WATER QUALITY IN WATERSHEDS WITH DIFERENT VEGETAL COVER IN SOUTHERN ESPIRITO SANTO STATE, BRAZIL

被引:10
|
作者
Almeida Bertossi, Ana Paula [1 ]
Cecilio, Roberto Avelino [2 ]
Neves, Mirna Aparecida [3 ]
Garcia, Giovanni de Oliveira [4 ]
机构
[1] Univ Fed Espirito Santo, Programa Posgrad Prod Vegetal, Ctr Ciencias Agr, Alegre, ES, Brazil
[2] Univ Fed Espirito Santo, Dept Engn Florestal, Ctr Ciencias Agr, Alegre, ES, Brazil
[3] Univ Fed Espirito Santo, Dept Geol, Ctr Ciencias Agr, Alegre, ES, Brazil
[4] Univ Fed Espirito Santo, Dept Agr Engn, Ctr Ciencias Agr, Alegre, ES, Brazil
来源
REVISTA ARVORE | 2013年 / 37卷 / 01期
关键词
Principal component analysis; Soil coverage; Water quality; LAND-USE; RIVER; INDEX; PARAMETERS;
D O I
10.1590/S0100-67622013000100012
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
The objective of this work was to evaluate the quality of surface water and groundwater in watersheds characterized by different vegetal cover: pasture, forest and coffee crops. It was developed a water quality index by using the analysis of the main components, which provided the reduction of 13 quality features into two components that explained 91.2% of the total variance. Surface water and groundwater of the watersheds were suitable for human consumption after conventional treatment over the studied period, except the groundwater of watershed covered with pasture in the dry season.
引用
收藏
页码:107 / 117
页数:11
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