한국환경보건학회지 (Journal of Environmental Health Sciences)

  • 제30권4호
  • /
  • Pages.347-351
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  • 2004
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  • 1738-4087(pISSN)
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  • 2233-8616(eISSN)
한국환경보건학회 (Korean Society of Environmental Health)
권호 표지

Sediment Toxicity Assessment in the Intertidal Flat Zone of the Middle West Coast of Korea

  • Hwang, G.S. (School of Civil and Environmental Engineering, Kunsan National University) ;
  • Dave, G. (Department of Applied Environmental Science, University of Goteborg) ;
  • Nilsson, E. (Department of Applied Environmental Science, University of Goteborg) ;
  • Kim, K. (School of Civil and Environmental Engineering, Kunsan National University)
  • 발행 : 2004.11.01
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초록

A battery of sediment bioassays was performed for the sediments from the intertidal flat zone along the middle west coast of Korea to assess their potential toxicity. In the bioassays, three crustaceans, Daphnia magna, Nitocra spines, and Hyalella aztec a were exposed to $16\%$ sediments (wet weight) collected from 14 sites. Immobility($\%$) was checked as an endpoint after 24- and 48-h exposure of Daphnia magna and after 96-h exposure of Hyalella azteca and Nitocra spines. Among the three bioassays, the 48-h Daphnia bioassay showed the most distinct differential sensitivity in relation to sediment contamination, while the Nitocra and the Hyalella bioassays failed to show the differential sensitivity properly among the sites classified as polluted. Significantly different levels of immobility ($\%$) were obtained between the sites classified as chemical/nutrient polluted and the sites classified as non-polluted in the Daphnia bioassays, but not in the Nitocra bioassay and the Hyalella bioassay. Some differences of toxic response to the same sediments among bioassays were observed, suggesting that there may be a chemical specificity of response sensitivity to sediment toxicity, due to differences in bio-availability of sediment toxicants among test species.

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참고문헌

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