Investigation on Heavy Metals Concentrations and Determination of Their Relations with Soil Properties around Hashtrood Town, East Azerbaijan Province

Subject Areas : environmental management

Azita Behbahaninia ¹ , Ramin Salmasi ²

1 - Assistant Professor of environmental, Islamic azad university, Roudehen branch, Iran *(Corresponding Author)
2 - Member of the Science Board, Agricultural and Natural Resource Centre, Tabriz, East Azerbaijan

Received: 2011-07-09 Accepted : 2011-12-10 Published : 2016-06-21

Keywords: Heavy Metals, cluster analysis, Environment, Soil Properties,

Abstract :

Background and Objective: Arsenic pollution in Hashtrood city was reported. Primary experiments of the stream water samples showed several times concentrations than standard. Total Contents of heavy metal in the soils of polluted villages of Hashtrood city and determining the relationships of these metals and soil properties are the goals of this research.  Method: After field investigations and the soil sampling and analysis of soil physic-chemical properties and heavy metals, correlation coefficients and cluster analysis of data were determined. Findings: Cu with OC and Al, Cr, and Mn with clay percentages of soil samples had positive correlation. Five main clusters were determined with cluster analysis that were in agreement with correlation coefficients. Discussion and Counclusion: Low range of the soil pHs causes low correlation between soil heavy metals and pH. Selective adsorption of Cu by soil organic component is the reason of high correlation of this metal with soil organic matter. Positive correlations between clay and OC of the soil samples with some metals, indicate that these 2 soil components with metals fixing, reduce their release into environment. Other researches are necessary to determine geology and anthropogenic sources of these metals.    

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