Shah Abdul Barey, Rai U N, Singh Rana Pratap
Department of Environmental Science, Babasaheb Bhimrao Ambedkar (Central) University, Lucknow, 226025, India.
Bull Environ Contam Toxicol. 2015 Jun;94(6):783-90. doi: 10.1007/s00128-015-1546-0. Epub 2015 Apr 19.
Water quality of the Gomti River and phytoremediation potential of native macrophytes dwelling therein at six different sites were evaluated. River water showed high biochemical oxygen demand, chemical oxygen demand, nitrate, ammonium and phosphate (12.84, 77.94, 36.88, 6.04 and 2.25 mg L(-1), respectively). Gomti water was found to be contaminated with different metals like Fe, Cd, Cu, Cr and Pb (5.54, 1.05, 3.74, 2.57 and 0.73 mg L(-1), respectively). Macrophytes growing in the river accumulated considerable amounts of Fe, Cd, Cu, Cr and Pb in different parts. Among the studied plants, Eichhornia crassipes showed maximum remediation potential for Fe, Cd and Pb; Jussiaea repens for Cr; and Pistia stratiotes for Cd. However, in Typha latifolia, Cu accumulation was maximum. Except for Fe, translocation factor of E. crassipes, P. stratiotes, Hydrilla verticellata and T. latifolia was >1 for the studied metals, showing their potential to accumulate multiple metals in different plant parts.
对戈姆蒂河六个不同地点的水质以及生长在其中的本地大型植物的植物修复潜力进行了评估。河水显示出高生化需氧量、化学需氧量、硝酸盐、铵和磷酸盐（分别为12.84、77.94、36.88、6.04和2.25毫克/升）。发现戈姆蒂河的水被铁、镉、铜、铬和铅等不同金属污染（分别为5.54、1.05、3.74、2.57和0.73毫克/升）。生长在河中 的大型植物在不同部位积累了大量的铁、镉、铜、铬和铅。在所研究的植物中，凤眼莲对铁、镉和铅表现出最大的修复潜力；水龙对铬；大薸对镉。然而，在宽叶香蒲中，铜的积累量最大。除铁外，凤眼莲、大薸、黑藻和宽叶香蒲对所研究金属的转运系数>1，表明它们有在不同植物部位积累多种金属的潜力。
