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Regional distribution of organochlorinated pesticides in pine needles and its indication for socioeconomic development
Xu DD(徐殿斗); Zhong WK(仲维科); Chai ZF(柴之芳); Mao XY(毛雪瑛); Xu, DD; Zhong, WK; Deng, LL; Chai, ZF; Mao, XY
刊名CHEMOSPHERE
2004
卷号54期号:6页码:743-752
关键词hexachlorocyclohexane (HCH) DDT pine needle HCB gross domestic product (GDP)
学科分类Environmental Sciences & Ecology
DOI10.1016/j.chemosphere.2003.08.022
通讯作者Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Analyt Tech, Beijing 100039, Peoples R China ; Beijing Polytech Univ, Environm & Energy Dept, Beijing 100022, Peoples R China
文章类型Article
英文摘要The regional distribution of 10 potentially harmful organochlorinated pesticides (OCPs) was investigated in pine needles from 18 sites in six Chinese regions. The OCPs concentrations in six regions were as follows: SigmaHCH (SigmaHCH= alpha- + beta- + gamma- + delta-HCH), 4.7-51.5 ng/g; SigmaDDT (p,p'-DDT+p,p'-DDE+p,p'-DDD), 0.9-30.9 ng/g; hexachlorobenzene (HCB), 1.1-5.3 ng/g; Sigmachlordane (cis-chlordane + trans-chlordane), no detected-4.3 ng/g, on dry weight basis. Samples from southeast Chinese area contained the highest concentrations of SigmaHCH, EDDT and Echlordane, while the contamination levels of most OCPs in southwest Chinese area were the lowest. The ratios of alpha/gamma-HCH (ranged from 1.7 to 5) were observed to be noticeable increase from north to south China, and the ratio of 1.7 revealed the presence of the recent use of lindane in north Chinese area. The significant decrease of the sum concentrations of alpha- + gamma-HCH from mid-1980s to the present and the strong correlation between alpha-, beta-, gamma-, delta-HCH (r = 0.87-0.98, n = 18, p < 0.05) indicated the main usage of the technical HCH in history in China. The p, p'-DDE/p, pLDDT ratios of <1 revealed the new input of p, p'-DDT in south, southeast and southwest Chinese areas, which could be partly contributed to the new use of impure dicofol. Economic development will leave its mark in the environment, however, its impact on the input and distribution of OCPs on a regional scale is unknown. We attempted to use the socioeconomic index (gross domestic product (GDP) per capita) to explain the distribution and input of OCPs and found that HCB and SigmaDDT seemed to be linked to the economic development, while no relationship of HCH was observed. DDE% of SigmaDDT also showed a negative correlation with the GDP per capita. (C) 2003 Elsevier Ltd. All rights reserved.
类目[WOS]Environmental Sciences
研究领域[WOS]Environmental Sciences & Ecology
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语种英语
WOS记录号WOS:000187745000007
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238404
专题院士_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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Xu DD,Zhong WK,Chai ZF,et al. Regional distribution of organochlorinated pesticides in pine needles and its indication for socioeconomic development[J]. CHEMOSPHERE,2004,54(6):743-752.
APA 徐殿斗.,仲维科.,柴之芳.,毛雪瑛.,Xu, DD.,...&Mao, XY.(2004).Regional distribution of organochlorinated pesticides in pine needles and its indication for socioeconomic development.CHEMOSPHERE,54(6),743-752.
MLA 徐殿斗,et al."Regional distribution of organochlorinated pesticides in pine needles and its indication for socioeconomic development".CHEMOSPHERE 54.6(2004):743-752.
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