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Environmental Microbiology and Microbial Ecology Commons

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Full-Text Articles in Environmental Microbiology and Microbial Ecology

Characterizing The Dormancy And Repair Of A Circumneutral Passive Remediation System Receiving Iron And Sulfate-Rich Amd, Garrett Struble May 2021

Characterizing The Dormancy And Repair Of A Circumneutral Passive Remediation System Receiving Iron And Sulfate-Rich Amd, Garrett Struble

Electronic Theses and Dissertations

The Wingfield Pines remediation system is a ~20-acre circumneutral, gravity-fed system constructed in 2009 to passively remediate Fe from an ~2000 gallon/minute effluent. In 2017, a fracture to the system’s underground cavern caused the AMD effluent to bypass the system, flowing directly into Chartiers Creek and leaving the system decommissioned between 2017-2019. Soil slurry and water samples were collected in the weeks prior to the system’s reinstalment in September 2019 through January 2020 in order to determine the effect of the repair on remediation efficiency and microbial community composition. This study acted as the first to describe the temporary decommissioning …


Project Alien, Rebecca Mccallin, Madelyn Hoying, Alex Evans, Matthew Nestler, Karli Rae Sutton, Garett Craig, Lucia Secaia Del Cid, Alexander Guy, Rachel Fernandez, Amanda Trusiak, Paige Aley, Ingabire Gakwerere, Nina Dorfner, Maria Mosbacher, Mary Flavin, Selvin Hernandez, Audrey Steen, Benjamin Kazimer Apr 2021

Project Alien, Rebecca Mccallin, Madelyn Hoying, Alex Evans, Matthew Nestler, Karli Rae Sutton, Garett Craig, Lucia Secaia Del Cid, Alexander Guy, Rachel Fernandez, Amanda Trusiak, Paige Aley, Ingabire Gakwerere, Nina Dorfner, Maria Mosbacher, Mary Flavin, Selvin Hernandez, Audrey Steen, Benjamin Kazimer

Undergraduate Research and Scholarship Symposium

Project ALIEN is a comprehensive plan to send humans to Mars to look for life on the Martian surface while exploring the viability and adaptability of terrestrial microbes in Martian atmospheric conditions. ALIEN will use a ballistic capture trajectory to get to Mars and stay in aerostationary orbit for a 30-day surface mission, during which two surface crewmembers will perform a variety of experiments to achieve the mission’s goals of Martian microbial discovery within brines of the Gale Crater and terrestrial microbe adaptability and viability to Martian conditions. Experimentation is based on the presumption that Martian microbes are metabolically similar …