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Copper phytoremediation by a salt marsh plant (Phragmites australis) enhanced by autochthonous bioaugmentation

OLIVEIRA, T ; MUCHA, A. P ; REIS, I ; RODRIGUES, P ; GOMES, C. R ; ALMEIDA, C. M. R

Marine pollution bulletin, 2014-11, Vol.88 (1-2), p.231-238 [Periódico revisado por pares]

Kidlington: Elsevier

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Copper phytoremediation by a salt marsh plant (Phragmites australis) enhanced by autochthonous bioaugmentation
Autor: OLIVEIRA, T ; MUCHA, A. P ; REIS, I ; RODRIGUES, P ; GOMES, C. R ; ALMEIDA, C. M. R
Assuntos: Animal and plant ecology ; Animal, plant and microbial ecology ; Applied ecology ; Biodegradation of pollutants ; Biodegradation, Environmental ; Biological and medical sciences ; Biological Availability ; Biomass ; Biotechnology ; Brackish water ecosystems ; Chlorophyll - metabolism ; Conservation, protection and management of environment and wildlife ; Copper - analysis ; Copper - pharmacokinetics ; Ecotoxicology, biological effects of pollution ; Environment and pollution ; Environmental degradation: ecosystems survey and restoration ; Fundamental and applied biological sciences. Psychology ; Geologic Sediments - chemistry ; Geologic Sediments - microbiology ; Industrial applications and implications. Economical aspects ; Marine ; Marine and brackish environment ; Microbial Consortia - drug effects ; Phragmites australis ; Plant Roots - chemistry ; Poaceae - drug effects ; Poaceae - metabolism ; Poaceae - physiology ; Synecology ; Tissue Distribution ; Wetlands
É parte de: Marine pollution bulletin, 2014-11, Vol.88 (1-2), p.231-238
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SourceType-Scholarly Journals-1
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Descrição: Here we evaluated whether the potential of Phragmites australis to phytoremediate Cu contaminated sediments could be enhanced by bioaugmentation with an autochthonous microorganism consortium (AMC) that is resistant to Cu. Saltmarsh plants with sediment attached to their roots were collected, placed in vessels and kept in greenhouses, under tidal simulation. Sediments were contaminated with Cu and the AMC was added to half of the vessels. After two months, plants accumulated significant amounts of Cu (2-10 times more) in all tissues although in higher amounts (7-10 times more) in belowground structures. AMC addition increased Cu bioavailability (5-10%) in sediments leading to a decrease in belowground structures biomass. However, bioaugmentation increased Cu translocation, with higher amounts (2 times more) of Cu in the plant stems, without significant visual toxicity signs. Therefore, autochthonous bioaugmentation can increase Cu phytoextraction potential of P. australis, which can be a valuable strategy for the recovery and management of moderately impacted estuaries.
Editor: Kidlington: Elsevier
Idioma: Inglês

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Copper phytoremediation by a salt marsh plant (Phragmites australis) enhanced by autochthonous bioaugmentation

OLIVEIRA, T ; MUCHA, A. P ; REIS, I ; RODRIGUES, P ; GOMES, C. R ; ALMEIDA, C. M. R

Kidlington: Elsevier

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