Lack of correlation between turnover of low-molecular-weight dissolved organic carbon and differences in microbial community composition or growth across a soil pH gradient

Johannes Rousk, Philip C. Brookes, Helen C. Glanville, David L. Jones

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

We studied how soil pH (pHs 4 to 8) influenced the mineralization of low-molecular-weight (LMW)-dissolved organic carbon (DOC) compounds, and how this compared with differences in microbial community structure. The mineralization of LMW-DOC compounds was not systematically connected to differences in soil pH, consistent with soil respiration. In contrast, the microbial community compositions differed dramatically. This suggests that microbial community composition data will be of limited use in improving the predictive power of soil C models.

Original languageEnglish
Pages (from-to)2791-2795
Number of pages5
JournalApplied and Environmental Microbiology
Volume77
Issue number8
DOIs
Publication statusPublished - Apr 2011
Externally publishedYes

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