| 太湖及辽河流域表层沉积物中拟除虫菊酯的浓度水平及毒性评估 |
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| 引用本文： | 方淑红,陈鹏,卞京娜,钟文珏,祝凌燕.太湖及辽河流域表层沉积物中拟除虫菊酯的浓度水平及毒性评估[J].环境科学学报,2012,32(10):2600-2606. |
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| 作者姓名： | 方淑红 陈鹏 卞京娜 钟文珏 祝凌燕 |
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| 作者单位： | 教育部环境污染过程与基准教育部重点实验室,天津市城市生态环境修复与防治重点实验室,南开大学环境科学与工程学院,天津300071 |
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| 基金项目： | 国家水体污染控制与治理科技重大专项(No.2012ZX07529-003);国家自然科学基金(No.21077060);环保公益项目(No.201009026) |
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| 摘 要： | 对辽河和太湖流域表层沉积物中8种常见的拟除虫菊酯:联苯菊酯、高效氯氟氰菊酯、氯菊酯、甲氰菊酯、氟氯氰菊酯、氯氰菊酯、氰戊菊酯、溴氰菊酯进行分析测定.结果显示,太湖流域中拟除虫菊酯含量范围为0.02～2.91ng·g-1(干重,下同),平均含量为0.63ng.g-1,处于相对较低的水平;辽河流域中的含量相对较高,其范围是0.14～19.6ng·g-1,平均含量为6.20ng·g-1.采用毒性单元TU(选用钩虾Hyallela Azteca的LC50)对拟除虫菊酯毒性风险进行估算,太湖流域∑TU值范围是0～0.40,相比之下,辽河流域的∑TU值高出很多,范围在0.10～1.73之间,其中有3个点位的∑TU值大于1,表明其具有一定的生态风险,其毒性主要来源于氯氰菊酯和氰戊菊酯.
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| 关 键 词： | 拟除虫菊酯 太湖 辽河 沉积物 毒性单元 |
| 收稿时间： | 2011/12/30 0:00:00 |
| 修稿时间： | 3/7/2012 12:00:00 AM |
Levels and toxicity assessment of pyrethroids in the surface sediments of Taihu Lake and Liaohe River |
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| FANG Shuhong,CHEN Peng,BIAN Jingn,ZHONG Wenjue and ZHU Lingyan.Levels and toxicity assessment of pyrethroids in the surface sediments of Taihu Lake and Liaohe River[J].Acta Scientiae Circumstantiae,2012,32(10):2600-2606. |
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| Authors: | FANG Shuhong CHEN Peng BIAN Jingn ZHONG Wenjue and ZHU Lingyan |
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| Institution: | Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071;Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071;Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071;Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071;Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071 |
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| Abstract: | |
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| Keywords: | pyrethroids Taihu Lake Liaohe River sediments toxic units |
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