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人工底泥对除草剂生物有效性的影响 被引量：1

Influence of artificial sediment on bioavailability of herbicides on algae
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摘要 以StompSC(有效成分为二甲戊灵)和Hora FloSC(有效成分为异丙隆)2种除草剂为供试药剂,以栅藻(Sencedesmus subspicatus)为非目标生物,建立了一种在水/底泥系统内检测农药生物有效性的方法.除草剂在该系统内的吸附程度比预测的低.除草剂的生物有效性主要取决于其极性,亲脂性的二甲戊灵被人工底泥强烈吸附,因而对水藻的生物有效性低.此外生物有效性还可能与水中是否存在可溶性有机碳(DOC)有关. A method for testing the bioavailability of pesticides in water/sediment system was established using two herbicides, namely StompSC (available component pendimethalin) and Hora FloSC (available component isoproturon), as testing medicaments, and Sencedesmus subspicatus as non-target organism. Adsorption degree of the herbicides in the system was lower than that predicted. Bioavailability of the herbicides was mainly determined by their polarities. The lipophilic pendimethalin was strongly adsorbed by the artificial sediment; thus, holding low bioavailability on the algae. In addition, the bioavailability might be related to the existance of dissolved organic carbon (DOC) in water.
作者 李少南 Staelher M Pestemer W
机构地区 浙江大学农药与环境毒理研究所 联邦农业与林业生物学研究中心植物保护生态毒理与生态化学研究所 联邦农业与林业生物学研究中心(BBA)植物保护生态毒理与生态化学研究所
出处 《中国环境科学》 EI CAS CSCD 北大核心 2004年第4期433-436,共4页 China Environmental Science
基金 农业部中德农业科技合作项目(No.2001/2002-1)
关键词 二甲戊灵 异丙隆 栅藻 人工底泥 生物有效性 pendimethalin isoproturon Sencedesmus subspicatus artificial sediment bioavailibility
分类号 X171.5 [环境科学与工程—环境科学]
  • 相关文献

参考文献16

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同被引文献16

  • 1马爱军,周立祥,何任红.有机物料水溶性有机物对草萘胺生态毒性影响的研究[J].农业环境科学学报,2004,23(5):1021-1024. 被引量：1
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  • 3Hoke R A,Kosian P A,Ankley G T,et al.Check studies with Hyalella azteca and Chironomus tentans in support of the development of a sediment quality criterion for dieldrin[J].Environ Toxicol Chem,1995,14(3):435-443.
  • 4Gensemer R W,Dixon D G,Greenberg B M.Amelioration of the photoinduced toxicity of polycyclic aromatic hydrocarbons by a commercial humic acid[J].Ecotox Environ Safe,1998,39(1):57-64.
  • 5OECD.Guideline for testing of chemicals No.219.Sediment-Water Chironomid Toxicity Test Using Spiked Water[S].1984.
  • 6OECD.Guideline for testing of chemicals No.202.Daphnia sp.,Acute Immobilisation Test and Reproduction Test[S].1984.
  • 7蔡道基.化学农药环境安全评价试验准则[M].北京:国家环保总局,2004:26-29.
  • 8PAN Pesticides Database[DB/OL]//http://pesticideinfo.org/,2008 -06-13/2011-11-18.
  • 9IUPAC Pesticide Properties Database[DB/OL]//http://sitem.herts.ac.uk/aeru/iupac/,2010-11-12/2011-11-18.
  • 10Adriana C Bejarano,G Thomas Chandler,Alan W.Decho.lnfluence of natural dissolved organic matter(DOM)on acute and chronic toxicity of the pesticides chlorothalonil,chlorpyrifos and fipronil on the meiobenthic estnarine copepod Amphiascus tenuiremis[J].Journal of Experimental Marine Biology and Ecology,2005,321:43-57.

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中国环境科学
2004年 第4期

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