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Title: Determination of phytoextraction potential of plant speciesfor toxic elements in soils of abandoned sulphide-mining areas
Authors: Freitas, M. C.
Pacheco, A. M. G.
Anawar, H. M.
Dionísio, I.
Dung, H. M.
Canha, N.
Bettencourt, A.
Henriques, F.
Pinto-Gomes, Carlos
Capelo, Sofia
Keywords: k0-INAA
Environmental remediation
Iberian pyrite belt
Mainland Portugal
Phytostabilisation potential
São Domingos mine
Sulphide-mining areas
Toxic elements
Vascular plants
Agrostis castellana
Erica andevalensis
Juncus acutus
Issue Date: Aug-2009
Publisher: J Radioanal Nucl Chem
Abstract: This study has determined contamination levels in soils and plants from the Sa˜o Domingos mining area, Portugal, by k0-INAA. Total concentrations of As, Sb, Cr, Hg, Cu, Zn and Fe in soils were very high, exceeding the maximum limits in Portuguese legislation. Concentrations of toxic elements like As, Sb and Zn were highest in roots of Erica andevalensis, Juncus acutus, Agrostis castellana and Nicotiana glauca. Additionally, As, Br, Cr, Fe, Sb and Zn in all organs of most plants were above toxicity levels. Those species that accumulated relatively high concentrations of toxic elements in roots (and tops) may be cultivated for phytostabilisation of similar areas.
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
PAO - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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