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Samantha Joye

Department of Marine Sciences, University of Georgia

Biogeochemistry, Microbial Ecology

Issues of Interest:
Non-point source pollution (groundwater), nutrient dynamics, microalgal production, trace gas (methane, nitrous oxide) dynamics

Current Projects:

1. Assessing the Impact of Residential Development and Recreational Land Use on Shallow Groundwater Quality in Coastal Environments

2. Groundwater-derived nitrogen and phosphorus inputs to the Satilla River estuary: impacts on coastal ecosystem health

3. The role of groundwater in the biogeochemical cycles of nitrogen and phosphorus in SC coastal waters

4. The role of intertidal sediment processes in mediating coastal ecosystem health

5. Georgia Coastal Ecosystems Long Term Ecological Research Program (sediment biogeochemistry, Altamaha River water chemistry)

Our work focuses on the Altamaha River, on Sapelo Island and in the Satilla River estuary (Dover Bluff and White Oak Creek). We also have field sites in South Carolina, near Bluffton.

Other Project Links:

Ephemeral Microbial Mats in the Satilla River
     Deborah A. Bronk* and Samantha Joye (Dept of Marine Sciences, Univ of Georgia, *currently at the Virginia Inst. of Marine Science, College of William and Mary)

Dissolved Inorganic Nitrogen and Nitrous Oxide Concentrations in the Groundwater of Two Selected Sites in Coastal Georgia and South Carolina
    Samantha B. Joye (Dept. of Marine Sciences, Univ. of Georgia)


Recent Publications:

Porubsky, W.P., Joye, S.B., Moore, W.S., Tuncay, K. and Meile, C. 2010. Hammock groundwater flow and biogeochemistry: Field measurements and modeling. Biogeochemistry. (DOI: DOI 10.1007/s10533-010-9484-8)

Craft, C.B., Clough, J., Ehman, J., Joye, S.B., Park, R., Pennings, S.C., Guo, H. and Machmuller, M. 2009. Forecasting the effects of accelerated sea level rise on tidal marsh ecosystem services. Frontiers in Ecology and the Environment. 7(2):73-78. (DOI: 10.1890/070219)

Edmonds, J.W., Weston, N.B., Joye, S.B., Mou, X. and Moran, M.A. 2009. Microbial Community Response to Seawater Amendment in Low-Salinity Tidal Sediments. Microbial Ecology. 58(3):558-568. (DOI: 10.1007/s00248-009-9556-2)

Lasher, C., Dyszynski, G., Everett, K., Ye, W., Sheldon, W.M. Jr., Joye, S.B., Moran, M.A. and Whitman, W.B. 2009. The diverse bacterial community in intertidal, anaerobic sediments at Sapelo Island, Georgia. Microbial Ecology. 58(2):244-261. (DOI: 10.1007/s00248-008-9481-9)

Porubsky, W.P., Weston, N.B. and Joye, S.B. 2009. Benthic metabolism and the fate of dissolved inorganic nitrogen in intertidal sediments. Estuarine Coastal and Shelf Science. 83(4):392-402. (DOI: 10.1016/j.ecss.2009.04.012)

Weston, N.B., Hollibaugh, J.T. and Joye, S.B. 2009. Population growth away from the coastal zone: Thirty years of land use change and nutrient export from the Altamaha River, GA. Science of the Total Environment. 407:3347-3356. (DOI: 10.1016/j.scitotenv.2008.12.066)

Edmonds, J.W., Weston, N.B., Joye, S.B. and Moran, M.A. 2008. Variation in Prokaryotic Community Composition as a Function of Resource Availability in Tidal Creek Sediments. Applied and Environmental Microbiology. 74(6):1836-1844. (DOI: 10.1128/AEM.00854-07)

Porubsky, W.P., Velasquez, L.E. and Joye, S.B. 2008. Nutrient replete benthic microalgae as a source of labile dissolved organic carbon to coastal waters. Estuaries and Coasts. 31(5):860-876. (DOI: 10.1007/s12237-008-9077-0)  


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This page was updated February 4, 2016