Özet:

Cadmium (Cd) is an element that is toxic to living things at very low doses and it is one of the most important pollutants for the environment. Also, it is classified as a Type 1 carcinogen, and it has a long biological half-life so it is of great importance to monitor the change of Cd concentration in air. This study aimed to determine the variation of Cd concentrations in some plants depending on plant species, organs, and traffic density, evaluated to determine the most suitable species and organ. It can be used as a biomonitor in monitoring the change of Cd concentration. The scope of the study covered determining the variation of Cd concentration in organs of four different plants, Aesculus hippocastanum, Tilia tomentosa, Catalpa bignoides, and Ligustrum vulgare, respectively. These species were investigated depending on traffic density. From the result of the study, it was determined that Aesculus hippocastanum and Tilia tomentosa were the most suitable species to be used as biomonitors of Cd among the species.   Keywords: Air pollution; Biomonitor; Cadmium; Heavy metal; Traffic emissions.

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