Please use this identifier to cite or link to this item:
Author(s): Montenegro I.P.F.M.
Mucha A.P.
Reis I.
Rodrigues P.
Almeida C.M.R.
Title: Copper effect in petroleum hydrocarbons biodegradation by microorganisms associated to Juncus maritimus: role of autochthonous bioaugmentation
Publisher: Springer Verlag (Germany)
Issue Date: 2017
Abstract: The bioremediation potential of microorganisms from a saltmarsh plant rhizosphere and application of bioaugmentation in estuarine sediment co-contaminated were investigated. Rhizosediment (sediment in contact with plant roots) of Juncus maritimus was contaminated with copper and/or petroleum, inoculated with different autochthonous microbial consortia (resistant to copper and/or with petroleum degraders) and put in vessels to which plants were transplanted. Vessels were irrigated through a system that simulated estuarine tides. After 5 months, vessels were dismantled and copper and petroleum content in rhizosediments were determined. Copper’s presence reduced the potential of the microorganisms associated to J. maritimus rhizosphere for bioremediation of petroleum hydrocarbons in co-contaminated sediment. Indeed, hydrocarbons removal decreased from 39 to 25% when copper was present. In addition, bioaugmentation was not effective to overcome metal negative effects on petroleum hydrocarbons degradation, and the same removal rate was being observed (ca. 25%). Different methodologies for the formulation of consortia must be tested in this situation of co-contamination. Obtained results should be taken in consideration when planning the recovery of moderately impacted estuaries, aiming an effective protection and management of these areas, in the case of co-contamination. © 2016, Islamic Azad University (IAU).
Subject: Biodegradation
Petroleum chemistry
Soil pollution
Bioremediation potentials
Contaminated sediment
Contaminated soils
Estuarine environments
Microbial consortia
Petroleum hydrocarbons
Protection and management
Salt marshes
Marine pollution
estuarine environment
estuarine sediment
microbial activity
petroleum hydrocarbon
pollutant removal
soil pollution
Juncus maritimus
Source: International Journal of Environmental Science and Technology, vol. 14(5), p. 943-955
Related Information: info:eu-repo/grantAgreement/FCT/5876/147268/PT
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:CIIMAR - Artigo em Revista Científica Internacional

Files in This Item:
File Description SizeFormat 
Montenegro IPFM_2017.pdf
  Restricted Access
845.24 kBAdobe PDF    Request a copy

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.