Microbiology Experts

Deborah Repert

The U.S. Geological Survey
United States Virgin Islands


Deb Repert has worked with the USGS since 1998 as a microbiologist focusing on nitrogen cycling processes in aquatic environments. She is interested in the physical, chemical and microbiological processes controlling the transport and fate of nutrients in both pristine and contaminated environments. She received an undergraduate degree in Biology from Clarkson University and a Master's degree in Zoology with an emphasis in microbiology and stream ecology from Michigan State University.

Research Interest

aquatic ecosystems ecological processes freshwater ecosystems


  • Smith, R.L., Repert, D.A., Barber, L.B., and LeBlanc, D.R., 2013, Long-term groundwater contamination after source removal—The role of sorbed carbon and nitrogen on the rate of reoxygenation of a treated-wastewater plume on Cape Cod, MA, USA: Chemical Geology v. 337-338, p. 38-47.

  • Repert, D.A., Smith, R.L., Underwood, J.C., and Song, B., 2014, Nitrogen cycling processes and microbial community composition in bed sediments in the Yukon River at Pilot Station: Journal of Geophysical Research: Biogeosciences, v. 119, p. 2328-2344, doi:

  • Stoliker, D.L., Repert, D.A., Smith, R.L., Song, B., LeBlanc, D.R., McCobb, T.M., Conaway, C.H., Hyun, S.P., Koh, D.-C., Moon, H.S., Kent, D.B., 2016, Hydrologic controls on nitrogen cycling processes and functional gene abundance in sediments of a groundwater flow-through lake: Environmental Science and Technology, in press,

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