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Vehicular stress a cause for heavy metal accumulation and change in physico-chemical characteristics of road side soils in Pahalgam
Ist Teil von
Environmental monitoring and assessment, 2018-06, Vol.190 (6), p.353-10, Article 353
Ort / Verlag
Cham: Springer International Publishing
Erscheinungsjahr
2018
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
In an effort to determine vehicular impact on soil quality, soil samples were collected from three different zones (Pahalgam, Batakote, and Chandanwari) in Pahalgam forest ecosystem. Results showed that a significant decrease in moisture content, organic carbon, available nitrogen, and potassium was observed in nearby road side soils. However, pH was observed to be on neutral side and available phosphorus recorded high concentration. The concentration of heavy metals Pb
2+
, Cu
2+
, Zn
2+
, Ni
2+
, and Cd
2+
estimated was also significantly high. Furthermore, concentration of Pb
2+
at high vehicular load subzones was observed to be highest (1.168 mg/Kg) followed by Zn
2+
(0.896 mg/Kg), Ni
2+
(0.649 mg/Kg), Cu
2+
(0.415 mg/Kg), and Cd
2+
(0.079 mg/Kg). An inter-zone analysis revealed that the concentration of the heavy metals (Pb
2+
> Ni
2+
> Cd
2+
) was observed to follow the trend, Z-I > Z-II > Z-III. Variation along the temporal gradient and the impact on soil qualities were notably higher in summer. Vehicular pollution to a great extent impacts physico-chemical characteristics and more interestingly adds substantial concentration of heavy metals in soils.