Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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The Effect of Temperature on Early growth of Ciona intestinalis (Ascidiacea, Phlebobranchia, Cionidae)

유령멍게 (Ciona intestinalis: Ascidiacea, Phlebobranchia, Cionidae)의 초기 성장에 미치는 온도의 영향

  • Kim, Dong Gun (Smith Liberal Arts College, Sahmyook University) ;
  • Park, Ju Un (Department of Life Science, Sahmyook University) ;
  • Kim, Dong Hyun (Department of Life Science, Sahmyook University) ;
  • Yoon, Tae Joong (Institute of Marine Life Resources, Sahmyook University) ;
  • Shin, Sook (Smith Liberal Arts College, Sahmyook University)
  • 김동건 (삼육대학교 스미스교양대학) ;
  • 박주언 (삼육대학교 생명과학과) ;
  • 김동현 (삼육대학교 생명과학과) ;
  • 윤태중 (삼육대학교 해양생명자원연구소) ;
  • 신숙 (삼육대학교 스미스교양대학)
  • Received : 2017.02.09
  • Accepted : 2017.03.09
  • Published : 2017.03.31
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Abstract

A native species to the European ocean, the tunicate Ciona intestinalis now appears worldwide, from sub-Arctic to tropical regions. C. intestinalis generally occurs as an opportunistic fouling organism on artificial substrates in harbors or aquaculture. This study focused on estimating the early growth pattern of C. intestinalis under various temperature conditions. Adults were collected from the Guryungpo harbour in November 2016, and their artificially inseminated eggs were used for the study. The growth of the C. intestinalis was investigated at 8 constant temperatures, ranging from $12^{\circ}C$ to $26^{\circ}C$, at 30 psu. Results indicate that the growth of C. intestinalis increased with increasing temperature. The growth was sluggish at $12^{\circ}C$, and decreased at $26^{\circ}C$. The optimal temperature for growth of C. intestinalis was therefore estimated to be between $20^{\circ}C$ and $24^{\circ}C$.

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References

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