• Publications
  • Influence
Impacts of Carbon and Flooding on Soil Microbial Communities: Phospholipid Fatty Acid Profiles and Substrate Utilization Patterns
A bstractPhospholipid fatty acid (PLFA) profiles provide a robust measure that can be used to fingerprint the structure of soil microbial communities, and measure their biomass. A replicated fieldExpand
  • 950
  • 75
Determinants of Soil Microbial Communities: Effects of Agricultural Management, Season, and Soil Type on Phospholipid Fatty Acid Profiles
A bstractPhospholipid fatty acid (PLFA) profiles were measured in soils from organic, low-input, and conventional farming systems that are part of the long term Sustainable Agriculture FarmingExpand
  • 930
  • 55
Application of Real-Time PCR To Study Effects of Ammonium on Population Size of Ammonia-Oxidizing Bacteria in Soil
ABSTRACT Ammonium oxidation by autotrophic ammonia-oxidizing bacteria (AOB) is a key process in agricultural and natural ecosystems and has a large global impact. In the past, the ecology andExpand
  • 403
  • 44
  • PDF
Long-term effects of mineral fertilizers on soil microorganisms – A review
Abstract Increasing nutrient inputs into terrestrial ecosystems affect not only plant communities but also associated soil microbial communities. Studies carried out in predominantly unmanagedExpand
  • 476
  • 37
Biodegradation of Methyl tert-Butyl Ether by a Bacterial Pure Culture
ABSTRACT A bacterial strain, PM1, which is able to utilize methyltert-butyl ether (MTBE) as its sole carbon and energy source, was isolated from a mixed microbial consortium in a compost biofilterExpand
  • 206
  • 34
  • PDF
Changes in Soil Chemical Properties Resulting from Organic and Low-Input Farming Practices
levels in the organic system indicate that animal manures did not increase salinity. Overall, our findings indicate that organic and lowSoil chemical properties during the transition fromExpand
  • 410
  • 32
  • PDF
Nitrate removal, communities of denitrifiers and adverse effects in different carbon substrates for use in denitrification beds.
Denitrification beds are containers filled with wood by-products that serve as a carbon and energy source to denitrifiers, which reduce nitrate (NO(3)(-)) from point source discharges intoExpand
  • 214
  • 30
  • PDF
On-Farm Assessment of Soil Quality in California ’ s Central Valley
Program, 1990; Mitchell et al., 1999). Mitchell et al. (1999) also reported a perceived decline in soil quality The high-value, large-scale crop production systems in the San among producers. As aExpand
  • 167
  • 30
Substrate interactions in BTEX and MTBE mixtures by an MTBE-degrading isolate.
Groundwater contaminant plumes from recent accidental gasoline releases often contain the fuel oxygenate MTBE (methyl tert-butyl ether) together with BTEX (benzene, toluene, ethylbenzene, o-xylene,Expand
  • 162
  • 20
Analysis of phospholipid fatty acids (PLFA) to characterize microbial communities in aquifers
Abstract This paper reviews published applications of lipid-based biochemical techniques for characterizing microbial communities in aquifers and other deep subsurface habitats. These techniques,Expand
  • 205
  • 18