Arsenic and heavy metal uptake and accumulation in native plant species from soils polluted by mining activities

Garcia Salgado, Sara; Garcia Casillas, David; Quijano Nieto, M. Angeles y Bonilla Simon, M. Milagros (2012). Arsenic and heavy metal uptake and accumulation in native plant species from soils polluted by mining activities. "Water Air Soil Pollut", v. 233 (n. 2); ISSN 0049-6979. https://doi.org/10.1007/s11270-011-0882-x.

Descripción

Título: Arsenic and heavy metal uptake and accumulation in native plant species from soils polluted by mining activities
Autor/es:
  • Garcia Salgado, Sara
  • Garcia Casillas, David
  • Quijano Nieto, M. Angeles
  • Bonilla Simon, M. Milagros
Tipo de Documento: Artículo
Título de Revista/Publicación: Water Air Soil Pollut
Fecha: Febrero 2012
Volumen: 233
Materias:
Escuela: E.U.I.T. Obras Públicas (UPM) [antigua denominación]
Departamento: Ingeniería Civil: Hidráulica y Energética [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Arsenic and heavy metal (specifically Cd, Cr, Cu, Ni, Pb, and Zn) uptake, translocation, and accumulation in ten native plant species spontaneously growing in soils polluted by mining activities were studied, with a focus on future phytoremediation work in polluted soils. Plant and soil samples were collected in the vicinity of the Mónica mine (NW Madrid, Spain). Soil analysis showed the ability of native plants for growing in soils with high concentration levels of Cd, Cu, Pb, Zn, and especially As. From these elements, the highest percentage of extractable elements was found for Cd and the lowest for Pb. A highly significant correlation was observed between total and extractable element concentrations in soils, except for Cu, indicating that total concentration is the most relevant factor for element mobility in these soils. Extractable elements in soils were better correlated with concentrations in plants than total elements in soils; thus, extraction methods applied are suitable to estimate the element phytoavailable fraction in soils, which depends on the plant species and not only on the element mobility in soils. High element concentrations were found in the aboveground parts of Corrigiola telephiifolia (As and Pb), Jasione montana (Cd and Zn), and Digitalis thapsi (As, Cd, Cu, Pb and Zn). However, considering the translocation and accumulation factors, together with the concentration levels found in roots and aboveground parts, only C. telephiifolia could be considered a Pb accumulator and an As hyperaccumulator plant, which could be used for future phytoremediation work in soils polluted with As.

Más información

ID de Registro: 9719
Identificador DC: http://oa.upm.es/9719/
Identificador OAI: oai:oa.upm.es:9719
Identificador DOI: 10.1007/s11270-011-0882-x
URL Oficial: http://rd.springer.com/article/10.1007/s11270-011-0882-x
Depositado por: Memoria Investigacion
Depositado el: 29 Nov 2011 09:50
Ultima Modificación: 20 Abr 2016 18:02
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