PJB-2018-946
SPATIO-TEMPORAL VARIATIONS IN TRAFFIC RELATED ZINC POLLUTION AND ITS PHYTOMONITORING ALONG TWO ROADS IN THE PUNJAB, PAKISTAN
SUMREEN ANJUM
Abstract
This study was conducted to assess the extent of traffic related zinc pollution along two roads in Punjab, Pakistan by using native plant species i.e. Cenchrus cilliaris, Cynodon dactylon, Calotropis procera, Nerium oleander and Ricinus communis. The soil and leaf samples of selected plants from roadside were collected from five sites along each road for analysis and control samples were collected from a distance of ~50 meters. The data were recorded during all four seasons of a year and analyzed by using Atomic Absorption Spectrophotometer. The results showed higher Zn contents in roadside soil and plants as compared to control samples. Metal contents at N-5 were higher as than that of FOR. Among the seasons, the highest Zn concentration was recorded during summer and minimum during winter in both plants and soils. Furthermore, Ricinus communis accumulated maximum Zn than other plant species; therefore, it may be proposed as a suitable choice for phytomonitoring purposes.
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