Heavy metals accumulation and tolerance in plants growing on ex-mining area, Bestari Jaya, Kuala Selangor, Peninsular Malaysia

2010 International Conference on Environmental Engineering and Applications Pub Date : 2010-10-07 DOI:10.1109/ICEEA.2010.5596140

M. Ashraf, Mohd. Jamil Maah, I. Yusoff, Mohd. Mohamadreza Gharibreza

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引用次数: 5

Abstract

The degree of contamination by heavy metals in soil and transfer to plants has been studied. Specimens of plant species from five locations were sampled with their corresponding soils. Thirty six plant species including two shallow water aquatic plants were identified. It was found that metal concentration in soil was highly variable while concentration of metals in plants directly depends on the concentration of metals it was rooted. Bioconcentraion factor and translocation factor were calculated which show that Cyperus rotundus L. is a potential tin-hyperaccumulator plant, previously not reported in literature. Plant Species Imperata cylindrica, Lycopodium cernuum, Melastoma malabathricum, Mimosa pudica Linn, Nelumbo nucifera, Phragmites australis L., Pteris vittata L. and Salvinia molesta, were metal accumulator while Acacia podalyriaefolia G. Don, Bulb Vanisium, Dillenia reticulate King, Eugenia reinwardtiana, Evodia roxburghiania Hk. f. Clarke, Gleichenia linearis, Grewia erythrocarpa Ridl., Manihot esculenta Crantz, Paspalum conjugatum Berguis, Passiflora suberosa, Saccharum officinarum, Stenochlaena palustris(Burm.) Bedd. and Vitis trifolia Linn. were tolerated plant species. All other studied plants were excluders. Identified plant species could be useful for revegetation and erosion control in metals-contaminated ex-mining sites.

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马来西亚半岛吉隆坡雪兰莪勿士里查亚采矿区植物重金属积累及耐受性研究

研究了重金属在土壤中的污染程度及其向植物的转移。对5个地点的植物标本进行了土壤取样。共鉴定出36种植物，其中浅水水生植物2种。研究发现，土壤中金属含量变化很大，而植物中金属含量直接取决于其所生根的金属含量。生物富集因子和转运因子的计算结果表明，圆草是一种未见文献报道的潜在的锡超富集植物。白茅、石蒜、青竹、含羞草、莲蓬、芦苇、蜈蚣草和沙棘是金属蓄能器，而金合欢、万金莲、网花王、金银花、刺荆是金属蓄能器。f. Clarke，线性格列氏格列氏格列氏格列氏格列氏格列氏格列氏格列氏格列。、马齿苋、马齿苋、马齿苋、西番莲、蜜糖、马齿苋。Bedd。和三叶葡萄。都是耐受性强的植物。所有其他被研究的植物都被排除在外。已确定的植物种类可用于金属污染前矿区的植被恢复和侵蚀控制。

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2010 International Conference on Environmental Engineering and Applications

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