期刊
JOURNAL OF GEOCHEMICAL EXPLORATION
卷 88, 期 1-3, 页码 220-223出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gexplo.2005.08.043
关键词
heavy metals; soil pollution; microbial; enzymatic activities
The soils most polluted by heavy metals are probably alluvial soils. One of them is the alluvium of the Litavka River. The heavy metal content was much higher in some cases than the threshold values, allowed by the Czech standards. The effect of soil contamination on enzyme activity is presented. Generally, the values of enzymatic activities were highest in the soil above the source of contamination and they decrease as they approach the source of contamination. All measured parameters were affected by heavy metal concentrations. Our results demonstrate that several parameters of microbial activity could be used as good indicators of increasing concentrations of Cd, Pb and Zn in soil. (c) 2005 Elsevier B.V All rights reserved.
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