PHYTOREMEDIATION OF HEAVY METALS BY THE DOMINANT MANGROVE ASSOCIATE SPECIES OF INDIAN SUNDARBANS

IF 1 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Environmental Engineering and Landscape Management Pub Date : 2021-11-22 DOI:10.3846/jeelm.2021.15773

P. Mukherjee, Prosenjit Pramanick, S. Zaman, A. Mitra

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引用次数: 4

Abstract

The present study aims to investigate the phytoremediation potential of zinc (Zn), copper (Cu), and lead (Pb) by two dominant mangrove associate species, Suaeda maritima, and Salicornia brachiata, found in the high saline supralittoral zone of Indian Sundarbans in four stations of the Hooghly-Matla estuarine complex during the premonsoon season (May 2019). We found that concentrations of biologically available heavy metals (HMs) in the ambient soil and bioaccumulated HMs within the vegetative plant parts occurred as per the order: Sagar South > Bakkhali > Jharkhali > Bali Island. The order of biologically available and bioaccumulated HMs was Zn > Cu > Pb. Interestingly, the selected HMs display high organ-specificity for both species with the highest enrichment in roots, followed by stems and leaves. We propose that these halophytes could be used as agents of phytoremediation and their farming would be effective in the ecorestoration of this deltaic complex in context to conservative pollutants.

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印度孙德邦红树林优势伴生种对重金属的植物修复作用

本研究旨在研究季风前季节(2019年5月)在印度孙德尔本斯高盐滨海带hooghy - matla河口复合带四个站点发现的两种优势红树林伴生物种Suaeda maritima和Salicornia brachiata对锌(Zn)、铜(Cu)和铅(Pb)的植物修复潜力。环境土壤中生物有效态重金属浓度和营养植物部分生物积累态重金属浓度顺序为:Sagar South bbb Bakkhali > Jharkhali > Bali Island。生物有效质和生物累积质顺序为Zn > Cu > Pb。有趣的是，所选的HMs对这两个物种都显示出很高的器官特异性，根中富集量最高，其次是茎和叶。我们认为，这些盐生植物可以作为植物修复剂，它们的种植在保守污染物环境下的三角洲复合体的恢复中是有效的。

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来源期刊

Journal of Environmental Engineering and Landscape Management 环境科学-环境科学

CiteScore

1.90

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Environmental Engineering and Landscape Management publishes original research about the environment with emphasis on sustainability.