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Filtering by: Has journal Microbial Ecology Remove constraint Has journal: Microbial Ecology Advisor Myrold, David D. Remove constraint Advisor: Myrold, David D. Subject Carbon cycle (Biogeochemistry) Remove constraint Subject: Carbon cycle (Biogeochemistry)

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  • Microbial community dynamics associated with rhizosphere carbon flow

    Creator:
    Butler, Jessica L.
    Abstract:
    The cycling of root-deposited photo synthate (rhizodeposition) through the soil microbial biomass is widely recognized as a critical component of ecosystem functioning. Little is currently known about the flow of photosynthate through the microbial biomass however. My research goal was to examine if and how the flow of root-deposited photo...
    Resource Type:
    Masters Thesis
    Full Text:
    , J.J. 2002. Stable isotopes and biomarkers in microbial ecology. FEMS Microbiology Ecology 40, 85-95

  • Linking soluble C to microbial community composition and dynamics during decomposition of ¹³C-labeled ryegrass

    Creator:
    McMahon, Shawna K.
    Abstract:
    Ryegrass residue consists of three main C fractions: readily available soluble C, intermediately available cellulose and hemicellulose, and slowly available lignin. Changes in chemical composition during decomposition influence rate of degradation as well as composition of the microbial community involved. Use of ¹³C-labeled plant material coupled with analysis of phospholipid...
    Resource Type:
    Masters Thesis
    Full Text:
    soil microbial ecology, an examination of current methodology and some of the limitations of PLFA

  • Toward understanding the nature of the soil microsite in relation to nitrogen and carbon cycling

    Creator:
    Cliff, John B.
    Abstract:
    My research has focused on understanding N and C cycling in soils at small scales. Isotope dilution methods commonly used to estimate gross rates of soil chemical transformations assume homogeneous distribution of label. I explored the effects of diffusion limitations on isotope dilution experiments in soil aggregates using spherical diffusion-reaction...
    Resource Type:
    Dissertation
    Full Text:
    this scale, these results illustrate the powerful potential of TOF-SIMS to explore microbial activity