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Tim Hollibaugh, Co-Investigator / Professor

« Please Note: Tim Hollibaugh is no longer active on the GCE-LTER Project so contact information may not be accurate (see the GCE Personnel page for an up-to-date list of participants) »

Research Emphasis:

Structure and function of microbial communities; role of bacteria in biogeochemical processes; net ecosystem metabolism; polar oceanography; estuaries; human impacts in the coastal zone.

Contact Information:

Primary Organization:  University of Georgia

Mailing Address:

Dr. James T. Hollibaugh
Dept. of Marine Sciences
University of Georgia
Athens, Georgia 30602-3636

Office Phone:  (706) 542-5868

FAX Number:  (706) 542-5888

E-Mail:  aquadoc@uga.edu

Web Page:  http://www.marsci.uga.edu/directory/james-t-hollibaugh

Other Identity Systems:

ORCID:  orcid.org/0000-0001-8037-160X

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GCE Data Sets:

ORG-GCED-1801 (Seasonal Evolution of Terrigenous Dissolved Organic Matter in the South Atlantic Bight off Georgia in 2014)

MIC-GCED-1702 (Coupling between Sediment and Water Column Populations of Ammonia Oxidizing Thaumarchaeota in the Duplin River near Sapelo Island, Georgia)

CHM-OTH-1702 (Chemical speciation of copper in a salt marsh estuary near Sapelo Island, Georgia)

MIC-GCED-1704 (Seasonal Distribution of Ammonia-Oxidizing Archaea and Ammonia-Oxidation Rates in the South Atlantic Bight from April to November 2014)

MIC-GCED-1503 (Concentrations, turnover rates and fluxes of polyamines in coastal waters of the South Atlantic Bight during April and October 2011)

(most recent displayed - view all)

GCE Publications and Presentations: (custom bibliography)

Journal Articles

Liu, Q., Nishibori, N. and Hollibaugh, J.T. 2022. Sources of polyamines in coastal waters and their links to phytoplankton. Marine Chemistry. 242. (DOI: 10.1016/j.marchem.2022.104121)

Damashek, J., Okotie-Oyekan, A., Gifford, S., Vorobev, A., Moran, M.A. and Hollibaugh, J.T. 2021. Transcriptional activity differentiates families of Marine Group II Euryarchaeota in the coastal ocean. Springer Nature. (DOI: 10.1038/s43705-021-00002-6)

Damashek, J., Tolar, B., Liu, Q., Okotie-Oyekan, A., Wallsgrove, N.J., Popp, B.N. and Hollibaugh, J.T. 2018. Microbial oxidation of nitrogen supplied as selected organic nitrogen compounds in the South Atlantic Bight. Limnology and Oceanography. 64:982-995. (DOI: 10.1002/lno.11089)

Liu, Q., Tolar, B., Ross, M., Cheek, J., Sweeney, C., Wallsgrove, N.J., Popp, B.N. and Hollibaugh, J.T. 2018. Light and temperature control the seasonal distribution of Thaumarchaeota in the South Atlantic Bight. ISME Journal. 12:1473-1485. (DOI: 10.1038/s41396-018-0066-4)

Medeiros, P.M., Babcock-Adams, L., Seidel, M., Castelao, R., Di Iorio, D., Hollibaugh, J.T. and Dittmar, T. 2017. Export of terrigenous dissolved organic matter in a broad continental shelf. Limnology & Oceanography. 62:1718-1731. (DOI: 10.1002/lno.10528)

Schaefer, S.C. and Hollibaugh, J.T. 2017. Temperature Decouples Ammonium and Nitrite Oxidation in Coastal Waters. Environmental Science and Technology. 51(6):3157-3164. (DOI: 10.1021/acs.est.6b03483)

Whitby, H., Hollibaugh, J.T. and van den Berg, C.M. 2017. Chemical speciation of copper in a salt marsh estuary and bioavailability to Thaumarchaeota. Special Issue: Organic ligands - A key control on trace metal biogeochemistry in the ocean. Frontiers in Marine Sciences. 4. (DOI: 10.3389/fmars.2017.00178)

Caffrey, J.M., Hollibaugh, J.T. and Mortazavi, B. 2016. Living oysters and their shells as sites of nitrification and denitrification. Marine Pollution Bulletin. (DOI: 10.1016/j.marpolbul.2016.08.038.)

Tolar, B., Powers, L.C., Miller, W., Wallsgrove, N.J., Popp, B.N. and Hollibaugh, J.T. 2016. Ammonia oxidation is inhibited by hydrogen peroxide at environmentally-relevant concentrations. Frontiers in Microbiology.

Tolar, B., Ross, M., Wallsgrove, N.J., Liu, Q., Aluwihare, L.I., Popp, B.N. and Hollibaugh, J.T. 2016. Contribution of ammonia oxidation to chemoautotrophy in Antarctic coastal waters. The ISME Journal. (DOI: 10.1038/ismej.2016.61)

Tolar, B., Wallsgrove, N.J., Popp, B.N. and Hollibaugh, J.T. 2016. Oxidation of urea nitrogen in marine nitrifying communities dominated by Thaumarchaeota. Environmental Microbiology. (DOI: 10.1111/1462-2920.13457)

Givens, C., Ransom, B., Bano, N. and Hollibaugh, J.T. 2015. Comparison of the Gut Microbiomes of 12 Bony Fish and 3 Shark Species. Marine Ecology Progress Series. 518:209-223. (DOI: 10.3354/meps11034)

Liu, Q., Lu, X., Tolar, B., Mou, X. and Hollibaugh, J.T. 2015. Concentrations, turnover rates and fluxes of polyamines in coastal waters of the South Atlantic Bight. Biogeochemistry. Online Early. (DOI: 10.1007/s10533-014-0056-1)

Lu, X., Sun, S., Hollibaugh, J.T. and Mou, X. 2015. Identification of polyamine-responsive bacterioplankton taxa in South Atlantic Bight. Environmental Microbiology Reports. 7(6):831-838. (DOI: 10.1111/1758-2229.12311)

Hollibaugh, J.T., Gifford, S., Moran, M.A., Ross, M., Sharma, S. and Tolar, B. 2014. Seasonal variation in the metratranscriptomes of a Thaumarchaeota population from SE USA coastal waters. ISME Journal. 8:685 - 698. (DOI: 10.1038/ismej.2013.171)

First, M.R., Park, N.Y., Berrang, M.E., Meinersmann, R.J., Bernhard, J.M., Gast, R.J. and Hollibaugh, J.T. 2012. Ciliate Ingestion and Digestion: Flow Cytometric Measurements and Regrowth of a Digestion-Resistant Campylobacter jejuni. Journal of Eukaryotic Microbiology. 59(1):12 - 19. (DOI: 10.1111/j.1550-7408.2011.00589.x)

Hollibaugh, J.T., Gifford, S., Sharma, S., Bano, N. and Moran, M.A. 2011. Metatranscriptomic analysis of ammonia-oxidizing organisms in an estuarine bacterioplankton assemblage. ISME Journal. 5:866-878. (DOI: 10.1038/ismej.2010.172)

Caffrey, J.M., Hollibaugh, J.T., Bano, N. and Haskins, J. 2010. Effects of upwelling on short term variability in microbial processes in estuarine sediments. Aquatic Microbial Ecology. 58:261-271. (DOI: 10.3354/ame01387)

First, M.R. and Hollibaugh, J.T. 2010. Diel depth distributions of microbenthos in tidal creek sediments: high resolution mapping in fluorescently labeled embedded cores. Hydrobiologia. 655(1):149-158. (DOI: 10.1007/s10750-010-0417-2)

First, M.R. and Hollibaugh, J.T. 2010. Environmental Factors Shaping Microbial Community Structure in Salt Marsh Sediments. Marine Ecology Progress Series. 399:15-26. (DOI: 10.3354/meps08385)

Lyons, J.I., Alber, M. and Hollibaugh, J.T. 2010. Ascomycete fungal communities associated with early decaying leaves of Spartina spp. from central California estuaries. Oecologica. 162:435-442. (DOI: 10.1007/s00442-009-1460-4)

First, M.R. and Hollibaugh, J.T. 2009. The model high molecular weight DOC compound, dextran, is ingested by the benthic ciliate, Uronema marinum, but does not supplement ciliate growth. Aquatic Microbial Ecology. 57:79-87. (DOI: 10.3354/ame01338)

Schaefer, S.C., Hollibaugh, J.T. and Alber, M. 2009. Watershed nitrogen input and riverine export on the west coast of the U.S. Biogeochemistry. 93(3):219-233. (DOI: 10.1007/s10533-009-9299-7)

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)

First, M.R. and Hollibaugh, J.T. 2008. Protistan bacterivory and benthic microbial biomass in an intertidal creek mudflat. Marine Ecology Progress Series. 361:59-68. (DOI: 10.3354/meps07422)

Caffrey, J.M., Bano, N., Kalanetra, K. and Hollibaugh, J.T. 2007. Ammonia oxidation and ammonia-oxidizing Bacteria and Archaea populations from estuaries with differing histories of hypoxia. ISME Journal. 1:660-662. (DOI: 10.1038/ismej.2007.79)

Poretsky, R.S., Bano, N., Buchan, A., LeCleir, G., Kleikemper, J., Pickering, M., Pate, W.M., Moran, M.A. and Hollibaugh, J.T. 2005. Analysis of microbial gene transcripts in environmental samples. Applied and Environmental Microbiology. 71: 4121-4126.

Buchan, A., Newell, S.Y., Butler, M., Biers, E.J., Hollibaugh, J.T. and Moran, M.A. 2003. Dynamics of bacterial and fungal communities on decaying salt marsh grass. Applied and Environmental Microbiology. 69:6676-6687.

Books and Book Sections

Pennings, S.C., Alber, M., Alexander, C.R. Jr., Booth, M.G., Burd, A.B., Cai, W.-J., Craft, C.B., DePratter, C., Di Iorio, D., Hollibaugh, J.T., Hopkinson, C.S., Joye, S.B., Meile, C., Moore, W.S., Silliman, B.R., Thompson, V.D. and Wares, J.P. 2012. South Atlantic Tidal Wetlands. Pages 45-61 in: Batzer, D.P. and Baldwin, A. (editors). Wetland Habitats of North America: Ecology and Conservation Concerns. University of California Press, Berkeley, California.

Conference Papers (Peer Reviewed)

Weston, N.B., Hollibaugh, J.T., Sandow, J.T. Jr. and Joye, S.B. 2003. Nutrients and dissolved organic matter in the Altamaha river and loading to the coastal zone. In: Hatcher, K.J. (editor). Proceedings of the 2003 Georgia Water Resources Conference. Institute of Ecology, University of Georgia, Athens, Georgia.

Sheldon, W.M. Jr., Moran, M.A. and Hollibaugh, J.T. 2002. Efforts to link ecological metadata with bacterial gene sequences at the Sapelo Island Microbial Observatory. Pages 402-407 in: Proceedings of the 6th World Multiconference on Systemics, Cybernetics, and Informatics: Information Systems Development II. International Institute of Informatics and Systemics, Orlando, Florida.

Conference Posters and Presentations

Hollibaugh, J.T., Bratcher, A., Cheek, J., Liu, Q., Malagon, E., Popp, B.N., Ross, M., Schaefer, S.C., Sweeney, C., Tolar, B., van den Berg, C.M., Wallsgrove, N.J. and Whitby, H. 2017. Poster: LIGHT AND TEMPERATURE CONTROL THE SEASONAL DISTRIBUTION OF THAUMARCHAEOTA IN THE SOUTH ATLANTIC BIGHT. Fifth International Conference on Nitrification and Related Processes (ICoN5)23-27 July, 2017, 23-27 July, 2017, Vienna, Austria.

Hollibaugh, J.T., Liu, Q., Ross, M., Cheek, J. and Sweeney, C. 2016. Poster: Seasonal Dynamics of Ammonia- and Nitrite-Oxidizing Organisms in the Sediment and Water Column of a Tidal Creek in a Salt Marsh Estuary. ASLO Ocean Sciences Meeting, 21-26 February 2016, New Orleans LA.

Hollibaugh, J.T., Liu, Q., Ross, M., Cheek, J., Sweeney, C., Tolar, B., Hagan, P., Whitby, H., Bratcher, A., Malagon, E., Lynn-Bell, N., Shalack, J., Reddy, C.M. and Walker, J.T. 2016. Poster: Coupling between Sediment and Water Column Populations of Ammonia Oxidizing Thaumarchaeota in a Salt Marsh Estuary.

Tolar, B., Wallsgrove, N.J., Popp, B.N. and Hollibaugh, J.T. 2015. Presentation: Oxidation of ammonia versus urea by marine nitrifying organisms. ASLO Ocean Sciences Meeting, 23 February 2015, Granada Spain.

Hollibaugh, J.T., Gifford, S., Moran, M.A., Ross, M., Sharma, S. and Tolar, B. 2013. Presentation: Seasonal variation in the metratranscriptomes of a Thaumarchaeota population from SE USA coastal waters. ASLO Aquatic Sciences Meeting, 17-22 February, 2013, New Orleans, Louisiana.

Hollibaugh, J.T., Gifford, S., Bano, N., Sharma, S. and Moran, M.A. 2010. Presentation: Analysis of the meta-transcriptome of an ammonia oxidizing Archaea population. US-China Workshop on Geobiological Processes in Extreme Environments, 20 May, 2010, State College PA.

Hollibaugh, J.T., Gifford, S., Bano, N., Sharma, S. and Moran, M.A. 2010. Presentation: Comparison of microdiversity in Crenarchaeota and Bacteria transcripts from a coastal plankton assemblage. 13th International Symposium on Microbial Ecology, 24-28 August, 2010, Seattle Washington.

Hollibaugh, J.T., Gifford, S., Bano, N., Sharma, S. and Moran, M.A. 2010. Presentation: Meta-transcriptomic analysis of a bloom of ammonia oxidizers. Invited seminar, Department of Biology, University of Southern California, 12 January, 2010, Los Angeles CA.

Hollibaugh, J.T., Gifford, S., Bano, N., Sharma, S. and Moran, M.A. 2010. Presentation: The meta-transcriptome of an ammonia oxidizing Archaea bloom in Georgia coastal waters. Session B-14. Ocean Sciences Meeting, 23-27 February 2010, Portland OR.

First, M.R. and Hollibaugh, J.T. 2009. Presentation: Environmental controls on benthic microbial food webs. Microbial Ecology. LTER ASM 2009, 13 Sept, 2009, Estes Park CO.

First, M.R. and Hollibaugh, J.T. 2007. Presentation: Direct uptake of high molecular weight dissolved organic carbon by benthic ciliates. ASLO Aquatic Sciences Meeting, February 2007, Santa Fe, New Mexico.

Hollibaugh, J.T. and Ransom, B. 2007. Poster: Comparison of fish species reveals major differences in the composition of gut microflora. ERF 2007, 4-8 November 2007, Providence, Rhode Island.

First, M. and Hollibaugh, J.T. 2006. Presentation: Temporal and spatial patterns of benthic microbial communities in a subtropical salt marsh (Sapelo Island, GA). Long Term Ecological Research Network All-Scientists Meeting, September 20-24, 2006, Estes Park, Colorado.

First, M.R. and Hollibaugh, J.T. 2006. Diel monitoring of sediment bacteria and protists in a subtropical tidal creek, Sapelo Island, Georgia. ASLO Summer Meeting, June 2006, Victoria, British Colombia.

Hollibaugh, J.T. and Alber, M. 2006. Presentation: Georgia's Coast - Past, present, and future. Georgia Certified Court Reporters Class, September 2006, St. Simons, Georgia.

Lyons, J., Alber, M. and Hollibaugh, J.T. 2006. Poster: Molecular comparison of ascomycete fungal communities on Spartina species found along the east, west, and Gulf coasts of the U.S. LTER All Scientists Meeting, September 20-24, 2006, Estes Park, Colorado.

Lyons, J.I., Alber, M. and Hollibaugh, J.T. 2006. Poster: Molecular comparison of ascomycete fungal communities on Spartina species found along the east, west, and Gulf coasts of the U.S. Southeastern Estuarine Research Society. March 30-April 1, 2006, St. Augustine, Florida.

Alber, M. and Hollibaugh, J.T. 2003. Presentation: Georgia Coastal Research: Science and Management. Southeastern Coastal Ocean Research Conference. Jan. 2003, Charleston, SC.

Hollibaugh, J.T. 2003. Presentation: Metagenomic analysis of natural microbial communities. LTER All Scientists Meeting. 17-21 September 2003, Seattle, WA.

Lyons, J.I., Biers, E.J., Newell, S.Y., Moran, M.A. and Hollibaugh, J.T. 2003. Poster: Microbial Interactions on Decaying Spartina alterniflora in a GCE-LTER Salt Marsh. Long-Term Ecological Research (LTER) All Scientists Meeting. September 18-23, 2003, Seattle, Washington.

Sheldon, W.M., Moran, M.A. and Hollibaugh, J.T. 2003. Presentation: Efforts to Link Ecological Metadata with Bacterial Gene Sequences at the Sapelo Island Microbial Observatory. 2003 LTER All-Scientists Meeting. Sept. 18-21, 2003, Seattle, WA.

Sheldon, W.M. Jr., Chalmers, A.G. and Hollibaugh, J.T. 2000. Poster: Georgia Coastal Ecosystems - A New Coastal Site in the Long Term Ecological Research Network. Poster presented at the LTER All Scientists Meeting, August, 2000, Snowbird, Utah.