Copper Acute Toxicity Tests with Schizothorax o'connori Lloyd and Schizothorax waltoni Regan: A Biomonitor of Heavy Metal Pollution in a High Altitude Area?

文献类型： 外文期刊

第一作者： Shao, Jian

作者： Shao, Jian;Xie, Congxin;Qin, Jianhui;Huo, Bin;Luo, Yangzhi;Shao, Jian

作者机构：

关键词： Schizothorax o'connori Lloyd;Schizothorax waltoni Regan;Acute toxicity;Copper;Biomonitor;High altitude area

期刊名称：BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY （ 影响因子：2.151； 五年影响因子：2.129 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： Fingerlings of two different Schizothorax species, S. o'connori Lloyd and S. waltoni Regan, were exposed to copper for 264 h in a series of static toxicity tests. The mortality rates of these two species increased as the exposure concentrations increased and the exposure time was prolonged. Estimated 96 h median lethal concentration (LC50) values were 0.31 and 0.28 mg/L for the two species, respectively. These findings indicated that fingerlings of these species were sensitive to copper, and that both species may be suitable for use as local biomonitors of copper pollution in the high altitude environment. However, S. waltoni may be more useful in indicating the safe concentrations of copper used in aquaculture for therapeutic purposes. Further quantitative studies with measured concentrations of copper are required to verify the results observed in the present study.

分类号： R99

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