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Quality of surface water related to land use: a case study in a catchment with small farms and intensive vegetable crop production in southern Brazil Rev. Bras. Ciênc. Solo
Ribeiro,Karina Hacke; Favaretto,Nerilde; Dieckow,Jeferson; Souza,Luiz Cláudio de Paula; Minella,Jean Paolo Gomes; Almeida,Luciano de; Ramos,Michele Ribeiro.
Water degradation is strongly related to agricultural activity. The aim of this study was to evaluate the influence of land use and some environmental components on surface water quality in the Campestre catchment, located in Colombo, state of Parana, Brazil. Physical and chemical attributes were analyzed (total nitrogen, ammonium, nitrate, total phosphorus, electrical conductivity, pH, temperature, turbidity, total solids, biological oxygen demand, chemical oxygen demand and dissolved oxygen). Monthly samples of the river water were taken over one year at eight monitoring sites, distributed over three sub-basins. Overall, water quality was worse in the sub-basin with a higher percentage of agriculture, and was also affected by a lower percentage of native...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Water pollution; Agriculture; Nutrients; Micro watershed.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000200030
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