Journal
ECOLOGICAL ENGINEERING
Volume 64, Issue -, Pages 1-17Publisher
ELSEVIER
DOI: 10.1016/j.ecoleng.2013.12.027
Keywords
T. latifolia L.; P. australis L.; Sediment; Potentially toxic metals; Plant organs; Bioremediation
Funding
- SICTOM (Solid Waste Management Service) of Etueffont (Territoire de Belfort, France)
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Concentrations of trace elements were studied in roots, rhizomes, stems, leaves and flowers of cattails (Typha latifolia L.) and reeds (Phragmites australis L.) and in corresponding samples of water and sediment. Samples were taken from the inflow/outflow points in the fourth of four interconnecting lagooning pondsin constructed treatment wetlands, developed as an integrated pilot system for the treatment of leachatesin a domestic landfill site at Etueffont (Territoire de Belfort, France). The elements considered were Ag, Al, As, B, Cd, Cr, Cu, Fe, Mn, Ni, Se, Sn and Zn. The highest average of above- ground water biomasses of Typhalatifolia and Phragmites australis was recorded in fall with 0.85 and 1.13 kg dry weight m(-2) respectively. The greatest mean concentrations of metals were found during spring in roots and to a lesser extent inthe rhizomes of the two species. T. latifolia and P. australis can be used as bioindicators of Al, As, Fe, Mn, Cu, Cr and Cd and more specifically of Ni and Zn for T. latifolia and of B for P. australis. These two speciesmay be considered promising alternatives for bioremediation. (c) 2013 Elsevier B.V. All rights reserved.
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