Developmental Delay Effect of Harpacticoid Copepod, Tigriopus japonicus s.l. Exposure to 4-tert-octylphenol

4-tert -octylphenol에 노출된 저서성 요각류 Tigriopus japonicus s.l.의 발생지연 현상

  • Bang, Hyun-Woo (Division of Marine Technology, Chonnam National University) ;
  • Lee, Won-Choel (Department of Life Science, Hanyang University) ;
  • Kwak, Inn-Sil (Division of Marine Technology, Chonnam National University)
  • Published : 2008.06.30

Abstract

The ecotoxicological effects of 4-tert-octylphenol were observed on Harpacticoid copepoda Tigriopus japonicus s.l. gathered and cultured from tidal pool of Korean coast. There were no significant differences in survival rate (except 10 $\mu$g/L; 70.00%) and sex ratio (except 30 $\mu$g/L) on T. japonicus s.l. exposed to 4-tert-octylphenol. However, 4-tert-octylphenol induced developmental delay (copepodite emergence day and adult male mergence day) and retardation of first brooding day of adult female. Moreover the body size and biomass decreased at 4-tert-octylphenol exposure. As a result, detailed life-cycle research of T. japonicus s.l. may yield potential bioindicators for environmental monitoring and assessment.

Keywords

References

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