Paper Title:
The Spatial Distribution of Nutrient and Heavy Metals in Shouguang Reed Wetland Soil for Receiving Drainage
  Abstract

In this study, a survey for the spatial distribution of heavy metals in Shouguang reed wetland of China was conducted. Samples were collected from water and soil in two parts of the wetland: treatment wetland and natural wetland. The elements including K, Ca, Na, Mg, Al, Fe, As, Cr, Pb, Zn, Mn, Hg were analyzed. The changes of their contents along the flow direction were investigated and the contents in treatment wetland and natural wetland were compared. The data indicates that the contents of nutrient and heavy metals decrease along the flow direction. The soil in Shouguang is saline-alkali. The nutrient elements are enriched, while the heavy metals are in low concentrations. The content of the nutrient and heavy metal in treatment wetland is higher than that in natural wetland. The removal rate of the element is Fe(68.6%), Al(45.8%), K(44.7%), Na (25.7%), Ca(23.1%), Mg(22.8%), Pb(90.45%), Zn (87.83%), Cd(71.16%), Mn(56.75%), Cr(40%). The Hg and Cd are undetected. Contents of As, Cr, Pb ,Zn and Mn in soil are highest in top layer. With the depth increasing, the concentration of heavy metal decreases.

  Info
Periodical
Advanced Materials Research (Volumes 113-116)
Edited by
Zhenyu Du and X.B Sun
Pages
1230-1234
DOI
10.4028/www.scientific.net/AMR.113-116.1230
Citation
X. L. Lv, F. Ma, L. Wei, L. Wang, C. L. Pang, "The Spatial Distribution of Nutrient and Heavy Metals in Shouguang Reed Wetland Soil for Receiving Drainage", Advanced Materials Research, Vols. 113-116, pp. 1230-1234, 2010
Online since
June 2010
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$32.00
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