Concentration of selected heavy metals in soils of north central Iran
No information is currently available on heavy metal concentrations in soils of north central Iran. The objective of this research was to evaluate the total content of Pb, Ni and Zn, in soils around the city of Qom, Iran. A total of 189 composite surface soil samples (0-10cm) were taken from an area of about 900km<,2> in Qom province. There were significant differences in total concen trations of Pb, Zn, and Ni among different land uses. Zinc and Pb concentration was much higher in urban areas than in agricultural and uncultivated lands. Furthermore, the total Ni in agricultural lands was higher than that of urban and uncultivated areas. The mean concentration of the HMs studied is still within the acceptable range, although there are areas in all the three land uses where higher concentrations of heavy metals occur. No significant relationship was found between the total concentration of heavy metals and the soil pH and/or EC. The results showed that industrial, urban and agricultural activities have significantly increased the concentration of Pb, Zn and Ni in surface soils of the study region.
Lead Zinc Nickel Heavy Metals Spatial Variability
Movahedirad Z H. Khademi A. H. Khoshgoftarmanesh R. Schulin R. Chaney
Department of Soil Science and Agrochemistry, Rostov State University, 105, Bolshaya Sadovaya, Rosto Department of Soil Chemistry, Moscow State University, Vorobevi Gory, Moscow, 119899, Russia Institute of Terrestrial Ecology, ETH Zurich, Universitaetstr. 16, CH-8092 Zurich, Switzerland Agricultural Research Service, Environmental Management and By-Product Utilization Laboratory, Belts
国际会议
第九届痕量元素生物地球化学国际会议(9th International Conference on the Biogeochemistry of Trace Elements)
北京
英文
99-100
2007-07-15（万方平台首次上网日期，不代表论文的发表时间）