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学科主题: Environmental Sciences
题名: Biodegradability of Atrazine, Cyanazine and Dicamba under methanogenic condition in three soils of China
作者: Gu, JG ; Fan, YZ ; Gu, JD
关键词: Atrazine ; Cyanazine ; degradation ; Dicamba ; enrichment culture ; herbicide ; methanogenic condition ; metabolic pathway
刊名: CHEMOSPHERE
发表日期: 2003
卷: 52, 期:9, 页:1515-1521
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanog, Guangzhou 510301, Peoples R China; Chinese Acad Sci, Shenyang Inst Appl Ecol, Key Lab Terr Ecol Proc, Shenyang 10015, Liaoning, Peoples R China; Univ Hong Kong, Dept Ecol & Biodivers, Lab Environm Toxicol, Hong Kong, Hong Kong, Peoples R China
项目归属: LED
摘要: Persistence and degradation of the herbicides Atrazine, Cyanazine and Dicamba were measured in laboratory microcosms incubated under methanogenic condition using three soils of China. Results showed that Atrazine was more resistant to degradation than Cyanazine and Dicamba for the 300 days of incubation. Between 30% and 40% of the initially introduced chemicals were found to be not recoverable through solvent extraction of the incubated soils. Our results also indicated that the half-life of these herbicides in the three soils generally followed: Atrazine > Cyanazine > Dicamba. Biodegradation of Cyanazine and Dicamba was further substantiated by establishing enrichment cultures in which the degradation of the respective herbicides could be accelerated by-the microorganisms. Our results suggest that biodegradation of xenobiotics can be established through enrichment culture transfer technique and non-extractability of chemicals should be taken into account in evaluation of chemicals' fate and risk. (C) 2003 Elsevier Ltd. All rights reserved.
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WOS记录号: WOS:000184563200022
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5549
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Gu, JG; Fan, YZ; Gu, JD.Biodegradability of Atrazine, Cyanazine and Dicamba under methanogenic condition in three soils of China,CHEMOSPHERE,2003,52(9):1515-1521
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文件名: Biodegradability of Atrazine, Cyanazine and Dicamba under methanogenic condition in three soils of China .pdf
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