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Dr. Samantha (Mandy) B. Joye
Professor

Mailing Address:
Dr. Mandy Joye
Department of Marine Sciences
University of Georgia
Athens, GA 30602-3636

Office Phone: (706) 542-5893
Lab Phone: (706) 542-6818
FAX Number: (706) 542-5888
E-Mail: mjoye@uga.edu
Home Page: www.marsci.uga.edu/FacultyPages/
Joye/index.html

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Education:

Ph.D. 1993, University of North Carolina, Chapel Hill, NC

B.Sc. 1987, University of North Carolina, Chapel Hill, NC

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Research Emphasis:

Biogeochemical cycling of nutrients, metals, and organic materials in coastal environments; biogeochemistry of methane hydrate and chemosynthetic habitats; ecosystem and geochemical modeling; microbial ecology, metabolism and physiology; molecular biology; global nitrogen cycle, global methane cycle.

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Publications (last three years only, out of 68 total):

Edmonds, J. W., N. B. Weston, S. B. Joye and M. A. Moran, 2008. Variation in prokaryotic community composition as a function of resource availability in tidal creek sediments. Applied and Environmental Microbiology, in press.

Krüger, M., H. Wolters, M. Gehre, S. B. Joye, and H.-H. Richnow, 2008. Tracing the slow growth of anaerobic methane oxidizing communities by 15N-labeling techniques. FEMS Microbiology Ecology, 63(3): 401-411, doi: 10.1111/j.1574-6941.2007.00431.x.

Orcutt, B. N., V. Samarkin, A. Boetius and S. B. Joye, 2008. On the relationship between methane production and oxidation by anaerobic methanotrophic communities from cold seeps of the Gulf of Mexico.  Environmental Microbiology, published online 23-Jan-2008; doi: 10.1111/j.1462-2920.2007.01526.x.

Lee, R. Y., W. P. Porubsky, I. C. Feller, K. L. McKee and S. B. Joye, 2008. Porewater biogeochemistry and soil metabolism in dwarf red mangrove habitats (Twin Cays, Belize).  Biogeochemistry, published online, 10.1007/s10533-008-9176-9.

Joye, S. B. and I. Anderson, 2007. Nitrogen cycling in Estuarine and Nearshore Sediments. In: Capone, D., Bronk, D., Carpenter, E. and Mulhollond, M. (Eds), Nitrogen in the Marine Environment, Springer Verlag, in press.

Joye, S. B., P. Cook, and D. de Beer (2007)  The Biogeochemistry of Tidal Flats.  In: Perillo, G. M. E., E. Wolanski, D. Cahoon, and M. Brinson (Eds), Coastal Wetlands: An Integrated Ecosystem Approach, Elsevier, in press.

Howard, E. C., J. R. Henricksen, A. Buchan, C. R. Reisch, B. Burgmann, R. Welsh, W. Ye, J. M. Gonzalez, K. Mace, S.  B. Joye, R. P. Keine, W. B. Whitman, and M. A. Moran  (2006) Bacterial taxa that limit sulfur flux from the ocean. Science, 314: 649-652.

Kniemeyer, O., F. Musat, S. M. Sievert, K. Knittel, H. Wilkes, M. Blumenberg, W. Michaelis, A. Classen, C. Bolm, S. B. Joye, and F. Widdel (2007) Anaerobic oxidation of propane and ethane by novel marine sulphate-reducing bacteria. Nature, 10.1038/nature06200.

Roberts, H. H., C. Fisher, B. Bernard, J. Brooks, M. Bright, R. Carney, E. Cordes, S. Hourdez, J. Hunt, S. Joye, I. MacDonald, C. Morrison, K. Nelson, V. Samarkin, W. Shedd, E. Becker, M. Bernier, M. Bowles, L. Goehring, M. Kupehik, S. Lessard-Pilon, H. Niemann, C. Petersen, J. Petersen, J. Potter, and G. Telesnicki (2007)  ALVIN Explores the Deep Northern Gulf of Mexico Slope. EOS Transactions of the American Geophysical Union, 88: 341-342.

Bailey, J. V., S. B. Joye , K. M. Kalanetra, B. E. Flood, and F. A. Corsetti, 2007. Palaeontology: Undressing and redressing Ediacaran embryos. Nature 446 , E10 - E11 (05 Apr 2007).

Bailey, J. V., S. B. Joye , K. M. Kalanetra, B. E. Flood, and F. A. Corsetti, 2007. Evidence for giant sulfur bacteria in Neoproterozoic phosphorites. Nature , 10.138/nature05457 (published on-line 20 Dec 2006; published in print 11 Jan 2007) .

Howard, E. C., J. R. Henricksen, A. Buchan, C. R. Reisch, B. Burgmann, R. Welsh, W. Ye, J. M. Gonzalez, K. Mace, S. B. Joye , R. P. Keine, W. B. Whitman, and M. A. Moran. 2006. Bacterial taxa that limit sulfur flux from the ocean. Science , 314: 649-652.

Moore, W. S., J. Blanton, and S. B. Joye , 2006. Estimates of flushing times, submarine groundwater discharge, and nutrient fluxes to Okatee Estuary, South Carolina . Journal of Geophysical Research , Vol. 111, No. C9, C09006, 10.1029/2005JC003041 .

Smith, V., S. B. Joye & R. W. Howarth, 2006. Eutrophication in aquatic ecosystems. Limnology & Oceanography, 51(2): 351-355.

Weston, N. B., R. Dixon, and S. B. Joye , 2006. Microbial and geochemical ramifications of salinity intrusion into tidal freshwater sediments. Journal of Geophysical Research: Biogeosciences , 111: (G1): G01009, 10.1029/2005JG00007 .

Weston, N. B., W. P. Porubsky, V. Samarkin, S. MacAvoy, M. Erickson, and S. B. Joye , 2006. Pore water stoichiometry of terminal metabolic products, sulfate, and dissolved organic carbon and nitrogen in intertidal creek-bank sediments. Biogeochemistry , 77: 375-408.

Lee, R. Y., and S. B. Joye , 2006. Patterns and controls on nitrogen fixation and denitrification in intertidal sediments of a tropical oceanic mangrove island. Marine Ecology Progress Series, 307: 127-141.

Nercessian, O., M. G. Kalyuzhnaya, S. B. Joye , M. E. Lidstrom, and L. Chistoserdova, 2005. Analysis of fae and fhcD genes in Mono Lake , California . Applied and Environmental Microbiology , 71: 8949-895 .

Niemann, H., M. Elvert, E. Damm, J. Gutt, B. Orcutt, I. Suck, G. Wendt, J. Wunderlich, S. B. Joye , K. Finster, and A. Boetius, 2005. Methane emission and consumption at a North Sea pockmark (Tommeliten area). Biogeosciences , 2: 335-351 .

Weston, N. B. and S. B. Joye . 2005. Temperature driven accumulation of labile dissolved organic carbon in marine sediments. Proceedings of the National Academy of Sciences (US) , 102: 17036-17040.

Lin, J.-L., S. B. Joye , H. Schafer, J. C. M. Scholten, I. McDonald, and J. C. Murrell, 2005. Analysis of methane monooxygenase genes in Mono Lake suggests that increased methane oxidation activity may correlate with a change in methanotroph community structure. Applied and Environmental Microbiology , 71: 6458-6462.

Kalanetra, K. M., S. B. Joye , N. R. Sunseri, and D. C. Nelson, 2005. Novel, large, vacuolate, nitrate-accumulating sulfur bacteria discovered in the Gulf of Mexico reproduce by reductive division in three dimensions. Environmental Microbiology , 7(9): 1451-1460.

Orcutt, B. N., V. Samarkin, A. Boetius, M. Elvert, and S. B. Joye , 2005. Molecular biogeochemistry of sulfate reduction, methanogenesis and the anaerobic oxidation of methane at Gulf of Mexico methane seeps. Geochimica et Cosmochimica Acta , 69: 4267-4281.

Scholten, J. C. M . , S. B. Joye , J. T. Hollibaugh, and J. C. Murrell, 2005. Molecular analysis of the sulfate reducing and methanogenic community in a meromictic lake (Mono Lake, California) by targeting 16SrRNA, Methyl CoM-, APS- and DSR- genes. Microbial Ecology , 50: 29-39.

Magalhães, C. M., W. J. Wiebe, S. B. Joye and A. A. Bordalo , 2005 . Nitrogen cycle dynamics and processes in intertidal rocky biofilms and adjacent sediment of the Douro River estuary ( Portugal ). Estuaries , 28(4): 592-607.

Hollibaugh, J. T., S. Carini, R. Jellison, S. B. Joye , G. LeCleir, C. Meile, L. Vasquez, H. Gürleyük, and D. Wallschläger, 2005. Distribution of arsenic species in an alkaline, hypersaline, meromictic lake in response to the seasonal stratification. Geochimica et Cosmochimica Acta , 69(8): 1925-1937.

Carini, S. A., G. LeCleir, N. Bano, and S. B. Joye , 2005. Activity, abundance and diversity of aerobic methanotrophs in an alkaline, hypersaline lake ( Mono Lake , CA , USA ). Environmental Microbiology, 7(8): 1127-1138.

Magalhães, C. M., S. B. Joye , R. M. Moreira, W. J. Wiebe, and A. A. Bordalo , 2005. Salinity and inorganic nitrogen effects on nitrification and denitrification rates in intertidal sediments and rocky biofilms: Douro River estuary, Portugal . Water Research , 39(9): 1783-1794.

Joye, S. B. , I. R. MacDonald, J. P. Montoya, and M. Peccini, 2005. Geophysical and geochemical signatures of Gulf of Mexico seafloor brines. Biogeosciences , 2: 637-671 .

Submitted Manuscripts

Porubsky, W. P., N. B. Weston, and S. B. Joye (in review) Interactions between benthic primary production, denitrification and dissimilatory nitrate reduction to ammonium in intertidal sediments. Estuarine Coastal and Shelf Science.

Porubsky, W. P., L. Velasquez, and S. B. Joye (in review) Nutrient replete benthic microalgae as a source of labile dissolved organic carbon to coastal waters. Estuaries and Coasts.

Orcutt, B. N., J. S. Lipp, K. Knittel, K.-U. Hinrichs, S. B. Joye, and A. Boetius (in revision). Microbial community composition and activity in hydrate-bearing deep subsurface sediments of Hydrate Ridge (Cascadia Margin, ODP Leg 204). Geochimica et Cosmochimica Acta.

Carini, S. A., and S. B. Joye (in review) Nitrification in Mono Lake, California (USA): Activity and community composition during contrasting hydrological regimes. Limnology and Oceanography.

Craft, C., J. Clough, J. Ehman, H. Guo, S. Joye, M. Machmuller, D. Park, and S. Pennings (in review). Effects of accelerated sea level rise on ecosystem services provided by tidal marshes: A simulation of the Georgia (Coast). Frontiers in Ecology and Environment.

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