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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Inter-annual occurrence variation of the large jellyfish Nemopilema nomurai due to the changing marine environment in the East China Sea

동중국해에서 해양환경 변화에 따른 노무라입깃해파리의 연간 출현 변동 파악

  • Yoon, Eun-A (Department of Fisheries Science, Chonnam National University) ;
  • Cha, Cheol-Pyo (Department of Fisheries Education, Pukyong National University) ;
  • Hwang, Doo-Jin (Division of Marine Technology, Chonnam National University) ;
  • Yoon, Yang-Ho (Division of Marine Technology, Chonnam National University) ;
  • Shin, Hyeong-Ho (Division of Marine Technology, Chonnam National University) ;
  • Gwak, Du-Seong (Division of Marine Technology, Chonnam National University)
  • 윤은아 (전남대학교 수산과학과) ;
  • 차철표 (부경대학교 수해양산업교육과) ;
  • 황두진 (전남대학교 해양기술학부) ;
  • 윤양호 (전남대학교 해양기술학부) ;
  • 신형호 (전남대학교 해양기술학부) ;
  • 곽두성 (전남대학교 해양기술학부)
  • Received : 2012.05.09
  • Accepted : 2012.07.26
  • Published : 2012.08.31
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Abstract

The Nemopilema nomurai a very large jellyfish that has been found in the East China Sea and is now are migrating to Korea and Japan. To investigate the occurrence of N. nomurai based on the changing marine environment of the East China Sea, we conducted field survey in the early summer from 2006-2008. We observed the marine environment using CTD and the occurrence of N. nomurai using FMT and bottom trawling. We caught the most N. nomurai in 2007 and the fewest in 2008 and environment factors influencing its are more sensitive temperature than salinity. Large quantities of N. nomurai with a small bell diameter were caught in 2007 and large individuals with a significant bell diameter were caught in 2008. This appeared which between the catch and bell diameter of N. nomurai had (-) correlation (R=-0.988, p=0.098). Meanwhile, the spatial distribution of N. nomurai concentrations in lower salinity mixed seawater inflow in Changjiang Diluted Water.

Keywords

References

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