Michael S. Owens

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Suspension-feeding eastern oysters, Crassostrea virginica, were once abundant in Chesapeake Bay and may then have exerted top-down control on phytoplankton and also reduced turbidities, thereby increasing light available to benthic plants. Alternatively, oysters may have simply recycled inorganic nutrients rapidly back to the water column, with no(More)
Multi-year nitrogen (N) and phosphorus (P) budgets were developed for the Patuxent River estuary, a seasonally stratified and moderately eutrophic tributary of Chesapeake Bay. Major inputs (point, diffuse, septic, and direct atmospheric) were measured for 13 years during which, large reductions in P and then lesser reductions in N-loading occurred due to(More)
Acknowledgements W ashington Sea Grant expresses its appreciation to the many individuals who provided information and support for this report. In particular, we gratefully acknowledge research program funding provided by the Washington State We also would like to thank shellfish growers who cooperated with program investigators to make this research(More)
The measurement of sediment-water exchange of gases and solutes in aquatic sediments provides data valuable for understanding the role of sediments in nutrient and gas cycles. After cores with intact sediment-water interfaces are collected, they are submerged in incubation tanks and kept under aerobic conditions at in situ temperatures. To initiate a time(More)
Personas: detailed portraits of fictional characters representing the real viewpoints expressed by participants Executive Summary In April of 2012, the Georgia Department of Community Health (DCH) partnered with researchers from Georgia Tech's Institute for People and Technology to conduct research and gather community input on the goals, motivations, and(More)
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