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Estimation on the ecological effects of heavy metals in soil in Minhe-Haishiwan, Qinghai

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Authors:Xu Guang; Zhang Qiaoqiu; Ji Bingyan; Zhang Yafeng; Tang Junhong
Author Affiliations:Primary:
China University of Geosciences, School of Earth Sciences and Resources, Beijing, China
Other:
Qinghai Province Bureau of Geology and Mineral Exploration, China
Hangzhou University of Electronics, China
Volume Title:Xiandai Dizhi Geoscience
Source:Xiandai Dizhi = Geoscience, 25(5), p.1007-1012. Publisher: China University of Geosciences, Beijing, China. ISSN: 1000-8527
Publication Date:2011
Note:In Chinese with English summary. 16 refs.; illus., incl. 3 tables, sketch maps
Summary:In this paper, the pollution of anomalous elements in soil at Minhe-Haishiwan, Tibet, and its potential ecological hazards were evaluated quantitatively through the single factor pollution index, Nemerow pollution index, and Hakanson potential ecological risk index methods. Additionally, the ecological effect of the anomalous areas was also discussed. The results show that the pollution factors of heavy metals are in order of HgCdPb=Cr in the soil. The bioavailability of the anomalous elements follows the sequence of CdHgPb. The bioavailability of anomalous elements follows the sequence of CdHgPb. The potential ecological hazard of anomalous elements was as follows: HgCdPbCr. Although the concentration of anomalous elements in crops such as wheat and corn was far below the required food security limits, the pollution control situation was still severe due to the high potential ecological hazard of Hg and high bioavailability of Cd.
Subjects:Bioavailability; Chemical elements; Ecology; Environmental effects; Geochemical anomalies; Geochemistry; Heavy metals; Pollution; Soil pollution; Asia; China; Far East; Qinghai China; Haishiwan China; Minhe China; Nemerow pollution index
Coordinates:N360922 N360922 E1024511 E1024511
Record ID:710884-21
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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