Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Changes in Availability of Tuna Species Due to ENSO Events in the Pacific Ocean

태평양 ENSO 현상에 따른 다랑어 이용도 변화

  • AN Doo-Hae (National Fisheries Research & Development Institute) ;
  • MOON Dae-Yeon (National Fisheries Research & Development Institute) ;
  • KOH Jeong-Rack (National Fisheries Research & Development Institute) ;
  • CHO Kyu-Dae (Department of Oceanography, Pukyong National University) ;
  • PARK Yeong-Chull (National Fisheries Research & Development Institute)
  • Published : 2003.08.01
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Abstract

This paper describes the relationship between the distribution of tuna and ENSO events in the Pacific Ocean which have occurred on a regular basis of 3-5 year terms. Annual catches and catch ratios of skipjack Funa, Katswonus pelamis and yellowfin tuna, Thunnus albacares largely increased during El $Ni\~{n}o$ years, while it decreased during La $Ni\~{n}a$ years. However, the effect of El $Ni\~{n}o$ on the distribution of tuna seemed to be more significant to yellowfin tuna which usually occurr the upper thermocline depth increases due to the elevated thermocline in the Western and Central Pacific Ocean.

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References

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