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Spatiotemporal Changes Of Microbial Community Assemblages And Functions In The Subsurface, Madison C. Davis
Spatiotemporal Changes Of Microbial Community Assemblages And Functions In The Subsurface, Madison C. Davis
USF Tampa Graduate Theses and Dissertations
The subsurface hosts diverse microbial community assemblages and functions. These communities play an important role in biogeochemical cycling and groundwater purification. Many physicochemical factors affect microbial communities and can cause short-term or long-term perturbations. Subsurface microbes are susceptible to anthropogenic changes in the environment, which can be caused by nutrient inputs or municipal groundwater extraction. Despite the importance of the subsurface microbiome, these microbial communities are poorly characterized. This dissertation describes the characterization of spatiotemporal drivers of subsurface microbial communities through a variety of techniques that include eDNA analyses, bioinformatics, hydrochemical analyses, stable isotope geochemistry, and multivariate statistics. Three coastal …