Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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Acute Toxicity of Four Pesticides on the Chinese Bleak (Aphyocypris chisnensis) Indigenous to Korea

국내 토착종인 왜몰개 (Aphyocypris chinensis)에 대한 4개 농약의 급성독성 생물검정

  • Lee, Sung-Kyu (Ecotoxicology Research Team, Korea Institute of Toxicology) ;
  • Yeom, Dong-Hyuk (Ecotoxicology Research Team, Korea Institute of Toxicology)
  • 이성규 (안전성평가연구소 생태독성연구팀) ;
  • 염동혁 (안전성평가연구소 생태독성연구팀)
  • Published : 2006.12.30
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Abstract

In this study, acute toxicity of four pesticides (diazinon, iprodione, fenproparthrin, and myclobutanil) to Chinese bleak, Aphyocypris chinensis, and to study their adverse effects were conducted in static systems. The 96-hr $LC_{50}$ values were determined, as well as 95% confidence limits. The 96-hr $LC_{50}$ values of these chemicals derived for Chinese bleak were rank ordered from the most toxic to the least toxic technicals as follows: Fenproparthrin (0.003 mg $L^{-1}$)>Myclobutanil (9.1 mg $L^{-1}$)>Diazinon (14.1 mg $L^{-1}$)>Iprodione (31.8 mg $L^{-1}$), The data presented in this study indicate the acute toxicity tests carried out on only one fish species may lead to erroneous determination of water quality criteria and classification of test chemicals for environmental management and regulatory purpose. Therefore, more studies comparing the susceptibility of a variety of fish species to various toxicants are needed.

본 연구에서는 국내 토착종인 왜물개 (Aphyocypris chinensis)을 사용하여 4가지 농약(diazinon, iprodione, fenpropathrin, myclobutanil)의 급성독성을 평가하기 위하여 지수식으로 독성실험을 실시하여 96-hr $LC_{50}$ 값과 95% 신뢰한계를 구하였다. 각 실험농약의 96-hr $LC_{50}$ 값을 비교하여 왜몰개에 대한 급성독성이 높은 순서를 정리한 결과는 Fenproparthrin (0.003 mg $L^{-1}$)>Myclobutanil (9.1 mg $L^{-1}$)>Diazinon (14.1 mg $L^{-1}$)>Iprodione (31.8 mg $L^{-1}$) 순으로 나타났다. 본 연구에서 사용된 4가지 농약에 대한 왜물개의 급성독성 값은 현재까지 보고된 다른 어종의 급성독성 값과 차이가 있었다. 그러므로 환경관리 및 규제목적으로 어류에 대한 급성독성실험 결과를 수질기준 또는 물질분류에 이용하기 위해서는 다양한 어류에 대한 급성독성 평가를 통하여 종합적 판단이 필요하다고 사료된다.

Keywords

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