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Temporal-spatial trends in potentially toxic trace element pollution in farmland soil in the major grain-producing regions of China

文献类型：期刊论文

作者Shang, Erping2,3,4,5; Xu, Erqi2; Zhang, Hongqi2; Huang, Caihong1
刊名SCIENTIFIC REPORTS
出版日期2019-12-19
卷号9页码:14
ISSN号2045-2322
DOI10.1038/s41598-019-55278-5
通讯作者Xu, Erqi(xueq@igsnrr.ac.cn) ; Zhang, Hongqi(zhanghq@igsnrr.ac.cn)
英文摘要Pollution from potentially toxic trace elements (PTEs) is becoming serious and widespread in farmland soils in China, threatening food security and human health. Few large-scale studies systematically analyzed their temporal-spatial trends over vast spatially elaborate sites. The soil health status of the main grain producing areas was first announced based on a total of 3662 spatially elaborate farmland topsoil sites from the 1980s to the 2000s. Nearly 21.5% of sites were polluted, although only slightly. Pollution from the Cd, Ni, Cu, Zn, and Hg was more serious. Pollution was more extensive in the south than in the north. There was an increasing trend in the PTE concentrations, especially Cd with a growth of 21-25%, and in the proportion of mixed pollution at the sites (19.3%), Cd (21.5%), Pb (3.6%), Zn (5.7%), Cu (7.0%), and Hg (3.1%). Furthermore, temporal variations in severe Cd pollution and mixed-level Hg pollution in the north are severer. This study may provide guidance for policymakers regarding the protection and high-risk area of PTE contamination in the soils.
WOS关键词HEAVY-METAL POLLUTION ; HEALTH-RISK ASSESSMENT ; AGRICULTURAL SOILS ; SURFACE SOILS ; GEOSTATISTICAL ANALYSES ; STATISTICAL-ANALYSES ; SOURCE APPORTIONMENT ; MINING AREA ; PADDY SOILS ; MULTIVARIATE
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA20040201] ; Chinese Academy of Engineering Consulting Research Project[2016-ZD-10-2]
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000508841200002
出版者NATURE PUBLISHING GROUP
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Chinese Academy of Engineering Consulting Research Project
源URL[http://ir.igsnrr.ac.cn/handle/311030/131428]  
专题中国科学院地理科学与资源研究所
通讯作者Xu, Erqi; Zhang, Hongqi
作者单位1.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Beijing 100094, Peoples R China
4.Chinese Acad Sci, Aerosp Informat Res Inst, Beijing 100094, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Shang, Erping,Xu, Erqi,Zhang, Hongqi,et al. Temporal-spatial trends in potentially toxic trace element pollution in farmland soil in the major grain-producing regions of China[J]. SCIENTIFIC REPORTS,2019,9:14.
APA Shang, Erping,Xu, Erqi,Zhang, Hongqi,&Huang, Caihong.(2019).Temporal-spatial trends in potentially toxic trace element pollution in farmland soil in the major grain-producing regions of China.SCIENTIFIC REPORTS,9,14.
MLA Shang, Erping,et al."Temporal-spatial trends in potentially toxic trace element pollution in farmland soil in the major grain-producing regions of China".SCIENTIFIC REPORTS 9(2019):14.

入库方式： OAI收割

来源：地理科学与资源研究所

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