onwards) or other meetings, and OFP Internal Reports on a broad range of subjects.
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Lawson, T.A. Selectivity bias in grab samples and other factors affecting the analysis of species composition data collected by observers on purse seiners in the Western and Central Pacific Ocean. International Working Group Meeting on Tuna Purse-Seine and Baitboat Catch Species Composition Data Derived From Observer and Port Sampled Data, 15-19 June 2009, Sète, France.
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Report on the Second Tuna Data Workshop (TDW-2), 7-11 April 2008
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Lawson, T.A. Factors affecting the use of species composition data collected by observers and port samplers from purse seiners in the Western and Central Pacific Ocean. Working Paper ST-WP-3. Fourth Regular Session of the Scientific Committee of the Western and Central Pacific Fisheries Commission, 11-22 August 2008 Port Moresby, Papua New Guinea.
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Report on the First Tuna Data Workshop (TDW-1), 23-27 October 2006
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Lawson, T.A. Further analysis of the proportion of bigeye in yellowfin plus bigeye caught by purse seiners in the WCPFC Statistical Area. Working Paper ST IP-5. Third Regular Session of the Scientific Committee of the Western and Central Pacific Fisheries Commission, 13-24 August 2007, Honolulu, United States of America.
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Lawson, T.A. Scientific aspects of observer programmes for tuna fisheries in the Western and Central Pacific Ocean. Working Paper ST WP-1. Second Regular Session of the Scientific Committee of the Western and Central Pacific Fisheries Commission, 7-18 August 2006, Manila, Philippines.
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Lawson, T.A. Observer coverage rates and reliability of CPUE estimates for purse seiners in the Western and Central Pacific Ocean. Information Paper ST IP-3. Second Regular Session of the Scientific Committee of the Western and Central Pacific Fisheries Commission, 7-18 August 2006, Manila, Philippines.
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Lawson, T.A. Update on the proportion of bigeye in yellowfin plus bigeye caught by purse seiners in the Western and Central Pacific Ocean. Working Paper ST WP-3. First Regular Session of the Scientific Committee of the Western and Central Pacific Fisheries Commission, 8-19 August 2005, Noumea, New Caledonia.
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Lawson, T.A. Data-related tasks for the WCPFC Scientific Committee. Working Paper ST WP-2. First Regular Session of the Scientific Committee of the Western and Central Pacific Fisheries Commission, 8-19 August 2005, Noumea, New Caledonia.
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Lawson, T.A. & P.G. Williams. Comparison of the species composition of catches by purse seiners in the Western and Central Pacific Ocean determined from observer and other types of data. Working Paper ST WP-4. First Regular Session of the Scientific Committee of the Western and Central Pacific Fisheries Commission, 8-19 August 2005, Noumea, New Caledonia.
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Lawson, T.A. Observer coverage rates and reliability of CPUE estimates for offshore longliners in tropical waters of the Western and Central Pacific Ocean. Working Paper SWG-4. Seventeenth Meeting of the Standing Committee on Tuna and Billfish, 9-18 August 2004, Majuro, Marshall Islands.
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Lawson, T.A. Availability of observer data for estimating catches of non-target species by longliners in the Western and Central Pacific Ocean, with catch estimates for offshore fleets in tropical waters. Working Paper SWG-5. Seventeenth Meeting of the Standing Committee on Tuna and Billfish, 9-18 August 2004, Majuro, Marshall Islands.
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Williams, P. Preliminary review of data collection forms used in Philippines tuna fisheries. Working Paper SWG-7. Seventeenth Meeting of the Standing Committee on Tuna and Billfish, 9-18 August 2004, Majuro, Marshall Islands.
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Lawson, T.A. Information regarding anticipated data-related tasks for the WCPFC Scientific Committee. Working Paper SWG-6. Seventeenth Meeting of the Standing Committee on Tuna and Billfish, 9-18 August 2004, Majuro, Marshall Islands.
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Lawson, T. & A. Coan. Review of Korean catch and effort logsheets. Working Paper SWG-5. Sixteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 July 2003, Mooloolaba, Queensland, Australia.
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Lawson, T.A. Observer coverage rates and the accuracy and reliability of estimates of CPUE for offshore longline fleets targeting South Pacific albacore. Working Paper SWG-4. Sixteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 July 2003, Mooloolaba, Queensland, Australia.
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Lawson, T.A. Proposal for Monitoring the Catches of Highly Migratory Species in the Philippines and the Pacific Ocean Waters of Indonesia. Prepared for the Preparatory Conference for the Commission for the Conservation and Management of Highly Migratory Fish Stocks in the Western and Central Pacific.
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Lawson, T.A. Analysis of the proportion of bigeye in yellowfin plus bigeye caught by purse seiners in the Western and Central Pacific Ocean, based on observer data. Working Paper SWG-6. Sixteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 July 2003, Mooloolaba, Queensland, Australia.
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Williams, P. Current status of data available from the Indonesian and Philippines domestic tuna fisheries. Working Paper SWG-8. Fifteenth Meeting of the Standing Committee on Tuna and Billfish, 22-27 July 2002, Honolulu, Hawaii, United States of America.
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Lawson, T.A. Sampling the proportion of bigeye in the catch by purse seiners in the Western and Central Pacific Ocean. Working Paper SWG-5. Fifteenth Meeting of the Standing Committee on Tuna and Billfish, 22-27 July 2002, Honolulu, Hawaii, United States of America.
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Lawson, T., A. Coan & M. Hinton. Review of Taiwanese catch and effort logsheets. Working Paper SWG-4. Fifteenth Meeting of the Standing Committee on Tuna and Billfish, 22-27 July 2002, Honolulu, Hawaii, United States of America.
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Lawson, T.A., P.G. Willams, C. Millar & E. Schneiter. Data requirements of the SPC Oceanic Fisheries Programme and status of data. Internal Report N° 47.
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Lawson, T.A. Predation of tuna by whales and sharks in the western and central Pacific Ocean. Working Paper SWG-6. Fourteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 August 2001, Noumea, New Caledonia.
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Lawson, T. Methods for analysing bycatches with observer data. Working Paper SWG-10. Fourteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 August 2001, Noumea, New Caledonia.
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Millar, C. Classification of purse-seine effort by school association. Working Paper SWG-7. Fourteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 August 2001, Noumea, New Caledonia.
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Millar, C & P. Williams. Taiwanese distant-water longline catch characteristics with regard to albacore targeting. Working Paper SWG-11. Fourteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 August 2001, Noumea, New Caledonia.
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Lawson, T., S.-K. Chang, A. Coan & M. Hinton. Review of Japanese catch and effort logsheets. Working Paper SWG-5. Fourteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 August 2001, Noumea, New Caledonia.
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Lawson, T. Observer data held by the Oceanic Fisheries Programme covering tuna fishery bycatches in the western and central Pacific Ocean. Working Paper SWG-9. Fourteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 August 2001, Noumea, New Caledonia.
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Bigelow, K. Estimation of bigeye catches by purse seiners. Working Paper SWG-8. Fourteenth Meeting of the Standing Committee on Tuna and Billfish, 9-16 August 2001, Noumea, New Caledonia.
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