期刊
SOIL & SEDIMENT CONTAMINATION
卷 18, 期 3, 页码 320-327出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15320380902772646
关键词
Anthropogenic activities; contamination; marsh; toxicity
资金
- Spanish Science and Technology and Environmental Ministries [04212007, PCI2006-A7-0641]
Soils from four estuaries of SW Iberian Peninsula, affected by anthropogenic influence (urban, industrial and agricultural activities), were analyzed for the occurrence of a variety of metals and trace elements including Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, P, Pb, S and Zn. The soils presented very high levels of salinity (high concentrations of Na, K and Mg), organic matter and, consequently, of C and N concentrations. In contrast, very low values of CaCO3, Ca and P were found. In addition, it should be highlighted that in certain localities (Piedras 1 and 2 and Guadiana in Huelva, Spain, and Ria Formosa, Faro, Portugal) the concentrations of Pb, S and Zn were extremely high, reaching levels of pollution.
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