Source of metal contamination in sediment, their ecological risk, and phytoremediation ability of the studied mangrove plants in ship breaking area, Bangladesh

被引：93

作者：

Rahman, M. Safiur ^{[1
]}

Hossain, M. Belal ^{[2
]}

Babu, S. M. Omar Faruque ^{[1
]}

Rahman, Moshiur ^{[1
]}

Ahmed, A. S. Shafiuddin ^{[1
]}

Jolly, Y. N. ^{[1
]}

Choudhury, T. R. ^{[1
]}

Begum, B. A. ^{[1
]}

Kabir, J. ^{[1
]}

Akter, S. ^{[1
]}

机构：

[1] AECD, Chem Div, Atmospher & Environm Chem Lab, GPO Box 164, Dhaka 1000, Bangladesh

[2] Noakhali Sci & Technol Univ, Dept Fisheries & Marine Sci, Sonapur 3814, Bangladesh

来源：

MARINE POLLUTION BULLETIN | 2019年 / 141卷

关键词：

Sediment; Heavy metal; Contamination; Ecological risk assessment; Phytoremediation; POLYCYCLIC AROMATIC-HYDROCARBONS; HEAVY-METALS; TRACE-METALS; SURFACE SEDIMENTS; SITAKUND UPAZILLA; RIVER; POLLUTION; WATER; ACCUMULATION; BAY;

D O I：

10.1016/j.marpolbul.2019.02.032

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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.

引用

页码：137 / 146

页数：10

共 83 条

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