Risk Assessment of Heavy Metal Pollution in Soil-Plant System of Collapsed Coal Mining Area

WANG Bing; LU Rong; GUO Cui-hua; ZHANG Meng-Ying; DONG Xiang-yu; YUE Qing-ling

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Risk Assessment of Heavy Metal Pollution in Soil-Plant System of Collapsed Coal Mining Area

更新时间：2024-11-07

- Risk Assessment of Heavy Metal Pollution in Soil-Plant System of Collapsed Coal Mining Area
- Vol. 25, Issue 3, (2011)
- 作者机构：
  
  山西大学环境与资源学院,太原,0300012. 河南科技学院资源与环境学院,河南,新乡,453003
- 作者简介：
- 基金信息：
- DOI：
  CLC： S154.4X53
- Published：2011
- 稿件说明：
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WANG Bing, LU Rong, GUO Cui-hua, et al. Risk Assessment of Heavy Metal Pollution in Soil-Plant System of Collapsed Coal Mining Area[J]. 2011, 25(3).
DOI：

WANG Bing, LU Rong, GUO Cui-hua, et al. Risk Assessment of Heavy Metal Pollution in Soil-Plant System of Collapsed Coal Mining Area[J]. 2011, 25(3). DOI：

摘要

以山西省太原市西峪煤矿的采煤塌陷区为试验地

进行了荞麦的施肥试验

并对采煤塌陷区土壤及植物中Cu、Pb、Zn、Cd等重金属的含量进行了测定

探讨了不同施肥条件下荞麦对重金属的吸收作用

用单因子指数法评价了荞麦收获期土壤重金属含量水平

富集系数法讨论了植物对重金属的富集程度

最后用Hakanson生态风险指数法对土壤潜在的生态风险进行了评价。研究结果表明:试验区的土壤Cd含量和Pb含量高于山西省土壤背景值

Cu和Zn低于背景值;成对T检验结果表明荞麦花期和收获期的4种重金属含量均有显著差异(P<0.05)

说明植物在后期对重金属的富集效果明显

尤其对Pb、Cd;单因子指数法表明塌陷区土壤中除Cd超标外

其他元素均达标

土壤潜在风险指数RI为95.73～441.72

主要的污染贡献因子为Cd

即土壤Cd污染是造成西峪煤矿采煤塌陷区土壤重金属污染潜在风险的主要影响因素。

Abstract

The contents of Cu

Cd and other heavy metals in soil and plant were investigated in the experiment field planted by buckwheat with different fertilization in the collapsed coal mining area located in Xiyu

Taiyuan.The heavy metal absorption by buckwheat under different fertilization modes was discussed.Single factor index method was used for evaluating soil quality

bio-accumulating coefficient for discussing metals enrichment by plants

and Hakanson ecological risk index method on soil potential for eco...

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