Corrected catch histories and logbook accuracy for billfishes (Istiophoridae) in the Hawaii-based longline fishery

Walsh, William Arthur, 1954-; Bigelow, Keith; Ito, Russell Y.

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Corrected catch histories and logbook accuracy for billfishes (Istiophoridae) in the Hawaii-based longline fishery

Published Date:

2007

Series:

NOAA technical memorandum NMFS-PIFSC ; 13

[PDF-1.10 MB]

Details:

Personal Author:

Walsh, William Arthur, 1954- ; Bigelow, Keith ; Ito, Russell Y. ;

Corporate Authors:

Pacific Islands Fisheries Science Center (U.S.)

Description:

"This paper presents corrected catch histories, standardized catch rates, and evaluations of the accuracy of federally mandated commercial logbooks for billfishes (Istiophoridae: blue marlin, Makaira nigricans; striped marlin, Tetrapturus audax; shortbill spearfish, T. angustirostris; black marlin, M. indica; and sailfish, Istiophorus platypterus) taken as incidental catch by the Hawaii-based longline fishery. The study (March 1994-February 2004) was conducted because billfish misidentifications in logbooks caused by similarities in body size, shape, and coloration have long represented a major challenge in monitoring this fishery. The objective was to improve understanding of the composition and magnitude of incidental billfish catches."

Keywords:

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Document Type:

Technical Memorandum

Place as Subject:

Hawaii

Collection(s):

National Marine Fisheries Service (NMFS)

Main Document Checksum:

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Supporting Files:

No Additional Files

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