Journal of the Korean Society of Marine Environment & Safety (해양환경안전학회지)

The Korean Society of Marine Environment and safety (해양환경안전학회)
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The Bioconcentration of Naphthalene in Tissues of Juvenile Olive flounder, Paralichthys olivaceus

넙치(Paralichthys olivaceus) 치어조직의 나프탈렌(Naphthalene) 생물농축

  • Lee, Kyoung-Seon (Department of Environmental Engineering and Biotechnology, Mokpo National Maritime University) ;
  • Ryu, Hyang-Mi (West Sea Fisheries Research Institute, National Fisheries Research and Development Institute)
  • 이경선 (목포해양대학교 환경.생명공학과) ;
  • 류향미 (국립수산과학원 서해수산연구소)
  • Received : 2012.08.03
  • Accepted : 2012.12.27
  • Published : 2012.12.31
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Abstract

Polycyclic aromatic hydrocarbons (PAHs) such as naphthalene, are released into the aquatic environment and have been identified as endocrine effects on marine organisms. Naphthalene makes up the highest fraction of PAHs in oil and shows the strong toxicity to aquatic organisms. I analyzed 24h-median lethal concentration (24h-$LC_{50}$) for juvenile olive flounder Paralichthys olivaceus to study the acute toxicity of naphthalene. Bioconcentrations in the gill, liver, kidney and muscle of olive flounder were analyzed after to 6 naphthalene concentrations of 0, 1000, 1800, 3200, 5600 and 10000 ${\mu}g/L$. Olive flounder has 24h-$LC_{50}$ value of 2410.76 ${\mu}g/L$ in Large group, and 2230.67 ${\mu}g/L$ in Samll group. Naphthalene concentration was varied with tissues. The concentrations of naphthalene were much higher in liver and kidney than in gill and muscle.

나프탈렌(Naphthalene)과 같은 다환방향족탄화수소류(Polycyclic aromatic hydrocarbons, PAHs)는 수계에 유입되어 해양생물들에게 영향을 미치게 된다. 나프탈렌은 유류속의 PAHs 내에서 함량이 가장 높으며, 독성이 강하다. 본 연구에서는 대조구(0 ${\mu}g/L$), 1000, 1800, 3200, 5600, 10000 ${\mu}g/L$의 6개 나프탈렌 농도구를 설정하고 넙치 치어에 대한 나프탈렌의 24시간 반수치사농도(24h-$LC_{50}$)을 구했으며, 아가미, 간, 신장, 근육내의 나프탈렌 농도를 분석하였다. 넙치 치어의 24h-$LC_{50}$은 Large 그룹에서 2410.76 ${\mu}g/L$, Small 그룹에서 2230.67 ${\mu}g/L$을 나타내었다. 각 조직에서의 나프탈렌 농도는 간 및 신장에서 아가미 및 근육보다 높았다.

Keywords

References

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