Distribution of Cd and Zn Levels in Soils and Acacia xanthophloea Benth. from Lake Nakuru National Park Kenya

摘要

Cadmium and zinc from anthropogenic sources in Lake Nakuru were investigated. High metal levels (mg/kg) in soils (Cd a parts per thousand currency sign 16.3 and Zn a parts per thousand currency sign 280) and Acacia xanthophloea (Cd a parts per thousand currency sign 32 and Zn a parts per thousand currency sign 310) were observed at polluted sites. Significant variations in metal values were evaluated using ANOVA (F test) and student's t test at p < 0.05 and metal correlations studied. High levels of metals in soils and unhealthy/dying Acacia were obtained at polluted sites. Significant positive correlation was obtained between Cd and Zn in soils and plants. Acacia sp are effective biomonitor of environmental quality in areas subjected to pollution.