Distribution characteristics of available trace elements in soil from a reclaimed land in a mining area of north Shaanxi , China

被引:0
|
作者
Li Zhanbin [1 ,2 ]
Zhang Qinling [1 ,3 ]
Li Peng [1 ]
机构
[1] Xian Univ Technol, Key Lab Northwest Water Resources & Environm Ecol, Xian 710048, Shaanxi, Peoples R China
[2] Chinese Acad Med Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dry Land Farming Loess, Yangling 712100, Shaanxi, Peoples R China
[3] Soil & Water Conservat Bur Shaanxi Prov, Xian 710042, Shaanxi, Peoples R China
关键词
Available trace element; Reclaimed land; Reclamation time; Treatment measure; Mining area;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Through field and laboratory tests we studied the temporal and spatial variation in the soil content of four available trace elements:copper (Cu), iron (Fe), manganese (Mn) and zinc (Zn), to analyze their distribution characteristics in reclaimed mining land under different reclamation conditions. The available trace elements content varied considerably with different land reclamation patterns. Extended reclamation time was helpful for the recovery of the available trace element content in the soil, and after more than eight years of soil reclamation, the content of available trace elements was closer to or greater than that in soil under natural conditions. Various treatment measures significantly influenced the content and distribution of available trace elements in the soil, and reasonable artificial treatments, including covering the soil and growing shrubs and herbaceous plants, increased the content of available trace elements.
引用
收藏
页码:65 / 75
页数:11
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