Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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Heavy Metal Contents of Hemibarbus labeo in Andong and Imha Reservoirs

안동.임하호에 서식하는 누치(Hemibarbus labeo)의 중금속 함량

  • Shin, Myung-Ja (Department of Biological Science, Andong National University) ;
  • Park, Young-Mi (Department of Biological Science, Andong National University) ;
  • Lee, Jong-Eun (Department of Biological Science, Andong National University) ;
  • Seo, Eul-Won (Department of Biological Science, Andong National University)
  • 신명자 (안동대학교 자연과학대학 생명과학과) ;
  • 박영미 (안동대학교 자연과학대학 생명과학과) ;
  • 이종은 (안동대학교 자연과학대학 생명과학과) ;
  • 서을원 (안동대학교 자연과학대학 생명과학과)
  • Received : 2010.07.06
  • Accepted : 2010.08.03
  • Published : 2010.09.30
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Abstract

Heavy metal accumulation levels of inhabitant fish, Hemibarbus labeo in Andong and Imha reservoirs were analyzed using an inductively coupled plasma spectrometer and atomic absorption spectrometer. Heavy metal contents of H. labeo from Andong reservoir were higher than those from Imha reservoir. Likewise, relative high contents of As, Cd and Hg were detected in the tissues from Andong reservoir. Among the heavy metals, Al, As and Fe were detected with high concentration in the gill tissues but not in the muscle tissues. Also, the average content of Zn was almost similar in all tissues. In addition, high accumulated level of Al, Cr, Cu and Mn were detected in gill and kidney tissues of H. labeo from Andong reservoir. As a result, the heavy metal contents from the inhabitant fishes, H. labeo, in Andong reservoir showed higher than those in Imha reservoir. We propose that heavy metal contamination in water and in inhabitated fishes is caused from various metals derived from water and sediments in water environment of Andong reservoir.

안동호와 임하호에 서식하고 있고 누치(H. labeo)의 부위(아가미, 신장, 뼈, 비늘, 근육)에 따른 각 조직 내 중금속(Al, As, Cr, Cd, Hg, Pb, Cu, Fe, Mn, Zn) 함량을 측정하여 양호의 서식환경에 따른 누치의 부위별 중금속 축적량을 알아보고자 하였다. 안동호와 임하호에 서식하는 누치의 중금속 함량은 안동호에서 높았으며, As, Cd과 Hg은 함량의 차이가 컸다. Al, As와 Fe의 함량은 모두 아가미 조직에서 가장 높았고 근육 조직에서 가장 낮았으며, Zn 함량은 조사된 모든 부위에서 거의 동일한 수준을 보였다. 또한 Al, Cr, Cu와 Mn 함량은 임하호에 서식하는 누치에서 보다는 안동호에 서식하는 누치의 아가미와 신장 조직에서 높게 나타났다. 본 연구의 결과 안동호에 서식하는 누치가 임하호에 서식하는 누치보다 중금속 함량이 높았으며, 이는 안동호의 수질과 저니에서 중금속 함량이 높은 것으로 보아 수환경의 수질과 저니에 포함된 유기물을 어류가 먹이로 섭취함으로써 어류에서도 높은 함량을 보인 것으로 생각된다.

Keywords

References

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