Bioaccumulation of heavy metals (Zn, Cu, As, Cd) in external and internal organs of black pomfret (Parastromateus niger) in the northwest of Persian Gulf
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 192
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شناسه ملی سند علمی:
JR_IJAAH-2-1_005
تاریخ نمایه سازی: 13 اسفند 1399
چکیده مقاله:
The major objective of this study was to investigate heavy metal content of black pomfret (Parastromateus niger ). The concentrations of Zn, Cu, As and Cd were determined in external (gill and shell) and internal organs (muscle and liver) of black pomfret in northwest of Persian Gulf in summer 2013. A total of 60 specimens were collected from fishing bottom trawlers. Concentrations of these heavy metals were measured by using atomic absorption spectrometer. Results showed that heavy metals concentrations varied significantly, depending on the types of the tissue in fish. Bioaccumulation of heavy metals Zn and Cu were in the sequence liver> shell> gill> muscle but for Cd and As were in the sequence of gill> shell> liver> muscle. In total organs and among heavy metals the accumulation of Zn and As were the highest and the lowest (P< 0.05). The results indicated that the gill of fishes were highly contaminated by heavy metals and exceeded of WHO and NHMRC guidelines for As and Cd, respectively.
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نویسندگان
L Roomiani
Department of Fisheries, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
M Ghaeni
Department of Fisheries, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
AE khajerahimi
Department of Fisheries, Tehran North Branch, Islamic Azad University, Tehran, Iran
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