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Shayna Keller
Fellowship Institution:
Environmental Protection Agency Office of Water Office of Science and TechnologyStart Year:
2025Shayna is working at the Environmental Protection Agency in the Office of Water and Office of Science and Technology as their Nutrient, Harmful Algal Bloom, and Biocriteria Fellow. Shayna recently received her master’s degree from the University of Maryland Center for Environmental Science at Horn Point Laboratory in Cambridge, MD. Her research focused on molecularly identifying a filamentous cyanobacteria, Microseira wollei, and studying its effects on a large recovering aquatic grass bed on the Susquehanna Flats, in the northern portion of the Chesapeake Bay. While at Horn Point Laboratory, she co-chaired the campus chapter of the Society for Women in Marine Science and collaborated with the education committee to lead outreach efforts in the local community.
As a Maryland native, Shayna developed a deep love for the Chesapeake Bay at an early age. She has carried this passion for the water into her career, striving to protect waterways like the Chesapeake Bay from nutrient pollution. During her free time, Shayna enjoys rock climbing, hiking, and snowboarding. She also loves exploring National Parks to appreciate their unique geology, fauna, and flora.
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Sea Grant Film Explores a Diminishing Smithville
Smithville is a community on Maryland’s Eastern Shore, on the edge of the Blackwater National Wildlife Refuge. A century ago, Smithville had more than 100 residents. Today, it has four, in two homes: an elderly couple, and one elderly woman and her son, who cares for her.
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Featured Research Project
Geochronology Study of Per- and Polyfluoroalkyl Substances Deposition and Ecosystem Response in the Chesapeake & Maryland Coastal Bays
Per- and polyfluoroalkyl substances (PFAS) are environmentally persistent contaminants linked to adverse health outcomes in humans and wildlife. In Maryland's Chesapeake Bay and Coastal Bays, PFAS accumulation in sediments and biota, as well as their ecological impacts, remain poorly understood. This project will reconstruct multidecadal PFAS deposition histories using sediment cores, apply microbial community profiling to assess benthic ecosystem responses, and translate findings into practical guidance for aquaculture and environmental management.