Contamination and ecological risk assessment of trace elements in sediments of the Anzali Wetland, Northern Iran

In this paper, concentrations of some heavy metals in surficial sediments of the International Anzali Wetland were measured, this wetland is located in the northern part of Iran. Sediment pollution levels were examined and analyzed using reliable pollution indices including Pollution Load Index (PLI...

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Published in:Water science and technology 2021-11, Vol.84 (9), p.2578-2590
Main Authors: Esmaeilzadeh, Marjan, Mahmodpor, Elham, Haghighat, Somayeh, Esmaeilzadeh, Sara, Aliani, Hamide, Yazdanfar, Najmeh
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Language:English
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international anzali wetland
pollution level indices
risk assessment
sediment quality guidelines
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cited_by cdi_FETCH-LOGICAL-c372t-d5c4487b1124ad37e8f521fc690d40a3e8f4ecb21c5bc8b02dfb71f9b10f5b83
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container_end_page 2590
container_issue 9
container_start_page 2578
container_title Water science and technology
container_volume 84
creator Esmaeilzadeh, Marjan
Mahmodpor, Elham
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Yazdanfar, Najmeh
description In this paper, concentrations of some heavy metals in surficial sediments of the International Anzali Wetland were measured, this wetland is located in the northern part of Iran. Sediment pollution levels were examined and analyzed using reliable pollution indices including Pollution Load Index (PLI), Geoaccumulation Index (Igeo) and Enrichment Factor (CF), and finally it was revealed that heavy metal pollution ranged from low to moderate loads in the wetland. According to Sediment Quality Guidelines (SQGs) and Ecological Risk Index (ERI), it was concluded that As and Ni may have significant toxic impacts on aquatic organisms and also according to Effect Range Median (ERM), the toxicity probability of sediments in the Anzali wetland was estimated at 21%.
doi_str_mv 10.2166/wst.2021.455
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subjects international anzali wetland
pollution level indices
risk assessment
sediment quality guidelines
title Contamination and ecological risk assessment of trace elements in sediments of the Anzali Wetland, Northern Iran
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