SUMMARY

The standardized CPUEs for blue shark and shortfin mako caught by the Japanese tuna longline fishery in the Atlantic Ocean were updated using filtered logbook data during 1971-2006 for blue shark and 1994-2006 for shortfin mako whose reporting rates were more than 80%. Blue shark CPUE shows some flu...

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Bibliographic Details
Main Author: Hiroaki Matsunaga
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
shortfin mako
CPUE
longline fishery
Bleue
Requin taupe
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.516.1393
http://www.iccat.int/Documents/CVSP/CV064_2009/no_5/CV0640501677.pdf
Description
Summary:The standardized CPUEs for blue shark and shortfin mako caught by the Japanese tuna longline fishery in the Atlantic Ocean were updated using filtered logbook data during 1971-2006 for blue shark and 1994-2006 for shortfin mako whose reporting rates were more than 80%. Blue shark CPUE shows some fluctuations and relatively stable trends during the past three decades for North, South and whole Atlantic stock hypotheses. Shortfin mako CPUE indicates decreasing trend until 2001 but after then recovery to the level at beginning is observed. RÉSUMÉ Les CPUE standardisées du requin peau bleue et du requin taupe bleue capturés par la

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