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  • Fishing Gears and Methods
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  •   SEAFDEC/TD Institutional Repository (STIR)
  • 01 SEAFDEC/TD Publications
  • 05 Technical Publications and Reports on Fishing Technologies and Practices, and Navigations
  • Fishing Gears and Methods
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Overview of Tuna Purse Seine Fisheries by M.V.SEAFDEC in the Eastern Indian Ocean

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TDRES80_TunaPurseSeine.PDF (3.723Mb)
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Date
2003-07
Author
Kaewnuratchadasorn, Pattarajit
Laongmanee, Penchan
Arnupapboon, Sukchai
Sukramongkol, Natinee
Pradit, Siriporn
Rajruchithong, Sutee
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Abstract
Tuna purse seine surveys in the Eastern Indian Ocean have been conducted by MV SEAFDEC of the Training Department of SEAFDEC since 1993. There were 87 fishing operations. The total catches was 1,945.55 tons with average catch 6.53 tons/ fishing days. Catch composition was consisted of skipjack tuna, the most dominant specie caught at 65.56 %, followed by yellowfin tuna at 20.26%, bigeye tuna at 12.82% and other species at 1.36% respectively. The size range of skipjack tuna, yellowfin tuna and bigeye tuna were within range between 31-80, 20-136, 31-122 cm FL. The relative length-weight was determined using allometric equation for skipjack tuna (W=0.000006L3.3067), yellowfin tuna (W=0.00003L2.9175) and bigeye tuna (W=0.00001L3.1699)
URI
http://hdl.handle.net/20.500.12067/575
Subject
Tuna purse seine; Skipjack tuna; Yellowfin tuna; Bigeye tuna; Catch composition; Length frequency distribution; Length-weight relationship
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  • Fishing Gears and Methods [70]

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