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Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China
R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu; Wang Y(王洋)
2017
发表期刊Human and Ecological Risk Assessment
卷号23期号:6页码:1493-1504
摘要To investigate heavy metal accumulation in soils and evaluate health risk through maize consumption, a total of 196 soils and 55 maize samples were collected from Yushu, China, one of the most important maize production bases. The mean contents of Cd, Cr, Cu, Zn and Pb were 0.119, 56.51, 19.21, 70.58, and 34.42 mg kg(-1) for soils and were 0.014, 0.68, 1.33, 17.15 and 0.02 mg kg(-1) for maize, respectively. The contents of Cr, Cu, Zn and Pb in all soil and maize samples did not exceed safety thresholds, but the percentages of Cd content above guideline values of Chinese Environmental Quality Standards for Soil and maximum permissible limits for maize were 6.6% and 1.8%, respectively. The spatial distribution and correlation analysis suggested that Cr and Cu in soil were of lithogenic origin, while Zn and Pb were associated with coal combustion exhausts and chemical fertilizer application. The main source of Cd may be phosphate fertilizer application. The average target hazard quotients were all less than 1 and the average hazard index for adults was 0.065, indicating that there was not a potential health risk through maize.
DOI10.1080/10807039.2017.1327800
WOS记录号WOS:000407167900015
引用统计
文献类型期刊论文
条目标识符http://ir.iga.ac.cn/handle/131322/7646
专题湿地与全球变化学科组
通讯作者Wang Y(王洋)
推荐引用方式
GB/T 7714
R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu,Wang Y. Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China[J]. Human and Ecological Risk Assessment,2017,23(6):1493-1504.
APA R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu,&王洋.(2017).Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China.Human and Ecological Risk Assessment,23(6),1493-1504.
MLA R. Yu, Y. Wang, C. X. Wang, Y. Yu, Z. W. Cui and J. S. Liu,et al."Health risk assessment of heavy metals in soils and maize (Zea mays L.) from Yushu, Northeast China".Human and Ecological Risk Assessment 23.6(2017):1493-1504.
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