Temporal Variability of Trace Metal Evidence in Cupressus arizonica, Platanus orientalis, and Robinia pseudoacacia as Pollution-Resistant Species at an Industrial Site
2022
Isinkaralar, Kaan
Ambient air pollution in industrial areas is one of the significant problems increasing high emissions since the 1990s. Atmospheric trace metal deposition in the industrial estate has occurred, and some have shown toxic effects on humans and non-human biota. Tree bark and annual rings have been used as convenient biomonitors due to the highly absorbing capacity of several metals for passive samplers in recent decades. It gives information about the speciation of some pollutants and their transition between organs in the trees. Systematic differences in air pollution degrees can be recorded spatial or temporal by analyzing the annual rings of the trees. In this study, Cupressus arizonica, Platanus orientalis, and Robinia pseudoacacia have been selected as landscape trees to identify Al, Cr, and Mn pollution during the past 30 years in the urban environments of the İzmit, Türkiye. The widespread type of landscape species was compared to perform the deposition degree of several sites. Metal concentrations have been detected in the barks and wood due to the industrialization of the territory year-to-year. The study’s framework indicated that the applicability of Robinia pseudoacacia L. is the better choice for assessing the degree of atmospheric metal pollution, both historical and near-past, on local scales.
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