Volume 12, Issue 1 (2022)
JFST 2022, 12(1): 1-12 |
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Shokouh B, Sourinejad I, Ghasemi Z. The effect of mangrove planting on heavy metals accumulation in coastal sediments of the Persian Gulf, Bandar Abbas region. JFST 2022; 12 (1) : 1
URL: http://jfst.modares.ac.ir/article-6-66737-en.html
URL: http://jfst.modares.ac.ir/article-6-66737-en.html
1- University of Hormozgan
2- University of Hormozgan ,zghasemi446@yahoo.com
2- University of Hormozgan ,
Abstract: (1224 Views)
The significance of mangrove species in the world is undeniable and planting artificial mangrove forests is a desirable solution to preserve mangroves. The mangroves provide us with superior ecological services and one of their main services is the bioremediation of heavy metals. Hence, this study aimed to assess the effects of artificial mangroves of Velayat Park of Bandar Abbas on the contamination, adsorption pattern and ecological risk of heavy metals in the sediment samples. Thirty samples were collected from two paralleled sampling sections included those without mangroves and containing mangroves. Each sampling area consisted of upper, middle and lower sections. After drying samples using an oven, the dried sediments were sieved by a 63-micrometer sieve and digested by nitric and hydrochloric acid mixture. The concentration of As, Cu, Fe, Ni, Pb, V, and Zn was determined using ICP. The studied factors suggested a high level of ecological risk for as and Pb and the highest risk was observed in the samples without mangroves and a lower risk was reported for samples containing mangroves. Comparing the results with sediment quality guidelines and other studies indicated a dangerous concentration of As. Pearson correlation coefficient values exhibited that artificial mangroves have significantly affected the adsorption pattern of heavy metals (p-Value < 0.05). The principal component analysis (PCA) showed that As and Pb are dominantly derived from oil products leakages and industrial sewages while Cu, Fe, Ni, V and Zn are predominantly derived from natural and geological sources.
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