Bioprospection of indigenous flora grown in copper mining tailing area for phytoremediation of metals.

Abstract:

:The study evaluated plants with phytoremediation potential that occur spontaneously in an area of copper mining tailings in Southern of Brazil. Eleven plant species were investigated for heavy metal concentrations in its biomass. All species showed copper concentrations greater than 100 mg kg-1, and seven species highlighted for copper concentrations between 321 and 586 mg kg-1 and these species showed Cr concentrations between 25 and 440 mg kg-1. The species S. viarum Dunal and B. trimera Less were highlighted showing the highest concentrations of Cr (586 mg kg-1) and Cu (440 mg kg-1), respectively. Seven species showed Pb phytoextraction potential and four species showed Cu phytostabilization potential. It was concluded that the investigated species are adapted to low nutritional conditions and showed tolerance to heavy metals, mainly Cu, Pb and Cr in its biomass.

journal_name

J Environ Manage

authors

Afonso TF,Demarco CF,Pieniz S,Quadro MS,Camargo FAO,Andreazza R

doi

10.1016/j.jenvman.2019.109953

subject

Has Abstract

pub_date

2020-02-15 00:00:00

pages

109953

eissn

0301-4797

issn

1095-8630

pii

S0301-4797(19)31671-8

journal_volume

256

pub_type

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