Abstract
This study was designed to monitor the ambient air pollution in several sites within Baghdad City of Iraq. The readings started from May 2016 to April 2017. The highest concentration of sulfur dioxide (SO2) was 2.28 ppmm-3 while nitrogen dioxide (NO2) was 3.68 ppmm-3 and suspended particulate matter was 585.1 ?gm-3. This study also included estimating the value of the air pollution tolerance index (APTI) for four plant's species Olea europaea L., Ziziphus spina-Christi (L.) Desf, Albizia lebbeck(L.) Benth. and Eucalyptus camaldulensis Dehnh. Were cultivated on the road sides. The study includes four biochemical parameters, total chlorophyll content, ascorbic acid content, pH and relative water content of plant leaves. The results show that combining variety of these parameters give more certain results than those of single parameter. These four estimated parameters have positive correlation with each other and with the values of the air pollution tolerance index in all plants studied.
Highlights
Plants are very important in maintaining ecological balance by creating a healthy and clean environment for human life
The physiological parameters were used such as the concentration of ascorbic acid [4], the concentration of the total chlorophyll content of the leaves [5], the pH of the plant extract [6], and the relative water content of the leaves [7]
The content of ascorbic acid was measured by [14] and chlorophyll content[15] and pH by [16] and relative water content according to [17] in the plant's species leaves under study
Summary
Plants are very important in maintaining ecological balance by creating a healthy and clean environment for human life. They are the major centers of oxygen in the respiratory system of the globe. The regional damage of the air pollution problem in local plant species is one of the major environmental issues. The climatic conditions, physiological and chemical properties of air pollutants and their duration in the atmosphere have a significant impact on the life of surrounding plants and animals [2]. When plants are exposed to air pollutants. The physiological parameters were used such as the concentration of ascorbic acid [4], the concentration of the total chlorophyll content of the leaves [5], the pH of the plant extract [6], and the relative water content of the leaves [7]
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