Zhou, Tong; Wu, Longhua; Luo, Yongming
; Christie, Peter发表期刊ENVIRONMENTAL POLLUTION
ISSN0269-7491
2018-01
卷号232页码:514-522
关键词Metal pollutionParticulate organic matterHumic substancesFTIRFunctional groups
研究领域Environmental Sciences
DOI10.1016/j.envpol.2017.09.081
产权排序[Zhou, Tong; Wu, Longhua; Luo, Yongming; Christie, Peter] Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Jiangsu, Peoples R China; [Luo, Yongming] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China
作者部门海岸带环境过程实验室
英文摘要Soil particulate organic matter (POM) has rapid turnover and metal enrichment, but the interactions between organic matter (OM) and metals have not been well studied. The present study aimed to investigate changes in the OM concentration and composition of the POM fraction and their corresponding effects on metal distribution and extractability in long-term polluted paddy soils. Soil 2000 53 gm POM size fractions had higher contents of C-H and C=O bonds, C-H/C=O ratios and concentrations of fulvic acid (FA), humic acid (HA), cadmium (Cd) and zinc (Zn) than the bulk soils. Cadmium and Zn stocks in soil POM fractions were 24.5-27.9% and 7.12-16.7%, respectively, and were more readily EDTA-extractable. Compared with the control soil, the 2000-250 gm POM size fractions had higher organic carbon concentrations and C/N ratios in the polluted soils. However, there were no significant differences in the contents in C-H and C=O bonds or C H/C=O ratios of POM fractions among the control, slightly and highly polluted soils. In accordance with the lower contents of C=O bonds and FA and HA concentrations, the Cd and Zn concentrations in 250-53 gm POM size fractions were lower than those in 2000-250 gm POM size fractions. Enrichment of Cd in POM fractions increased with increasing soil pollution level. These results support the view that changes in the OM concentration and the size and composition of POM fractions play a key role in determining the distribution of Cd and Zn in paddy soils. (C) 2017 Published by Elsevier Ltd.
文章类型Article
资助机构National Natural Science Foundation of China [41325003]
收录类别SCI
语种英语
关键词[WOS]HEAVY-METALS; CONTAMINATED SOIL; AGRICULTURAL SOILS; SIZE FRACTIONS; ARABLE SOILS; PHYTOEXTRACTION; COPPER; CU; DECOMPOSITION; DYNAMICS
研究领域[WOS]Environmental Sciences & Ecology
WOS记录号WOS:000414881300055
引用统计被引频次：49[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/24407
专题中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
中科院海岸带环境过程与生态修复重点实验室
作者单位1.Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Jiangsu, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China
推荐引用方式
GB/T 7714Zhou, Tong,Wu, Longhua,Luo, Yongming,et al. Effects of organic matter fraction and compositional changes on distribution of cadmium and zinc in long-term polluted paddy soils[J]. ENVIRONMENTAL POLLUTION,2018,232:514-522.
APAZhou, Tong,Wu, Longhua,Luo, Yongming,&Christie, Peter.(2018).Effects of organic matter fraction and compositional changes on distribution of cadmium and zinc in long-term polluted paddy soils.ENVIRONMENTAL POLLUTION,232,514-522.
MLAZhou, Tong,et al."Effects of organic matter fraction and compositional changes on distribution of cadmium and zinc in long-term polluted paddy soils".ENVIRONMENTAL POLLUTION 232(2018):514-522.
PDF全文下载地址:
点我下载PDF
