| Literature DB >> 30955718 |
M Safiur Rahman1, M Belal Hossain2, S M Omar Faruque Babu1, Moshiur Rahman1, A S Shafiuddin Ahmed1, Y N Jolly1, T R Choudhury1, B A Begum1, J Kabir1, S Akter1.
Abstract
Samples for sediment and two species of native mangrove plants were collected from seven sampling sites for assessing the level of metal contamination. Results of the studied metals displayed the order of pollution as Fe > Ti > Zr > Rb > Zn > Sr > Pb > Y > Cu > Cr > As accordingly. Geoaccumulation index and contamination factor revealed that the sediment samples were unpolluted to moderately polluted by Zn, Fe, Ti, Rb, Y, and Zr. Ecological risk factor depicted a pollution-free condition in the study areas. PCA, CA, and correlation coefficient indicated that the source of the metals in the environment was anthropogenic. Bioconcentration factor values were found to be below 1 in both plant species. Conversely, transfer factor values for most heavy metals were found to be >1 in both plant species, which reflects the phytoremediation ability of plants.Entities:
Keywords: Contamination; Ecological risk assessment; Heavy metal; Phytoremediation; Sediment
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Year: 2019 PMID： 30955718 DOI： 10.1016/j.marpolbul.2019.02.032
Source DB: PubMed Journal: Mar Pollut Bull ISSN： 0025-326X Impact factor: 5.553