Effect of combined pollution by heavy metals on soil enzymatic activities in areas polluted by tailings from Pb-Zn-Ag mine.
Some enzymatic activities were determined in the areas polluted by tailings from Tiantai Pb-Zn-Ag Mine in Zhejiang Province of China. The results indicated the soil enzymatic activities decreased significantly with increase of concentrations of heavy metals or the distance away from mining tailing center, especially dehydrogenase and urease activities. Multivariate regression analysis between heavy metal contents and soil enzymatic activities indicated that single dehydrogenase activity was very significantly correlated to combined effect of soil heavy metals in mine area. Moreover, single urease, protease and acid phosphatase activities were significantly related to the combined effect of heavy metals. The results suggest it is feasible to use soil enzymatic activities to indicate the pollution situation by combined heavy metals in the soil of mine area.
Chen
Cheng-Li
CL
Department of Resources Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029, China.
Liao
Min
M
Huang
Chang-Yong
CY
D004798:Enzymes / Q000737:chemistry*; D007854:Lead / Q000737:chemistry*; D019216:Metals, Heavy / Q000032:analysis*; D008906:Mining; D012834:Silver / Q000737:chemistry*; D012989:Soil Pollutants / Q000032:analysis*; D015032:Zinc / Q000737:chemistry*
D004798:Enzymes; D019216:Metals, Heavy; D012989:Soil Pollutants; D007854:Lead; D012834:Silver; D015032:Zinc