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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

Karina Hacke Ribeiro ; Nerilde Favaretto ; Jeferson Dieckow ; Luiz Cláudio de Paula Souza ; Jean Paolo Gomes Minella ; Luciano de Almeida ; Michele Ribeiro Ramos

Revista Brasileira de Ciência do Solo, 01 April 2014, Vol.38(2), pp.656-668

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  • Título:
    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
  • Autor: Karina Hacke Ribeiro ; Nerilde Favaretto ; Jeferson Dieckow ; Luiz Cláudio de Paula Souza ; Jean Paolo Gomes Minella ; Luciano de Almeida ; Michele Ribeiro Ramos
  • Assuntos: Poluição Da Água ; Agricultura ; Nutrientes ; Microbacia
  • É parte de: Revista Brasileira de Ciência do Solo, 01 April 2014, Vol.38(2), pp.656-668
  • Descrição: 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 forest and permanent preservation area, and a larger drainage area. Water quality was also negatively affected by the presence of agriculture in the riparian zone. In the summer season, probably due to higher rainfall and intensive...
  • Idioma: Inglês

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