research overview My research focuses on two areas of inquiry: effective pedagogical practices in undergraduate biology education; and the ecology of apple tree orchards. I mentor undergraduate students in both of these areas of my research program.
selected publications journal article Functional redundancy in local spatial scale microbial communities suggests stochastic processes at an urban wilderness preserve in Austin, TX, USA. FEMS Microbiology Letters. 2021 Variation of near surface atmosphere microbial communities at an urban and a suburban site in Philadelphia, PA, USA. Science of the Total Environment. 2020 Variable Influences of Water Availability and Rhizobacteria on the Growth of Schizachyrium scoparium (Little Bluestem) at Different Ages. Frontiers in Microbiology. 2019 Decreases in average bacterial community rRNA operon copy number during succession. The ISME Journal. 1147-1156. 2016 Dissolved Organic Matter Quality in a Shallow Aquifer of Bangladesh: Implications for Arsenic Mobility. Environmental Science and Technology. 10815-10824. 2015 Palm oil wastewater methane emissions and bioenergy potential. Nature Climate Change. 151-152. 2014 Patterns and Processes of Microbial Community Assembly. Microbiology and Molecular Biology Reviews. 342-356. 2013 Bacteria and diatom co-occurrence patterns in microbial mats from polar desert streams. Environmental Microbiology. 1115-1131. 2013 Bacterial community structure and function change in association with colonizer plants during early primary succession in a glacier forefield. Soil Biology and Biochemistry. 172-180. 2012 Carbon, metals, and grain size correlate with bacterial community structure in sediments of a high arsenic aquifer. Frontiers in Microbiology. 2012 Minimum information about a marker gene sequence (MIMARKS) and minimum information about any (x) sequence (MIxS) specifications. Nature Biotechnology. 415-420. 2011 Dissolved Organic Matter Sources and Consequences for Iron and Arsenic Mobilization in Bangladesh Aquifers. Environmental Science and Technology. 123-128. 2010
education and training Ph.D., University of Colorado Boulder 2013 M.A., University of Colorado Boulder 2008 B.S., University of Oregon 2003