بررسی میزان تجمیع زیستی جیوه در عقاب طلایی Aquila chrysaetos( (، کبک معمولی ) Perdrix chukar ( و باکلان بزرگ) Phalacrocorax carbo ( با تکیه بر اکولوژی تغذیه

نوع مقاله: مقاله کامل

نویسندگان

1 کارشناسی ارشد محیط زیست دانشگاه تربیت مدرس

2 استاد گروه محیط زیست دانشگاه تربیت مدرس

3 استادیار گروه محیط زیست دانشگاه تربیت مدرس

چکیده

جیوه عنصری سمی و خطرناک برای موجودات زنده محسوب می‌شود. فلزی است که بدن به آن نیاز نداشته، ورود و جذب آن در بدن باعث مشکلات فراوان می‌شود. با صنعتی شدن کشورها این عنصر وارد طبیعت می-شود و با عبور از زنجیره‌ی غذایی در بدن موجودات تجمع یافته، باعث بروز بزرگنمایی زیستی می‌شود. لذا پایش زمانی و مکانی آن ضرورت دارد. یکی از بهترین روش‌های پایش جیوه پایش زیستی می‌باشد. در بین این گونه روش‌ها آن‌هایی که باعث از بین رفتن موجود نمی‌شود اولویت دارد. لذا استفاده از پر به دلیل غیر مخرب بودنش از جایگاه ویژه‌ای برخوردار است. در مطالعه حاضر از سه گونه باکلان بزرگ، عقاب طلایی و کبک معمولی، که از نظر تغذیه و سطح مهاجرت با هم هیچ قرابتی ندارند مورد بررسی قرار گرفت. از پرها نمونه برداری شد. مشخص گردید که بیشترین میزان غلظت تجمع زیستی جیوه در مقایسه بین گونه‌ها مربوط به باکلان با میانگین ppb 2710 و کمترین مقدار آن مربوط به کبک با میانگین ppb 120 می باشد. .

کلیدواژه‌ها


عنوان مقاله [English]

Survey of Mercury Bioaccumulation in Golden Eagle (Aquila chrysaetos), Chukar Partridge (Perdix chukar) and Great Cormorant (Phalacrocorax carbo), Related to Feed Ecology

نویسندگان [English]

  • A. Gharaei, 1
  • A. Esmaeli Sari, 2
  • S. M. Ghasempouri, 3
1 MSc Expert of Enviroment Biology, Modares Tarbiat University.
2 Professor of Enviroment Biology, Modares Tarbiat University.
3 Associate Professor of Modares Tarbiat University.
چکیده [English]

Mercury is a toxic and dangerous element for living organisms. Our bodies do not need mercury and its entrance and absorption in the body can cause many problems. Following industrialization of countries, it enters the nature and accumulates in the organisms body through the food chain which causes biological magnification. Therefore time and place monitoring of mercury is necessary. Biological monitoring is one of the best methods for mercury monitoring. Among these, methods which do not kill the organism have priority. Therefore, using feather, due to its non-destructive character is especially important. In the present study, three species including common cormorant, golden eagle, common chuker, which do not have any relationship regarding the feeding and migration, were studied. The results showed that the highest and lowest mercury concentrations were calculated in cormorant (with average 2710 ppb) and chuker (with average120 ppb), respectively.

کلیدواژه‌ها [English]

  • Mercury
  • Biomonitoring
  • Phalacrocorax carbo
  • Aquila chrysaetos
  • Perdix chukar

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