Distribution patterns of metals contamination in sediments based on type regional development on the intertidal coastal zones of the Persian Gulf, Iran |
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| Authors: | Kazemi Ali Bakhtiari Alireza Riyahi Kheirabadi Nabiallah Barani Hashm Haidari Behnam |
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| Institution: | (1) Department of Environmental Sciences, Faculty of Natural Resource and Marine Science, Tarbiat Modares University, P.O. Box 46414-356, Noor, Mazandaran, Iran;(2) Department of Marine Biology Sciences, Faculty of Natural Resource and Marine Science, Tarbiat Modares University, P.O. Box 46414-356, Noor, Mazandaran, Iran;(3) Department of Environmental Pollution, Science and Research Branch, Islamic Azad University, Ahvaz, Khouzestan, Iran; |
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| Abstract: | This study was performed to determine the variation of metals concentrations (Pb, Cd, Zn, and Cu) in surface sediments based
on type region development from ten sites on the intertidal coastal zone of the Persian Gulf, Iran. The metals concentrations
in surface sediments varied from 0.86 to 180.78 μg g−1 for Pb, 0.61 to 6.48 μg g−1 for Cd, 5.99 to 44.42 μg g−1 for Zn, and 3.01 to 43.33 μg g−1 for Cu. The quality of the sediments was evaluated based on sediment quality guidelines (effects range-low (ERL) and effects
range-medium (ERM) indexes. Biological effects criteria suggest that metals concentrations in sediments were lower than ERM
for all sites, but for some sites metals concentrations in sediments were higher than ERL. The present results support the
concept that human activities in each region could be a major source of metals pollution input in the aquatic environment. |
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