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Matthew Stocker

Graduate Student


www.ars.usda.gov/nea/emfsl/matthewstocker

Environmental Microbial and Food Safety Laboratory
USDA, ARS, NEA, BARC, EMFSL
10300 Baltimore Avenue
Building 177C BARC-East, Room 111
Beltsville, MD 20705-2350

 


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Education

  • 2017 M.S. Environmental Science and Technology, University of Maryland
  • 2012 B.S. Environmental Science and Policy, University of Maryland
 

Research Interests

  • Chemical and microbial water quality
  • Fate and transport of chemicals and bacteria
  • Microbial food safety
 

Research Experience

  • Smart tracer for the measurement of microbial activity in a first-order stream
  • Fate and transport of indicator organisms eluted after manure application and rainfall
  • Hyporheic exchange of microbes between sediments and water columns.
  • Spatial and temporal variation of indicator organisms in streams
  • Evaluation of model performance in estimating inactivation of indicators in various water types
  • Algae-E. coli association in surface waters
 

Publications

  • Spatial and temporal variation of fecal indicator organisms in two creeks in Beltsville, Maryland. Stocker, M.D., Rodriguez-Valentin, J.G., Pachepsky, Y.A., Shelton, D.R. Water Quality Research Journal of Canada. (Awaiting Volume Assignment).
  • Irrigation waters and pipe-based biofilms as sources for antibiotic-resistant bacteria. Blaustein, A.R., Shelton, D.R., Van Kessel, J.S., Karns, J.S., Stocker, M.D., Pachepsky, Y.A. Environmental Monitoring and Assessment. 188(1): 1-12.
  • Depth-dependent inactivation of Escherichia coli and Enterococcus faecalis in soil after manure application and simulated rainfall. Stocker, M.D., Pachepsky, Y.A., Hill, R., Shelton, D.R. 2015. Applied and Environmental Microbiology. 81(14):4801-4808.
  • Performance of Weibull and linear semi-logarithmic models in simulating Escherichia coli inactivation in waters. Stocker, M.D, Pachepsky, Y.A., Shelton, D.R. 2014. Journal of Environmental Quality. 43(5):1559-1565.