Carolina Hortêncio Malheiros, E. L. Hardoim, Zoraidy Marques de Lima, R. Amorim
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Qualidade da água de uma represa localizada em área agrícola (Campo Verde, MT, Brasil)
In this study spatial and temporal variations in limnological characteristics of a dam located in one of the headwaters of the Sao Lourenco River (Campo Verde, MT) were evaluated. The surrounding area is used for soybeans cultivation, corn, cotton, and pasture. We examined biotic (heterotrophic bacteria and chlorophyll a) and abiotic factors (precipitation, air and water temperature, electrical conductivity, dissolved oxygen, pH, turbidity, total phosphorus, nitrite, nitrate, and ammonia nitrogen) at three sampling sites along the longitudinal axis of the water body, and at three depths (at the surface, the Secchi depth, and at the sediment-water interface). Samples were taken bimonthly during 2010. Spearman correlation analysis was used to examine the relationship between biotic and
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