ISWC OpenIR  > 水保所科研产出--SCI  > 2017--SCI
Response of soil dissolved organic matter to microplastic addition in Chinese loess soil
Liu, Hongfei1,3; Yang, Xiaomei1,4; Liu, Guobin1,2; Liang, Chutao1,2; Xue, Sha1,2; Chen, Hao4; Ritsema, Coen J.4; Geissen, Violette4,5; Xue, S (reprint author), Chinese Acad Sci & Minist Water Resources, State Key Lab Soil Eros & Dryland Arming Loess Pl, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China.
文章类型Article
2017
发表期刊CHEMOSPHERE
ISSN0045-6535
通讯作者邮箱xuesha100@163.com
卷号185页码:907-917
摘要Plastic debris is accumulating in agricultural land due to the increased use of plastic mulches, which is causing serious environmental problems, especially for biochemical and physical properties of the soil. Dissolved organic matter (DOM) plays a central role in driving soil biogeochemistry, but little information is available on the effects of plastic residues, especially microplastic, on soil DOM. We conducted a soil-incubation experiment in a climate-controlled chamber with three levels of microplastic added to loess soil collected from the Loess Plateau in China: 0% (control, CK), 7% (M1) and 28% (M2) (w/w). We analysed the soil contents of dissolved organic carbon (DOC), dissolved organic nitrogen (DON), NH4+, NOT, dissolved organic phosphorus (DOP), and PO43- and the activities of fluorescein diacetate hydrolase (FDAse) and phenol oxidase. The higher level of microplastic addition significantly increased the nutrient contents of the DOM solution. The lower level of addition had no significant effect on the DOM solution during the first seven days, but the rate of DOM decomposition decreased in M1 between days 7 and 30, which increased the nutrient contents. The microplastic facilitated the accumulation of high-molecular weight humic-like material between days 7 and 30. The DOM solutions were mainly comprised of high molecular-weight humic-like material in CK and Ml and of high-molecular-weight humic-like material and tyrosine-like material in M2. The Microplastic stimulated the activities of both enzymes. Microplastic addition thus stimulated enzymatic activity, activated pools of organic C, N, and P, and was beneficial for the accumulation of dissolved organic C, N and P. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Microplastic Dissolved Organic Carbon (Doc) Dissolved Organic Nitrogen (Don) Dissolved Organic Phosphorus (Dop) Excitation-emission Matrix (Eem)
学科领域Environmental Sciences & Ecology
DOI10.1016/j.chemosphere.2017.07.064
URL查看原文
收录类别SCI
出版地OXFORD
语种英语
WOS记录号WOS:000408597300103
出版者PERGAMON-ELSEVIER SCIENCE LTD
项目资助者Natural Science Foundation of China [41371510]; West Young Scholars Project of the Chinese Academy of Sciences [XAB2015A05]; EU Horizon 2020 project [ISQAPER: 635750] ; Natural Science Foundation of China [41371510]; West Young Scholars Project of the Chinese Academy of Sciences [XAB2015A05]; EU Horizon 2020 project [ISQAPER: 635750]
引用统计
文献类型期刊论文
条目标识符sbir.nwafu.edu.cn/handle/361005/7917
专题水保所科研产出--SCI_2017--SCI
通讯作者Xue, S (reprint author), Chinese Acad Sci & Minist Water Resources, State Key Lab Soil Eros & Dryland Arming Loess Pl, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China.
作者单位1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
3.Northwest A&F Univ, Coll Forestry, Yangling 712100, Shaanxi, Peoples R China
4.Wageningen Univ, Soil Phys & Land Management, POB 47, NL-6700 AA Wageningen, Netherlands
5.Univ Bonn, Inst Crop Sci & Resources Conservat INRES, D-53115 Bonn, Germany
6.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
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GB/T 7714
Liu, Hongfei,Yang, Xiaomei,Liu, Guobin,et al. Response of soil dissolved organic matter to microplastic addition in Chinese loess soil[J]. CHEMOSPHERE,2017,185:907-917.
APA Liu, Hongfei.,Yang, Xiaomei.,Liu, Guobin.,Liang, Chutao.,Xue, Sha.,...&Xue, S .(2017).Response of soil dissolved organic matter to microplastic addition in Chinese loess soil.CHEMOSPHERE,185,907-917.
MLA Liu, Hongfei,et al."Response of soil dissolved organic matter to microplastic addition in Chinese loess soil".CHEMOSPHERE 185(2017):907-917.
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