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이재우(Jaewoo Lee),문예련(Ye Ryeon Moon),윤준헌(Junheon Yoon),최경희(Kyunghee Choi),한진석(Jin Seok Han),류지성(Jisung Ryu) 환경독성보건학회 2010 환경독성보건학회지 Vol.25 No.3
Neocaridina denticulata is a small freshwater shrimp indigenous to Korea. As an indigenous species has long-adapted to particular water environments, the species can be a suitable indicator to assess environmental risks caused by hazard chemicals in the particular site. Thus Neocaridina denticulata, a small freshwater shrimp indigenous to Korea, is worth considering for a test species for such purpose. N. denticulata were exposed to pentachlorophenol sodium salt, sodium azide and potassium dichromate using automatic flow-through system for 96 hours. The 96 nr lethal concentrations (LC??) of these chemicals were calculated as 0.53±0.09 ㎎/ℓ, 2.40±0.61 ㎎/ℓ and 1.21±0.09 ㎎/ℓ respectively and showed relatively small deviation from repetitive test results. When compared with the toxicity values of other species for each chemical. N. denticulata had moderate or high sensitivity to the toxicity of these chemicals. It can be concluded that N. denticulata is a good test species to evaluate acute toxicity of various hazardous chemicals.