The fate of 14C-naphthalene in soil microcosms containing Scots pine seedlings and enchytraeids

Louise A. Uffindell*, Andy A. Meharg

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The fate of freshly spiked and aged 14C-naphthalene associated residues as investigated in the presence and absence of ectomycorrhizal Scots pine seedlings and enchytraeid worms, in a factorial experimental design. Microcosms were used which enabled the 14C-labelled naphthalene associated residues to be quantified, including plant lipids which acted as an additional naphthalene sink within the microcosms. The presence of plant roots altered the availability of the 14C-naphthalene and associated residues to degrading microbes. Mineralisation and volatilisation of 14C naphthalene in freshly spiked soil were lower in the presence of Scots pine. Conversely, in soil aged for 180 d, Scots pine increased mineralisation, and bioavailability of naphthalene. Root-mediated processes, microbial activity and enchytraeids interact with desorption, bioavailability and mineralisation of naphthalene.

Original languageEnglish
Pages (from-to)560-566
Number of pages7
JournalSoil Biology and Biochemistry
Volume39
Issue number2
DOIs
Publication statusPublished - Feb 2007

Keywords

  • Ageing
  • Desorption
  • Enchytraeids
  • Naphthalene
  • Scots pine

ASJC Scopus subject areas

  • Soil Science
  • Biochemistry
  • Ecology

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