Standardized CPUE for distant-water fleets targeting South Pacific albacore

"Longline catch and effort series represent the principal indices of relative abundance within the south Pacific albacore MULTIFAN-CL assessment. However, there have been temporal changes in the catchability of the distant-water longline fisheries, some of which are associated with changes in the species targeted. For example, since 1975 the entire Japan distant-water fleet and a large portion of the Korea fleet have changed the geographic area fished and the configuration of the longline gear by increasing the number of hooks between floats, in order to target yellowfin and bigeye tuna...The objective of this study was to: 1) incorporate operational data into the CPUE analysis in addition to data provided vessels landing at the canneries (Pago Pago and Levuka), 2) statistically disaggregate albacore and bigeye tuna targeting operations and 3) apply traditional GLMs to the albacore targeted fishery to estimate relative abundance indices for assessment"--Introduction. Keith Bigelow, Simon Hoyle. "WCPFC-SC5-2009/SA-WP-5." System requirements: Adobe Acrobat Reader. Includes bibliographical references (pages 5-6). 2009 NMFS (National Marine Fisheries Service) PIFSC (Pacific Islands Fisheries Science Center) Library Public Domain 1862