عنوان مقاله [English]
Natural and artificial forests absorb air pollutants and reduce pollution in addition to wood production. This study investigated the role of Polchahr forestation region in Kermanshah was investigated in reducing pollution due to petrochemical industry and also the effect of zinc and chromium on physiological characteristics and growth of Pinus eldarica Medw. and Cupressus Sempervirens L. The plantation area in Petrochemicals factory (infected site) and a plantation area around Petrochemicals (control site) were designated for the study. Results showed that the concentration of the two elements in roots and stems of both species in the infected site were significantly higher than the control site. Also in the area infested with the two elements, the shoot and root lengths of Pinus eldarica Medw. species decreased significantly compared to the control area while in Cupressus sempervirens L. only root length in the contaminated area was significantly difference from the control areas. Moreover, results showed that in the infected area, total chlorophyll, and proline and sugar contents in the leaves of the Pinus eldarica Medw. and Cupressus sempervirens L. species were significantly different compared to the disinfected area. In general, reduction in the pollution with zinc and chromium was more in Pinus eldarica Medw. than in Cupressus sempervirens
Askary M., Noori, M., Biegi, F., and Amini, F. (2012). Evaluation of the phytoremediation of Robinia pseudoacacia L. in petroleum- contaminated soils with emphasis on the some heavy metals. Journal of Cell and Tissue (JCT). 2(4): 437-442.
Bacon, J.R. and Dinev, N.S. (2005). Isotopic characterization of lead in contaminated soils rom the vicinity of a non-ferrous metal smelter near Plovdiv. Bulgaria. Environment Pollution. 134:247–255.
Bates, L.S., Waldren, R.P. and Teare. I.D. (1973). Rapid determination of free proline for water-stress studies. Plant and Soil. 39(1):205-207.