Abstract

Water samples were collected from the Tigris River and the Phragmites australis plant seasonally from both stations from August 2018 to April 2019 for the purpose of measuring the concentration of heavy elements (zinc, lead, nickel) in the water and parts of Phragmites australis (root, stem, leaves, fruits) separately. Results: The results showed an increase in the concentration of Zn water of 0.751 mg/L in summer for the second station, and an imperceptible decrease in the concentration of Pb and Ni in the spring for the first station.. The concentrations of heavy elements in the Tigris water followed the following descending sequence: Zinc> Lead> Nickel. The results also showed that there is a difference in the accumulation of heavy elements in the parts of Phragmites australis (root, stem, leaves and fruits), as it follows the descending sequence of the following elements: lead> zinc> nickel, and the plant Phragmites australis parts follow the descending order as follows: stem> fruits> leaves, so the first stop Less heavy metal contamination than second station.

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