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Mercury Cycling In Sulfur Rich Sediment From The Brunswick Estuary, Travis William Nicolette
Mercury Cycling In Sulfur Rich Sediment From The Brunswick Estuary, Travis William Nicolette
Electronic Theses and Dissertations
Mercury is potentially toxic to the environment. Mercury is absorbed into anaerobic sediments of surface waters, which may be converted to methylmercury, a toxic form of mercury that bio-accumulates in aquatic biota. Sources of mercury in the environment vary, but the production of methylmercury is common in sulfur-rich sediments containing mercury. In such environments, sulfur reducing bacteria (SRB) produce methylmercury as a by-product. The metabolic process uses energy from the reduction of sulfate to sulfide. This study focuses on determining the methylmercury production and release potential from sulfur-rich sediments extracted from different areas of the Brunswick Estuary. Previous studies note …