出版社：International Academy of Ecology and Environmental Sciences
摘要：The present study describes concentrations of five metals (Cd, Cu, Pb, Ni and Cr) contaminations in Bilaspur city by analysis of three roadside plants (Calotropis procera, Butea monospermae and Saraca asoca). Samples of leaves and topsoil were collected just before the monsoon in May 2015 and analysed for the heavy metal content. Sequences of the concentration of heavy metals deposited on leaf surface in foliar dust and those accumulated in leaf were at the same order: Pb>Cu>Cd>Ni>Cr. However, the concentrations of metals in topsoil were at order of Ni>Cu>Pb>Cd>Cr, respectively. Calotropis procera showed highest capacity to accumulate target heavy metals in terms of their magnitude. Moreover, the order of accumulation of target heavy metals in different plant species studied was Calotropis procera>Saraca asoca>Butea monospermae. The deposition of heavy metals in plant leaves was attributed mainly due to heavy vehicular traffic. The present study clearly indicates that these plant species have biomonitoring potential and can be employed to prevent heavy metal pollution.
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