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Discrimination Of Human And Non-Human Sources Of Pollution In Gulf Of Mexico Waters By Microbial Source Tracking Methods And The Investigation Of The Influence Of Environmental Factors On Escherichia Coli Survival, Asja Korajkic
USF Tampa Graduate Theses and Dissertations
Water quality worldwide is assessed by enumeration of fecal indicator bacteria (FIB) (fecal coliforms, Escherichia coli, and enterococci) intended to act as surrogates for human enteric pathogens. In environmental waters, this predictive relationship is confounded by many possible sources of FIB with varying implications for human health. Many physico-chemical and biological factors influence the fate of enteric pathogens and FIB in aquatic habitats, but are poorly understood, thus limiting our understanding of the usefulness of FIB as fecal pollution indicators.
These studies explored the field application of a “toolbox” approach to microbial source tracking (MST) intended to discriminate between human …