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题名Ecological and health risk assessment of trace elements in surface soil in an arid region of Xin Jiang, China
作者
发表日期2021-02-01
发表期刊Journal of Soils and Sediments
ISSN/eISSN1439-0108
卷号21期号:2页码:936-947
摘要

Purpose: Trace element pollution in soil has become an increasingly common issue and potentially harms the environment and human health. In this study, the contamination levels and ecological and health risk indices of trace elements in surface soils in Bai Cheng, Xin Jiang, were investigated in order to examine if the land usage changed from pasture to agriculture has influenced the behaviours of these trace elements. Material and methods: In this study, descriptive analysis, normality test, the Tukey-HSD method and non-parametric methods were used to investigate the characteristics of trace elements. The geo-accumulation pollution and ecological risk indices were used to analyse the degree of contamination by trace elements. Correlation and principle analyses were used to identify the sources of trace elements and a health risk assessment was used to analyse human exposure to trace elements of the soil. Results and discussion: Cadmium was the main pollutant in the 0–5 cm soil layer in both agricultural and pastoral areas. Thus, it contributed most to the Geo-Accumulation Index (Igeo) and the comprehensive potential ecological risk index (RI) of the surface soils. The levels of RI for the topsoil layer of agricultural areas fell into moderate to high (II-III) ecological risk categories, and those of pastoral areas belonged to low to moderate risk categories (I-II). Both values of Igeo and RI of the surface soils in agricultural areas were higher than in pastoral areas. The carcinogenic risk of Cr through hand-to-mouth intake and the total risk of trace elements in soils for humans were higher than the safety reference level. Chromium was the greatest contributor to total carcinogenic risk. Conclusions: Trace element concentration levels in surface soils in pastoral areas were relevant to geochemical characteristics and atmospheric deposition, whereas trace element concentration levels in surface soils in agricultural areas were derived not only from geochemical characteristics but also from human activities. The change in land use from pasture to agriculture increased the trace element concentration level in surface soils. There were both ecological risks and human health implications for residents exposed to such contaminants of soils in the studied region.

关键词Agricultural and pastoral areas China Ecological and health risk Soil Trace element Xin Jiang
DOI10.1007/s11368-020-02812-y
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收录类别SCIE
语种英语English
WOS研究方向Environmental Sciences & Ecology ; Agriculture
WOS类目Environmental Sciences ; Soil Science
WOS记录号WOS:000584956700001
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://repository.uic.edu.cn/handle/39GCC9TT/948
专题理工科技学院
通讯作者Yang, Lin sheng
作者单位
1.Key Laboratory of Land Surface Pattern and Simulation,Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing,11 A Datun Road,100101,China
2.Centre for Environment and Population Health,Griffith University,Nathan,170 Kessel Road,4111,Australia
3.School of Medicine,Griffith University,Nathan,170 Kessel Road,4111,Australia
4.University of Chinese Academy of Sciences,Beijing,100049,China
5.Beijing Normal University–Hong Kong Baptist University United International College,Zhuhai,2000 Jintong Road, Tangjiawan,China
推荐引用方式
GB/T 7714
Tudi, Muyesaier,Ruan, Huada,Wei, Bingganet al. Ecological and health risk assessment of trace elements in surface soil in an arid region of Xin Jiang, China[J]. Journal of Soils and Sediments, 2021, 21(2): 936-947.
APA Tudi, Muyesaier., Ruan, Huada., Wei, Binggan., Wang, Li., Tong, Shuangmei., .. & Yang, Lin sheng. (2021). Ecological and health risk assessment of trace elements in surface soil in an arid region of Xin Jiang, China. Journal of Soils and Sediments, 21(2), 936-947.
MLA Tudi, Muyesaier,et al."Ecological and health risk assessment of trace elements in surface soil in an arid region of Xin Jiang, China". Journal of Soils and Sediments 21.2(2021): 936-947.
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