Indigenous 14C-phenanthrene biodegradation in “pristine” woodland and grassland soils from Norway and the United Kingdom.

Journal article


Okere, Uchechukwu V., Schuster, Jasmin K., Ogbonnaya, Uchenna O., Jones, Kevin C. and Semple, Kirk T. 2017. Indigenous 14C-phenanthrene biodegradation in “pristine” woodland and grassland soils from Norway and the United Kingdom. Environmental Science: Processes & Impacts. https://doi.org/10.1039/C7EM00242D
AuthorsOkere, Uchechukwu V., Schuster, Jasmin K., Ogbonnaya, Uchenna O., Jones, Kevin C. and Semple, Kirk T.
Abstract

In this study, the indigenous microbial mineralisation of 14C-phenanthrene in seven background soils (four from Norwegian woodland and three from the UK (two grasslands and one woodland)) was investigated. ∑PAHs ranged from 16.39 to 285.54 ng g−1 dw soil. Lag phases (time before 14C-phenanthrene mineralisation reached 5%) were longer in all of the Norwegian soils and correlated positively with TOC, but negatively with ∑PAHs and phenanthrene degraders for all soils. 14C-phenanthrene mineralisation in the soils varied due to physicochemical properties. The results show that indigenous microorganisms can adapt to 14C-phenanthrene mineralisation following diffuse PAH contamination. Considering the potential of soil as a secondary PAH source, these findings highlight the important role of indigenous microflora in the processing of PAHs in the environment.

KeywordsEnvironment science; Soil analysis; Chemistry; Polycyclic aromatic hydrocarbons
Year2017
JournalEnvironmental Science: Processes & Impacts
PublisherRoyal Society of Chemistry
ISSN20507887
20507895
Digital Object Identifier (DOI)https://doi.org/10.1039/C7EM00242D
Web address (URL)http://hdl.handle.net/10545/622083
hdl:10545/622083
Publication dates04 Oct 2017
Publication process dates
Deposited26 Jan 2018, 16:44
Accepted28 Sep 2017
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Archived with thanks to Environmental Science: Processes & Impacts

ContributorsUniversity of Derby, Environment Canada, Federal University Oye-Ekiti, Lancaster University, University of Derby, Environment Canada, Federal University Oye-Ekiti, Lancaster University and Lancaster University
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