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http://hdl.handle.net/1942/19819
Title: | Phytobarriers: Plants capture particles containing potentially toxic elements originating from mine tailings in semiarid regions | Authors: | Sanchez-Lopez, Ariadna S. Carrillo-Gonzalez, Rogelio del Carmen Angeles Gonzalez-Chavez, Ma. Hanako Rosas-Saito, Greta VANGRONSVELD, Jaco |
Issue Date: | 2015 | Publisher: | ELSEVIER SCI LTD | Source: | ENVIRONMENTAL POLLUTION, 205, p. 33-42 | Abstract: | Retention of particles containing potentially toxic elements (PTEs) on plants that spontaneously colonize mine tailings was studied through comparison of washed and unwashed shoot samples. Zn, Pb, Cd, Cu, Ni, Co and Mn concentrations were determined in plant samples. Particles retained on leaves were examined by Scanning Electronic Microscopy and energy dispersive X-Ray analysis. Particles containing PTEs were detected on both washed and unwashed leaves. This indicates that the thorough washing procedure did not remove all the particles containing PTEs from the leaf surface, leading to an overestimation of the concentrations of PTEs in plant tissues. Particularly trichomes and fungal mycelium were retaining particles. The quantity and composition of particles varied among plant species and place of collection. It is obvious that plants growing on toxic mine tailings form a physical barrier against particle dispersion and hence limit the spread of PTEs by wind. (C) 2015 Elsevier Ltd. All rights reserved. | Notes: | [Sanchez-Lopez, Ariadna S.; Carrillo-Gonzalez, Rogelio; del Carmen Angeles Gonzalez-Chavez, Ma.] Colegio Postgrad, Texcoco 56230, Mexico. [Hanako Rosas-Saito, Greta] Inst Ecol, AC Unidad Microscopia BioMim, Ver 91070, Veracruz, Mexico. [Vangronsveld, Jaco] Hasselt Univ, Ctr Environm Sci, B-3590 Diepenbeek, Belgium. | Keywords: | particles deposition; mine tailings; air dispersion; phytoremediation;Particles deposition; Mine tailings; Air dispersion; Phytoremediation | Document URI: | http://hdl.handle.net/1942/19819 | ISSN: | 0269-7491 | e-ISSN: | 1873-6424 | DOI: | 10.1016/j.envpol.2015.05.010 | ISI #: | 000362308100005 | Rights: | © 2015 Elsevier Ltd. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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