Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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The fishing characteristics of Korean tuna purse seine fishery in the Pacific Ocean

태평양 수역 우리나라 다랑어선망어업의 어획특성

  • LEE, Mi Kyung (Fisheries Resources Management Division, National Fisheries Research and Development Institute) ;
  • LEE, Sung Il (Fisheries Resources Management Division, National Fisheries Research and Development Institute) ;
  • KIM, Zang Geun (Fisheries Resources Management Division, National Fisheries Research and Development Institute) ;
  • KU, Jeong Eun (Fisheries Resources Management Division, National Fisheries Research and Development Institute) ;
  • PARK, Hee Won (Fisheries Resources Management Division, National Fisheries Research and Development Institute) ;
  • YOON, Sang Chul (Fisheries Resources Management Division, National Fisheries Research and Development Institute)
  • 이미경 (국립수산과학원 자원관리과) ;
  • 이성일 (국립수산과학원 자원관리과) ;
  • 김장근 (국립수산과학원 자원관리과) ;
  • 구정은 (국립수산과학원 자원관리과) ;
  • 박희원 (국립수산과학원 자원관리과) ;
  • 윤상철 (국립수산과학원 자원관리과)
  • Received : 2015.08.03
  • Accepted : 2015.08.24
  • Published : 2015.08.31
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Abstract

Fishing trend and characteristics of Korean tuna purse seine fishery in the Pacific Ocean were investigated using logbook data compiled from captain onboard and the statistical data from 1980 to 2013. The historical catch of this fishery had sharply increased since mid-1980s, and it has shown fluctuations with about 2-3 hundred thousands, whereas the catch per number of vessel has steadily increased with fluctuations since commencing this fishery. As for the proportion of catch by set type, unassociated type had increased from the mid-1980s to the end of 1990s, and then has decreased up to 2010s. Associated type had decreased continually to the end of 1990s, however, it started to increase since the beginning of 2000s. As for the catch proportion of set type by main species, those of skipjack tuna and bigeye tuna showed higher in the associated type, whereas that of yellowfin tuna has the highest proportion in the unassociated type. Fishing distribution of Korean tuna purse seine fishery was concentrated on the area of $5^{\circ}N{\sim}10^{\circ}S$ and $140^{\circ}E{\sim}180^{\circ}$ through the decades. The monthly catch distribution by longitudinal zone of Korean tuna purse seine fishery expanded the most further to the eastward in September to October.

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