The jungle cover and water quality in the Jucu river basin, state of Espírito Santo, Brazil
DOI:
https://doi.org/10.14808/sci.plena.2016.010201Keywords:
Jucu river watershed, forest cover, water qualityAbstract
The remaining wood fragments of Atlantic Jungle, undoubtedly influence the water quality of the rivers draining of. Aiming to analyze the percentage of forest cover and human impacts on water quality parameters and than compare them with the respect Resolution CONAMA 357/2005, have been studied two sub-basins: Formate river and river Jucu South Arm, in which Jucu river Watershed belongs. To support the discussion used the IQA CETESB and ArcGIS 9.3 software to design the spatial database. The results state that the Jucu River (South Arm) with 68% forest cover showed a water quality index "good" in all points and the format with 41% forest cover between "regular" and "bad." Also noteworthy is that the variables presented above the limit established by CONAMA Resolution 357/2005 were BOD5, Ptotal, total N and thermotolerant coliforms mainly in the sub-basin of the river Jucu, representing anthropogenic pollution. Finally,The study seeks to address the influence of the external environment on the quality of water, emphasizing the importance of wood cover as a means of watershed protection, and thus prioritize their water security.
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