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مجله پژوهش در بهداشت محیط

مجله پژوهش در بهداشت محیط

ارزیابی غلظت فلزات سنگین و ترکیبات آروماتیک چندحلقه‌ای در پر دم سنقر تالابی (Circus aeruginosus) و سارگپه معمولی (Buteo buteo)

نوع مقاله : مقالات پژوهشی

نویسندگان
مهدی طیبی
مریم محمدی روزبهانی
محبوبه چراغی
سولماز دشتی
روشنا بهباش
گروه محیط زیست، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران.
10.22038/jreh.2025.27120
چکیده
زمینه و هدف: پرندگان آبزی و خشکی زی از شاخص های زیستی آلاینده های محیط زیست هستند که می توان از اندام های این موجودات زنده برای تعیین وضعیت آلودگی استفاده کرد. این پژوهش با هدف ارزیابی فلزات سنگین و هیدروکربن‌های آروماتیک چندحلقه‌ای در پر دم پرندگان بومی به عنوان نشانگرهای آلودگی محیط زیست شرکت بهره‌برداری نفت و گاز آغاجاری انجام شد.

مواد و روش ها: در این تحقیق نمونه‌های آب، خاک و پر دم پرندگان از خور امیدیه نمونه‌برداری شدند. برای اندازه‌گیری فلزات سنگین در پر دم پرندگان از طیف‌سنجی جذب اتمی غیرگرافیتی و دستگاه Varian Spectr AA 220 استفاده شد.

یافته ها: غلظت نیکل، سرب، جیوه، کروم، کادمیوم و وانادیوم در پر دم سنقر تالابی به‌ترتیب 0/12، 1/92، 0/12، 0/12، 0/10 و 0/13 میلی‌گرم بر کیلوگرم و در پر دم سارگپه معمولی نیز به‌ترتیب 0/15، 0/31، 0/1، 0/14، 0/12 و 0/12 میلی‌گرم بر کیلوگرم به‌دست آمد. کریسن، بنزو بی‌فلورانتین، بنزوآپیرن و ایندنوپیرن در بافت پر دم دو گونه سنقر تالابی و سارگپه معمولی به‌ترتیب 10، 10، 12 و 10 نانوگرم بر گرم به دست آمد. در پر دم سارگپه معمولی آسنافتن و آنتراسن  نیز 10 و 12 نانوگرم بر گرم بود. غلظت نیکل، سرب، جیوه، کروم، کادمیوم و وانادیوم در آب 27/20، 21/20، 4/11، 22/40، 0/73 و 2038 میلی‌گرم بر لیتر به‌دست آمد و غلظت این فلزات در خاک به‌ترتیب 85/10، 14/90، 2/80، 102/50، 0/41 و 60/50 میلی‌گرم بر کیلوگرم بود.

نتیجه گیری: بررسی شاخص‌های انباشت زیستی و تغلیظ زیستی فلزات سنگین در پر دم دو گونه پرنده سنقر تالابی و سارگپه معمولی نشان‌‌دهنده‌ی سطح قابل توجهی از آلودگی فلزات سنگین و ترکیبات آروماتیک چندحلقه ای در نمونه‌های آب، خاک و دو گونه سارگپه معمولی و سنقر تالابی در منطقه نفت و گاز آغاجاری در استان خوزستان می باشد که تأثیر فعالیت‌های انسانی بر محیط زیست منطقه مورد مطالعه را نشان می‌دهد.
کلیدواژه‌ها
شاخص های زیستی آلاینده ها
آلودگی مناطق بهره برداری نفت و گاز
فلزات سنگین
هیدروکربن‌های آروماتیک چندحلقه‌ای

عنوان مقاله English

Evaluation of Heavy Metal and Polycyclic Aromatic Compound Concentrations in the Feathers of the Circus Aeruginosus and Buteo Buteo

نویسندگان English

Mehdi Tayebi
Maryam Mohammadi Rouzbahani
Mahboobeh Cheraghi
Soolmaz Dashti
Roshna Behbash
Department of Environment, Ahv.C., Islamic Azad University, Ahvaz, Iran.
چکیده English

Background and Objective: Aquatic and terrestrial birds are biological indicators of environmental pollutants, and the organs of these organisms can be used to determine the pollution status. This study aimed to evaluate heavy metals and polycyclic aromatic hydrocarbons in the tail feathers of native birds as indicators of environmental pollution of Aghajari Oil and Gas Exploitation Company.

Materials and Methods: In this study, 6 stations were selected, and water, soil, and bird tail samples were collected from the fifth station. Non-graphite atomic absorption spectrometry and Varian Spectr AA 220 device were used to measure heavy metals in bird tail feathers.

Results: The concentrations of nickel, lead, mercury, chromium, cadmium and vanadium in the tail feathers of the wetland tern were 0.12, 1.92, 0.12, 0.12, 0.10 and 0.13 mg kg-1 respectively and in the tail feathers of the common tern were 0.15, 0.31, 0.1, 0.14, 0.12 and 0.12 mg kg-1 respectively. Chrysene, benzobifluoranthene, benzopyrene and indenopyrene were 10, 10, 12 and 10 ng g-1 respectively in the tail feathers of Circus aeruginosus and Buteo buteo. Acenaphthene and anthracene were also 10 and 12 ng g-1 in the feathers of the common tern. The concentrations of nickel, lead, mercury, chromium, cadmium and vanadium in water were 27.20, 20.31, 11.4, 22.40, 0.73 and 2038 mg l-1, and the concentrations of these metals in soil were 10.85, 14.90, 2.80, 102.50, 0.41 and 60.50 mg kg-1, respectively.

Conclusion: Investigation of bioaccumulation and bioconcentration indices of heavy metals in the tail feathers of two bird species, the Circus aeruginosus and Buteo buteo, indicates a significant level of heavy metal contamination and polycyclic aromatic compounds in water, soil samples, and Circus aeruginosus and Buteo buteo, in the Aghajari oil and gas region in Khuzestan Province, which indicates the impact of human activities on the environment of the studied area.
 
Open Access Policy: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/

کلیدواژه‌ها English

Biological Indicators of Pollutants
Pollution of Oil and Gas Exploitation Areas
Heavy Metals
Polycyclic Aromatic Hydrocarbons
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