نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشجوی دکترا، گروه علوم و مهندسی محیط‌زیست، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران
2 استاد، گروه محیط‌زیست، دانشکده علوم و فنون دریایی، واحد تهران شمال، دانشگاه آزاد اسلامی، تهران، ایران
3 استادیار، گروه علوم و مهندسی محیط زیست، دانشکده کشاورزی و منابع طبیعی، واحد تبریز ، دانشگاه آزاد اسلامی، تبریز، ایران
چکیده
دریای کاسپین به دلیل داشتن خطوط ساحلی طویل و فعالیت‌های تجاری، بندری، صنعتی، کشاورزی و گردشگری از نظر محیط‌زیستی و پایش آلاینده‌های زیستی دارای اهمیت است. شناخت عوامل آلاینده محیط‌زیست دریایی نخستین گام جهت بازسازی و صیانت از این بوم‌سازگان با ارزش است. هدف از این پژوهش تعیین میزان بی‌فنیل‌های پلی‌کلره PCB)) در رسوبات و بار ناکل بندر انزلی و بندر کاسپین در استان گیلان بود. نمونه‌های بار ناکل و رسوب در دو ایستگاه و با سه تکرار در بنادر انزلی و کاسپین به‌وسیله نمونه‌بردار رسوب گراب وین ون در فصل تابستان با توجه به چرخه زندگی بارناکلها برداشت شد. پس از آماده‌سازی و خشک‌کردن با دستگاه فریز درایر بعد از آنالیز به‌وسیله دستگاه گاز کروماتوگرافی قرائت شد. بیشترین میزان غلظت PCBs در بیوماکر بارناکل ایستگاه انزلی مربوط به ایزومرهای PCB-77 PCB-81 و کمترین آن مربوط به ایزومرهای PCB-114 PCB-156, تعیین شد. بیشترین غلظت PCBs در بارناکل ایستگاه کاسپین مربوط به ایزومرهای PCB-77 PCB-28 و کمترین آن مربوط به ایزومرهای PCB-153 PCB-114, بود. بیشترین غلظت PCBs در رسوب ایستگاه بندر انزلی و رسوب بندر کاسپین به‌طور مشابه مربوط به ایزومرهای PCB-52 PCB-28 و کمترین آن مربوط به ایزومرهای PCB-156 PCB-114, ثبت شد.
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
Investigation of PCBs Contamination in Barnacles and Sedimentation of Anzali and Caspian Ports
نویسندگان [English]
- Fatemeh Mirzababaei 1
- Seyyed Ali Jozi 2
- Omid Rafieyan 3
- Mohammad Ebrahim Ramezani 3
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
چکیده [English]
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.
کلیدواژه‌ها [English]
- Aquatic Ecosystem
- Crustaceans
- Organic Persistent Pollutants
- Quality
- Sediment
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