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Open AccessArticle

Accumulation of As, Ag, Cd, Cu, Pb, and Zn by Native Plants Growing in Soils Contaminated by Mining Environmental Liabilities in the Peruvian Andes

1
Université de Pau et des Pays de l’Adour, E2S UPPA, CNRS, IPREM UMR 5254, Hélioparc, 64053 Pau, France
2
Geological Engineering Program, Faculty of Sciences and Engineering, Pontifical Catholic University of Peru (PUCP), Av. Universitaria 1801, San Miguel, Lima 15088, Peru
*
Author to whom correspondence should be addressed.
Academic Editors: Domenico Morabito, Sylvain Bourgerie and Manhattan Lebrun
Plants 2021, 10(2), 241; https://doi.org/10.3390/plants10020241
Received: 16 December 2020 / Revised: 16 January 2021 / Accepted: 22 January 2021 / Published: 27 January 2021
(This article belongs to the Special Issue Heavy Metal Pollution and Plants Growth)
The capability of native plant species grown in polluted post-mining soils to accumulate metals was evaluated in view of their possible suitability for phytoremediation. The study areas included two environmental liabilities in the Cajamarca region in the Peruvian Andes. The content of As, Ag, Cd, Cu, Pb, and Zn was determined in individual plant organs and correlated with soil characteristics. The degree of the pollution depended on the metal with results ranging from uncontaminated (Cd) to moderately (Zn), strongly (As, Cu), and extremely contaminated (Pb, Ag) soils. The metals were mainly present in the fractions with limited metal mobility. The bioaccumulation of the metals in plants as well the translocation into overground organs was determined. Out of the 21 plants evaluated, Pernettya prostrata and Gaultheria glomerate were suitable for Zn, and Gaultheria glomerata and Festuca sp. for Cd, phytostabilization. The native species applicable for Cd phytoremediation were Ageratina glechonophylla, Bejaria sp., whereas Pernettya prostrata Achyrocline alata,Ageratina fastigiate, Baccharis alnifolia, Calceolaria tetragona, Arenaria digyna, Hypericum laricifolium, Brachyotum radula, and Nicotiana thyrsiflora were suitable for both Cd and Zn. None of the studied plants appeared to be suitable for phytoremediation of Pb, Cu, As and Ag. View Full-Text
Keywords: mining environmental liabilities; native plants; metals; translocation factor; bioconcentration factor; phytoremediation mining environmental liabilities; native plants; metals; translocation factor; bioconcentration factor; phytoremediation
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MDPI and ACS Style

Cruzado-Tafur, E.; Bierla, K.; Torró, L.; Szpunar, J. Accumulation of As, Ag, Cd, Cu, Pb, and Zn by Native Plants Growing in Soils Contaminated by Mining Environmental Liabilities in the Peruvian Andes. Plants 2021, 10, 241. https://doi.org/10.3390/plants10020241

AMA Style

Cruzado-Tafur E, Bierla K, Torró L, Szpunar J. Accumulation of As, Ag, Cd, Cu, Pb, and Zn by Native Plants Growing in Soils Contaminated by Mining Environmental Liabilities in the Peruvian Andes. Plants. 2021; 10(2):241. https://doi.org/10.3390/plants10020241

Chicago/Turabian Style

Cruzado-Tafur, Edith; Bierla, Katarzyna; Torró, Lisard; Szpunar, Joanna. 2021. "Accumulation of As, Ag, Cd, Cu, Pb, and Zn by Native Plants Growing in Soils Contaminated by Mining Environmental Liabilities in the Peruvian Andes" Plants 10, no. 2: 241. https://doi.org/10.3390/plants10020241

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