期刊论文详细信息
Química Nova
Relações da atividade agropecuária com parâmetros físicos químicos da água
Adriana Rosa Carvalho2  Flávio Henrique Mingante Schlittler1  Valdemar Luiz Tornisielo1 
[1] ,Universidade Estadual de GoiásAnápolis GO
关键词: water quality;    grazing;    agriculture;    limnology;    physic-chemical parameters;   
DOI  :  10.1590/S0100-40422000000500009
来源: SciELO
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【 摘 要 】

Water Quality Index (WQI) was used during summer and winter of 1994 and 1995 in the final section of Onça and Feijão streams, downstream Broa Reservoir (São Carlos/SP) to evaluate agricultural and catlleman effects. In Onça stream water quality was "acceptable" in winter and "inappropriate to conventional treatment" in the summer. In Feijão stream the water had an "excellent" quality in winter and "good" in the summer. A MANOVA (Multivariate Analysis of Variance) has used to discriminate seasons and streams. Correlation (p<0,05) among the variables was tested. Water temperature, turbidity, pH and fecal bacteria are highly correlated and can be one of the factors that cause WQI change by seasons.

【 授权许可】

CC BY-NC   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License

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