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Publication Type J
Authors Suaire, R., I. Durickovic, L. Framont-Terrasse, J. Y. Leblain, A. C. De Rouck and M. O. Simonnot
Title Phytoextraction of Na+ and Cl- by Atriplex halimus L. and Atriplex hortensis L.: A promising solution for remediation of road runoff contaminated with deicing salts
Source Ecological Engineering
Author Keywords Phytoremediation NaCl Road runoff Deicing salt Halophytes salinity tolerance cadmium accumulation ion concentrations chloride salinity growth halophytes stress soils water phytoremediation
Abstract Two halophytes, Arrip lex halimus and Arrip lex hortensis, were selected to be tested for phytodesalination of road runoff. A 60 d pot experiment was conducted and germination, survival, growth, and bioaccumulation of NaCl and trace metals by both species were monitored in conditions simulating those encountered in road runoff treatment systems. NaCl concentration was controlled in the hydration solution and ranged from 0 to 2 g/L. Germination and survival of young seedlings were not affected by salinity increase in the tested range. Growth was enhanced by NaCI in the hydration solution for A. halimus whereas water content (WC) was significantly and negatively correlated with NaCl concentration. No significant effect of NaCl concentration in the hydration solution was recorded on either growth or WC for A. hortensis. Both Atriplex species accumulated Na' and other cations. Results for Na/K molar ratio indicated that A. halimus was not affected as much as A. hortensis in its homeostasis and nutritional capacities. These results show that both Atriplex species are able to germinate, grow and accumulate sodium when watered with hydration solutions polluted with NaCl. They are therefore good candidates for phytodesalination of road runoff polluted by deicing salts, and should be tested at the pilot scale. (C) 2016 Elsevier B.V. All rights reserved.
Author Address [Suaire, Remi; Durickovic, Ivana; Framont-Terrasse, Lucie] Cerema Dter Est, 71 Rue Grande Haie, F-54510 Tomblaine, France. [Leblain, Jean-Yves; De Rouck, Anne-Claire] Cerema Dter Nord Picardie, 151 Rue Paris, F-02100 St Quentin en Yvelines, France. [Simonnot, Marie-Odile] CNRS, Lab React & Genie Proc, UMR 7274, 1 Rue Grandville BP20451, F-54001 Nancy, France. [Suaire, Remi; Simonnot, Marie-Odile] Univ Lorraine, Lab React & Genie Proc, UMR 7274, 1 Rue Grandville, F-54001 Nancy, France. Durickovic, I (reprint author), Cerema Dter Est, 71 Rue Grande Haie, F-54510 Tomblaine, France. ivana.durickovic@cerema.fr
ISSN 0925-8574
ISBN 0925-8574
29-Character Source Abbreviation Ecol. Eng.
Publication Date Sep
Year Published 2016
Volume 94
Beginning Page 182-189
Digital Object Identifier (DOI) 10.1016/j.ecoleng.2016.05.055
Unique Article Identifier WOS:000381636400022
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