2014
DOI: 10.1590/s0100-06832014000200030
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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

Abstract: SUMMARYWater 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 … Show more

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Cited by 24 publications
(26 citation statements)
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“…One of the main problems is the fact that the riparian vegetation in the study area is scarce or absent (Erechim, 2011). The presence of riparian forest is linked to water supply volume and quality (Ribeiro et al, 2014), and lack of vegetation could promote pollution.…”
Section: Discussionmentioning
confidence: 99%
“…One of the main problems is the fact that the riparian vegetation in the study area is scarce or absent (Erechim, 2011). The presence of riparian forest is linked to water supply volume and quality (Ribeiro et al, 2014), and lack of vegetation could promote pollution.…”
Section: Discussionmentioning
confidence: 99%
“…El ACP revela que los sitios influenciados por suelos agrícolas tienen una mayor carga de materia orgánica, al presentar los valores más altos de DBO 5 , color y coliformes, y la mayor concentración de nitratos, nitritos, nitrógeno amoniacal, nitrógeno total, ortofosfatos y fósforo total. Las zonas agrícolas suelen permitir una mayor erosión de suelos, lo que puede favorecer el ingreso de materia orgánica de la cuenca de captación y, como consecuencia, incrementar la DBO 5 y los nutrientes en el curso de los ríos, como lo han detectado Egler et al, (2012) y Ribeiro et al (2014); además, en este estudio, debido a que se incorporó a las zonas pecuarias dentro de la zonas agrícolas, el aumento de coliformes en éstas puede atribuirse a la actividad pecuaria. Por otra parte, los sitios con influencia urbana presentaron mayor conductividad, alcalinidad, dureza y concentración de cloruros.…”
Section: Discussionunclassified
“…Furthermore, there are reasons to believe that the current agricultural practice in the E watershed can significantly modify the ion balance at all channel orders and therefore affect the Sp.C (e.g., [61]). The very high Sp.C values measured prior to breakup (e.g., Figure 6 at Site E2) are particularly intriguing.…”
Section: Conductivitymentioning
confidence: 99%