Sediment quality assessment in agricultural areas in the Bom Retiro/SC
DOI:
https://doi.org/10.6008/CBPC2179-6858.2020.003.0008Keywords:
Sediment quality, Heavy metals, Agricultural productionAbstract
The municipality of Bom Retiro/SC is characterized by intense agricultural activity. These activities can impact natural resources, due to the use of pesticides and fertilizers that may contain metals, causing several environmental effects. With this study, we aim to characterize the sediments of agricultural areas influenced by agricultural activities in the municipality of Bom Retiro/SC. For significant representation of the area, sediment collections were carried out at 25 points directly influenced by agriculture. The heavy metals cadmium (Cd), copper (Cu), chromium (Cr), iron (Fe), nickel (Ni), lead (Pb) and zinc (Zn) were used by high atomic absorption spectrometry continuous source resolution (ARFC EAA). Surface sediments exposed to Cu, Cr, Fe, Ni, Pb and Zn, but all points are located by CONAMA Resolution n. 454/2012 as level 1.
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