Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 282, Issue 1, Pages 21-27Publisher
SPRINGER
DOI: 10.1007/s10967-009-0222-4
Keywords
k(0)-INAA; Environmental remediation; Iberian pyrite belt; Mainland Portugal; Phytostabilisation potential; Sao Domingos mine; Sulphide-mining areas; Toxic elements; Vascular plants; Agrostis castellana; Erica andevalensis; Juncus acutus; Nicotiana glauca
Funding
- Fundacao para a Ciencia e a Tecnologia ( FCT, Portugal) [PTDC/AMB/65462/2006]
- Fundação para a Ciência e a Tecnologia [PTDC/AMB/65462/2006] Funding Source: FCT
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This study has determined contamination levels in soils and plants from the So Domingos mining area, Portugal, by k (0)-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.
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