Pollution Research Paper

Vol.32, Issue 03, 2013; Page No.(529-536)

ENVIRONMENTAL CYCLING AND BIOACCUMULATION OF TRACE ELEMENTS AROUND PAKKANADU, SALEM DISTRICT, TAMIL NADU, INDIA

B. UMA MAHESWARI A, S. SRINIVASALU A, V. RAM MOHAN B, C.LAKSHUMANAN CAND G.SANTHIYA

Abstract

Soil and plant samples were collected from Pakkanadu carbonatite complex and were analyzed to understand the mobility of certain trace elements (Ba, Cr, Co, Cu, Ni, Pb and Zn). Biological Concentration Factor (BCF), Translocation Factor (TF) and Biological Accumulation Coefficient (BAC) were calculated to understand the mobilization of trace elements into the plants of the study area. The trace element concentrations were analyzed in the common plants of the area viz Ocimum sanctum, Solanum nigrum, Catharanthus roseus, Curcuma longaand Punica granatum. The maximum concentrations of trace elements (Ba, Co, Cu, Ni, and Zn) were observed in Catharanthus roseus. The root of Catharanthus roseusand Curcuma longahad higher concentration of Ba. The results indicate the trace element concentrations in the plants of the study area exceed the permissible limit. The trace elements concentrations are authigenic and mainly accumulated in the roots of the plant. Each plant species has different bioaccumulation capacity with respect to elements.

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