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The occurrence of microplastics in farmland and grassland soils in the Qinghai-Tibet plateau: Different land use and mulching time in facility agriculture
Feng, Sansan1,2; Lu, Hongwei2; Liu, Yunlong1
2021-06-15
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume279Pages:8
Corresponding AuthorLu, Hongwei(luhw@igsnrr.ac.cn)
AbstractMicroplastic (MP) pollution in the environment has aroused great concern. However, our knowledge of MP abundance and distribution in soil environment is scarce. This work investigated the MPs in the farmland and grassland at a remote area of China, namely, the eastern area of the QinghaieTibet Plateau (QTP). The average numbers of MPs were 53.2 ? 29.7 and 43.9 ? 22.3 items/kg in shallow and deep soil, respectively, from 35 soil samples. A remarkable difference in MP abundances was observed among soil samples from mulch farmland, greenhouses, farmland without covering, and grassland. The MPs were mostly in the form of a film and transparent in color in this study. The dominant polymers of MPs in the soil samples were polyester (PE) and polypropylene (PP). This study revealed the characteristics of MP distribution among different land use at the QTP, and MPs may stem from the fragmentation of plastic mulch in farmland soil. Notably, MP abundance increased with the increase in mulching time in facility agriculture. Additionally, human disturbances and increased mulching time in facility agriculture promote the fragmentation of soil MPs. This study provides important data for follow-up research on MPs in a plateau terrestrial ecosystem. 0 2021 Elsevier Ltd. All rights reserved.
KeywordMicroplastics Soil Facility agriculture Remote areas Tibetan plateau
DOI10.1016/j.envpol.2021.116939
WOS KeywordKNOWLEDGE GAPS ; WATER ; POLLUTION ; CONTAMINATION ; ENERGY ; DRIVEN ; RIVERS
Indexed BySCI
Language英语
Funding ProjectSecond Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK1003] ; National Natural Science Foundation of China[41890824] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20040301] ; National Key Research and Development Project[2017YFC0405900] ; CAS Interdisciplinary Innovation Team[JCTD2019-04]
Funding OrganizationSecond Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Key Research and Development Project ; CAS Interdisciplinary Innovation Team
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000647790400019
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/162962
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLu, Hongwei
Affiliation1.North China Elect Power Univ, Sch Renewable Energy, Beijing 102206, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Feng, Sansan,Lu, Hongwei,Liu, Yunlong. The occurrence of microplastics in farmland and grassland soils in the Qinghai-Tibet plateau: Different land use and mulching time in facility agriculture[J]. ENVIRONMENTAL POLLUTION,2021,279:8.
APA Feng, Sansan,Lu, Hongwei,&Liu, Yunlong.(2021).The occurrence of microplastics in farmland and grassland soils in the Qinghai-Tibet plateau: Different land use and mulching time in facility agriculture.ENVIRONMENTAL POLLUTION,279,8.
MLA Feng, Sansan,et al."The occurrence of microplastics in farmland and grassland soils in the Qinghai-Tibet plateau: Different land use and mulching time in facility agriculture".ENVIRONMENTAL POLLUTION 279(2021):8.
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