Document Type : Research Paper
Authors
1 PhD Scholar, Department of Environment, Faculty of Agriculture and Natural Resources, Tabriz Branch, Islamic Azad University, Tabriz, Iran
2 Professor, Department of Environment, Faculty of Marine Science and Technology, North Tehran Branch, Islamic Azad University, Tehran, Iran
3 Assist. Professor, Department of Environment, Faculty of Agriculture and Natural Resources, Tabriz Branch, Islamic Azad University, Tabriz, Iran
Abstract
The Caspian Sea is important in terms of environment and monitoring of biological pollutants due to its long coastlines and commercial activities of the industrial port of agriculture and tourism. Identifying marine environmental pollutants is the first step to rebuilding and protecting this valuable ecosystem. The purpose of this study was to determine the amount of Polychlorinated biphenyls in sediments and Barnacles of Anzali and Caspian ports in Guilan province, Iran. Therefore, Barnacle and sediment samples were collected in 2 stations whit 3 replications in Anzali and Caspian ports by VanVeen Grab sampler in summer according to the life cycle of Barnacles. After preparation and drying with freeze dryer, after analysis, it was read by gas chromatography. The highest concentration of PCBs in Barnacles in Anzali station was related to isomers PCB-81 & PCB-77 and the lowest was related to isomers PCB-114 and PCB-156. The highest concentration of PCBs in Barnacles in Caspian station was related to isomers PCB-28 and PCB-77 and the lowest was related to isomers PCB-114 & PCB-153. The highest PCB concentration in sediment in Anzali and Caspian ports was recorded similarly for isomers PCB-52 & PCB-28 and the lowest was related to isomers PCB-114 and PCB-156.
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