Trace elements tolerance, accumulation and translocation in Cistus populifolius, Cistus salviifolius and their hybrid growing in polymetallic contaminated mine areas

resumo

Plants from Cistus genus show a great plasticity and are able to grow both in contaminated and non-contaminated soils. Cistus salviifolius L was identified in several mines from Portuguese Iberian Pyrite Belt (PIPB) while Cistus populifolius L was collected in 2009 in Chanca and Caveira mines for the first time. In these mine areas, a hybrid of both species Cistus x hybridus Pourr. was also collected being this its first report from those areas. This study aimed to compare the biogeochemical behavior of the three Cistus species growing in the polymetallic mine areas of Caveira, Chanca and Sao Domingos (PIPB). Their possible use in phytoremediation programs of multielemental contaminated soils was evaluated. Soils from Caveira and Sao Domingos presented high concentrations of various chemical elements and were considered seriously contaminated with As (13-3030 mg/kg), Cu (159-1750 mg/kg), Pb (932-9210 mg/kg) and Sb (23-486 mg/kg), and with severe contamination of Zn (33-1010 mg/kg). Chanca soils presented the lowest trace elements contamination. The three species showed tolerance to moderate acid soils (4.2

palavras-chave

IBERIAN PYRITE BELT; SAO-DOMINGOS MINE; MINING AREAS; ENVIRONMENTAL-IMPACT; DEGRADED SOILS; LADANIFER; POLLUTION; PORTUGAL; METALS; ARSENIC(III)

categoria

Geochemistry & Geophysics

autores

Abreu, MM; Santos, ES; Magalhaes, MCF; Fernandes, E

nossos autores

agradecimentos

We would like to thank the Portuguese Foundation for Science and Technology (FCT) for financial research support of CICECO-Centro de Investigacao em Materiais Ceramicos e Compositos (Program Pest-C/CTM/LA0011/2011) and UIQA-Unidade de Investigacao Quimica Ambiental.

Partilhe este projeto

Publicações similares

Usamos cookies para atividades de marketing e para lhe oferecer uma melhor experiência de navegação. Ao clicar em “Aceitar Cookies” você concorda com nossa política de cookies. Leia sobre como usamos cookies clicando em "Política de Privacidade e Cookies".