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Information Journal Paper

Title

Assessment of Mercury Accumulation and Magnification in a Freshwater Food Chain: Sediment, Benthos and Benthivorous Fish

Pages

  17-22

Abstract

 Background: Present study was conducted to measure the level of total mercury (tHg) in Sediments, Benthos and benthivorous fish (i. e., Common carp) for determining Biota (Benthos)-Sediment Accumulation Factor (BSAF), as well as Biomagnification Factor (BMF) of tHg between two trophic levels of Benthos and benthivorous fish caught from Sanandaj Gheshlagh Reservoir (SGR) in the west of Iran. Methods: Samples of Sediments and Benthos biomasses were collected from three sampling stations. Common carps were captured around the selected stations during July to December 2010. Results: Means accumulated tHg (± SE) in Sediments, Benthos masses and muscle tissue of Common carp were 117. 66± 9. 72, 94. 3± 5. 02 and 233. 21± 20. 67 ng g-1 dry weight, respectively. Means accumulated tHg in Benthos masses and muscle tissue of the Common carp during the studying months showed no signi􀏐 icant differences (P>0. 05), while it was signi􀏐 icantly differed in Sediment samples (P<0. 05). Results showed that there were statistically signi􀏐 icant differences between accumulated tHg between Sediment and Benthos mass samples collected from the study sites (P<0. 05). Conclusion: During the study, all calculated BSAF measurements were less than one, indicating transmission of mercury from Sediment to Benthos was not considerable. However, mercury BMFs was higher than one, denoting mercury Biomagnification occurred from the Benthos trophic level to the higher trophic level (i. e., Common carp) in study site. Hence, the health considerations have to be taken in to the account for consumption of fishery products of SGR.

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    • Cite

    APA: Copy

    KHOSHNAMVAND, MEHDI, ALMASIEH, KAMRAN, & KABOODVANDPOUR, SHAHRAM. (2018). Assessment of Mercury Accumulation and Magnification in a Freshwater Food Chain: Sediment, Benthos and Benthivorous Fish. IRANIAN JOURNAL OF TOXICOLOGY, 12(5), 17-22. SID. https://sid.ir/paper/324512/en

    Vancouver: Copy

    KHOSHNAMVAND MEHDI, ALMASIEH KAMRAN, KABOODVANDPOUR SHAHRAM. Assessment of Mercury Accumulation and Magnification in a Freshwater Food Chain: Sediment, Benthos and Benthivorous Fish. IRANIAN JOURNAL OF TOXICOLOGY[Internet]. 2018;12(5):17-22. Available from: https://sid.ir/paper/324512/en

    IEEE: Copy

    MEHDI KHOSHNAMVAND, KAMRAN ALMASIEH, and SHAHRAM KABOODVANDPOUR, “Assessment of Mercury Accumulation and Magnification in a Freshwater Food Chain: Sediment, Benthos and Benthivorous Fish,” IRANIAN JOURNAL OF TOXICOLOGY, vol. 12, no. 5, pp. 17–22, 2018, [Online]. Available: https://sid.ir/paper/324512/en

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