CURRICULUM VITAE

RONALD BENNER   

Department of Biological Sciences                                              Phone:  (803) 777-9561
University of South Carolina                                                       Fax:  (803) 777-4002
Columbia, SC 29208                                                                 Email: benner@biol.sc.edu                                                                                                                         
EDUCATION:
B.S.                 1979                Florida International University                       Biology
Ph.D.               1984                University of Georgia                                     Microbiology
Dissertation: Microbial degradation of detrital lignocelluloses in marine and freshwater ecosystems (Advisor: Robert E. Hodson) 

EMPLOYMENT HISTORY:

1999 - present   Professor, Department of Biological Sciences, Univ. of South Carolina
2000 – 2001      Assistant Director of the Marine Science Program, Univ. of South Carolina
1998 - 1999      Professor and Senior Research Scientist, Department of Marine Science and   
                          Marine Science Institute, Univ. of Texas at Austin
1993 - 1998      Associate Professor, Department of Marine Science, Univ. of Texas at Austin
1990 - 1993      Assistant Professor, Department of Marine Science, Univ. of Texas at Austin
1987 - 1998      Research Scientist, Univ. of Texas Marine Science Institute, Port Aransas, TX
1986 - 1987      Research Scientist, U.S. Environmental Protection Agency, Athens, Georgia
1985 - 1986      Assistant Research Scientist, Department of Microbiology, Univ. of Georgia
1984 - 1985      Postdoctoral Associate, Institute of Ecology, Univ. of Georgia 

PROFESSIONAL ACTIVITIES (last 5 years):

• Associate Editor of Limnology and Oceanography, 1999-2004
  
• Associate Editor of Marine Chemistry, 1996-1999
  
• Editorial Board of the Journal of Marine Systems, 1990-1996
  
• Awards committee for the American Society of Limnology and Oceanography, A. C. Redfield Award (Lifetime Achievement) 2004-2007
  
• Member of the University-National Oceanographic Laboratory System (UNOLS) Fleet Improvement Committee 2003-2005
  
• Member of the NSF-sponsored Arctic System Science (ARCSS) Program Synthesis committee 2003
  
• Co-Organizer of the symposium, New Approaches in Marine Organic Biogeochemistry, Friday Harbor Laboratory, Washington 2003, and Guest Editor of a special issue of Marine Chemistry (vol. 92 issues 1-4) with the proceedings from the meeting.
  
• Member of the NSF-sponsored Ocean Carbon Transport, Exchanges and Transformations (OCTET) Committee 2000
  
• Organizer of the symposium, Origin and Reactivity of Dissolved Organic Matter, Ocean Sciences 2000 Meeting (AGU/ASLO), San Antonio, TX 2000

AFFILIATIONS: 

• American Society of Limnology and Oceanography

• American Geophysical Union

• Geochemical Society

HONORS AND AWARDS :

• 2005 University of South Carolina Educational Foundation Award for Research in Science, Mathematics and Engineering
  
• Thompson-ISI listing as one of the most highly cited authors during the 20-year period from 1983-2002 (http://isihighlycited.com)

TEACHING:

• Marine Biogeochemistry (graduate)

• Processes in the Marine Environment (undergraduate)

• Aquatic Microbiology (undergraduate)

• Marine Microbial Ecology (graduate)

• Sections of Biological Oceanography and Methods in Marine Science (graduate)

• Senior Seminar: Marine Food Webs (undergraduate)

• Special Topics: Preparation of a NSF proposal (graduate)

• Graduate Seminar: Dissolved organic matter: composition and reactivity

• Graduate Seminar: Microbial utilization of organic matter in the marine environment

GRADUATE STUDENTS AND POSTDOCTORAL ASSOCIATES:

RESEARCH EXPEDITIONS:

• USCGC Healy, Arctic Ocean, Shelf Basin Interactions (SBI) program, 2002, 2004

• RV Cape Hatteras, Sargasso Sea and Bermuda Atlantic Time Series Station, 2001

• RV Kaimikai-O-Kanoloa, Hawaii Ocean Time Series Station, 1999

• RV Longhorn, Gulf of Mexico, 1987, 1988, 1989, 1991, 1993, 1996, 2000

• RV Pelagia, North Sea, 1995

• RV Pelican, Louisiana shelf and slope, 1993

• RV John Vickers, Equatorial Pacific (EQPAC), 1992

• RV Weatherbird, Bermuda Atlantic Time Series Station, 1992

• RV Alpha Helix, Hawaii Ocean Time Series Station, 1991

• NV Malcolm Baldrige, Mississippi River plume (NECOP), 1990, 1991

• RV Amanai, Amazon River (Carbon in the Amazon River Experiment; CAMREX), 1988, 1990

• RV Cape Florida, Bahamas,  1982, 1983, 1985, 1986

• RV Bellows, Bahamas, 1979

RECENT GRANTS: 

• Biogeochemical cycling of particulate and dissolved organic matter in the Arctic Ocean using molecular markers, NSF Polar Programs (Shelf Basin Interactions)

• The biogeochemistry of seawater gels: a new paradigm for the microbial loop and global elemental cycles, NSF Biocomplexity (Coupled Biogeochemical Cycles)
  
• Sources, abundance, and transformations of amino sugars in marine organic matter, NSF Chemical Oceanography
  
• The fate and effects of riverine (and shelf-derived) dissolved organic matter on Mississippi River plume and Gulf shelf processes, NOAA-Nutrient Enhanced Coastal Ocean Program
  
• Organic matter preservation: Microbial contributions and the role of tannins, Petroleum Research Fund
  
• Evolution of hydrogen-based microbial communities in deep hydrothermal aquifers, NSF Carbon Cycle and Biogeosciences

 PEER-REVIEWED PUBLICATIONS:

2005

Benner, R., P. Louchouarn, and R.M.W. Amon. 2005. Terrigenous dissolved organic matter in the Arctic Ocean and its transport to surface and deep waters of the North Atlantic. Global Biogeochem. Cycles. 19, GB2025, doi:10.1029/2004GB002398..

Sannigrahi, P., E. D. Ingall, and R. Benner. 2005. Cycling of dissolved and particulate organic matter at station Aloha: Insights from 13C NMR spectroscopy coupled with elemental, isotopic and molecular analyses. Deep-Sea Res. I. 52: 1429-1444.

Smith, E. M. and R. Benner. 2005. Photochemical transformations of riverine dissolved organic matter: Effects on estuarine bacterial metabolism and nutrient demand. Aquat. Microb. Ecol., in press.

Davis, J. and R. Benner. 2005. Seasonal trends in the abundance and chemical composition of particulate and dissolved organic matter in the Chukchi/Beaufort Seas and Western Canada Basin. Deep-Sea Res., in press.

McCarthy, M. D., R. Benner, C. Lee, and M. L. Fogel. 2005. Amino acid nitrogen isotopic fractionation patterns as indicators of heterotrophic processing in plankton, dissolved and particulate organic matter in the central Pacific Ocean. Geochim. Cosmochim. Acta, accepted.

Kaiser, K., and R. Benner. 2005. Hydrolysis-induced racemization of amino acids. Limnol. Oceanogr. Methods, accepted.

Overpeck J. T. and 23 co-authors. 2005. Arctic system on trajectory to new state. Eos, in review.

Hernes , P.J., and R. Benner. 2005. Sources and fluxes of terrigenous organic matter in the North Atlantic Ocean and North Atlantic Deep Water. Org. Geochem., in review.

Hertkorn N., R. Benner, P. Schmitt-Kopplin, M. Witt, K. Kaiser, M. Frommberger, A. Kettrup, J. I. Hedges. 2005. Characterization of a major refractory component of marine dissolved organic matter. Geochim. Cosmochim. Acta., in review.

Tremblay, L., and R. Benner. 2005. Microbial contributions to N-immobilization and organic matter preservation in decaying plant detritus. Geochim. Cosmochim. Acta., in review.

2004 (119 publications total)

Benner, R., B. Benitez-Nelson, K. Kaiser, and R. M. W. Amon. 2004. Export of young terrigenous dissolved organic carbon from rivers to the Arctic Ocean. Geophys. Res. Lett., 31, L05305, doi:10.1029/2003GL019251.

Benner, R. 2004. What happens to terrestrial organic matter in the ocean? Mar Chem. 92:307-310.

Obernosterer, I., and R. Benner. 2004. Competition between biological and photochemical processes in the mineralization of dissolved organic carbon. Limnol. Oceanogr.. 49: 117-124.

Dagg, M., R. Benner, S. Lohrenz, and D. Lawrence. 2004. Transformation of dissolved and particulate materials on continental shelves influenced by large rivers: plume processes. Cont. Shelf Res. 24: 833-858.

Ziegler, S., E. Kaiser, and R. Benner. 2004. Dynamics of dissolved organic carbon, nitrogen and phosphorus in a seagrass meadow of Laguna Madre, Texas. Bull. Mar. Sci., 75; 391-407.

Burns, K. A., P. Greenwood, R. Benner, D. Brinkman, G. Brunskill, S. Codi, and I. Zagorskis. 2004. Organic biomarkers for tracing carbon cycling in the Gulf of Papua ( Papua New Guinea). Cont. Shelf Res. 24: 2373-2394.

McCarthy, M. D., R. Benner, C. Lee, J. I. Hedges, and M. L. Fogel. 2004. Amino acid carbon isotopic fractionation patterns in oceanic dissolved organic matter: an unaltered photoautotrophic source for dissolved organic nitrogen in the ocean? Mar Chem., 92: 123-134.

Kim, S., L. A. Kaplan, R. Benner, and P. G. Hatcher. 2004. Hydrogen deficient molecules in natural riverine water samples - evidence for the existence of black carbon in DOM. Mar. Chem., 92: 225-234.

2003 (111 publications total)

Benner, R., and K. Kaiser. 2003. Abundance of amino sugars and peptidoglycan in marine particulate and dissolved organic matter. Limnol. Oceanogr. 48: 118-128.

Amon, R. M. W., and R. Benner. 2003. Combined neutral sugars as indicators of the origin and diagenetic state of dissolved organic matter in the Arctic Ocean. Deep-Sea Res. I 50, 151-169.

Wakeham, S. G., T. K. Pease, and R. Benner. 2003. Hydroxy fatty acids in marine dissolved organic matter as indicators of bacterial membrane material . Org. Geochem. 34: 857-868.

Obernosterer, I., N. Kawasaki, and R. Benner. 2003. Phosphate limitation of respiration in the Sargasso Sea and uncoupling of P cycling in size fraction experiments. Aquat. Microb. Ecol. 32: 229-237.

Benner, R. 2003. Molecular indicators of the bioavailability of dissolved organic matter, pp. 121-137, In:: Aquatic Ecosystems: Interactivity of Dissolved Organic Matter, S.E.G.Findlay and R.L.Sinsabaugh (eds.), Academic Press.

Hernes, P. J., and R. Benner. 2003. Photochemical and microbial degradation of dissolved lignin phenols: Implications for the fate of terrigenous dissolved organic matter in marine environments. J. Geophys. Res., 108 (C9), doi: 10.1029/2002JC001421, 2003.

2002 (105 publications total)

Benner, R. 2002. Chemical composition and reactivity , pp. 59-90, In: Biogeochemistry of Marine Dissolved Organic Matter, D. Hansell and C. Carlson (eds), Academic Press.

Hernes, P. J., and R. Benner. 2002. Transport and diagenesis of dissolved and particulate terrigenous organic matter in the North Pacific Ocean. Deep-Sea Res. I 49: 2119-2132.

2001 (103 publications total)

Ogawa, H., Y. Amagai, I. Koike, K. Kaiser, and R. Benner. 2001. Production of refractory dissolved organic matter by bacteria. Science 292: 917-920.

Benner, R., and S. Opsahl. 2001. Molecular indicators of the sources and transformations of dissolved organic matter in the Mississippi River plume. Org. Geochem. 32: 597-611.

Kolowith, L. C., E. D. Ingall, and R. Benner. 2001. Composition and cycling of marine organic phosphorus. Limnol. Oceanogr. 46: 309-320.

Amon, R. M. W., H.-P. Fitznar, and R. Benner. 2001. Linkages among the bioreactivity, chemical composition, and diagenetic state of marine dissolved organic matter. Limnol. Oceanogr. 46: 287-297.

Hernes, P. J., R. Benner, G. L. Cowie, M. A. Goñi, B. A. Bergamaschi, and J. I. Hedges. 2001. Tannin diagenesis in mangrove leaves from a tropical estuary: A novel molecular approach. Geochim. Cosmochim. Acta, 65: 3109-3122.

Routh, J., E. L. Grossman, E. M. Murphy, and R. Benner. 2001. Characterization and origin of dissolved organic carbon in Yegua groundwater in Brazos County, Texas. Ground Water, 39: 760-767.

2000 (97 publications total)

Benner, R., and S. Ziegler. 2000. Do photochemical transformations of dissolved organic matter produce biorefractory as well as bioreactive substrates? pp. 181-192, In : Microbial Biosystems: New Frontiers, Proceedings of the 8th International Symposium on Microbial Ecology. C. R. Bell, M. Brylinsky, and P. Johnson-Green (eds), Atlantic Canada Society for Microbial Ecology, Halifax, Canada.

Ziegler, S., and R. Benner. 2000. Effects of solar radiation on dissolved organic matter cycling in a subtropical seagrass meadow. Limnol. Oceanogr. 45: 257-266.

Kaiser, K., and R. Benner. 2000. Determination of amino sugars in environmental samples with high salt content by high-performance anion-exchange chromatography and pulsed amperometric detection. Anal. Chem. 72: 2566-2572.

Pakulski, J. D., R. Benner, T. Whitledge, R. Amon, B. Eadie, L. Cifuentes, J. Ammerman, and D. Stockwell. 2000. Microbial metabolism and nutrient cycling in the Mississippi and Atchafalaya River plumes. Estuar. Coast. Shelf Sci. 50: 173-184

Louchouarn, P., S. Opsahl, and R. Benner. 2000. Isolation and quantification of dissolved lignin from natural waters using solid-phase extraction (SPE) and GC/MS. Anal. Chem. 72: 2780-2787.

Hedges, J. I., E. Mayorga, E. Tsamakis, M. E. McClain, P. Quay, J. E. Richey, R. Benner, S. Opsahl, B. Black, T. Pimentel, J. Q. Aguirre, and L. Maurice. 2000. Organic matter in Bolivian tributaries of the Amazon River: A comparison to the lower mainstream. Limnol. Oceanogr. 45: 1449-1466.

1999 (91 publications total)

Ziegler, S., and R. Benner. 1999. Dissolved organic carbon cycling in a subtropical seagrass-dominated lagoon. Mar. Ecol. Prog. Ser., 180: 149-160.

Opsahl, S., R. Benner, and R. M. W. Amon. 1999. Major flux of terrigenous dissolved organic matter through the Arctic Ocean. Limnol. Oceanogr. 44: 2017-2023.

Opsahl, S., and R. Benner. 1999. Characterization of carbohydrates during early diagenesis of five vascular plant tissues. Org. Geochem. 30: 83-94.

Guay, C. K., G. P. Klinkhammer, K. K. Falkner, R. Benner, P. G. Coble, T. E. Whitledge, B. Black, F. J. Bussell, and T. A. Wagner. 1999. High-resolution measurements of dissolved organic carbon in the Arctic Ocean by in-situ fiber-optic spectrometry. Geophys. Res. Lett. 26: 1007-1010.

Skoog, A., B. Biddanda, and R. Benner. 1999. Bacterial utilization of dissolved glucose in the upper water column of the Gulf of Mexico. Limnol. Oceanogr. 44: 1625-1633.

Clark, L. L., E. D. Ingall, and R. Benner. 1999. Marine organic phosphorus cycling: novel insights from nuclear magnetic resonance. Amer. J. Sci. 299: 724-732.

Ziegler, S., and R. Benner. 1999. Nutrient cycling in the water column of a subtropical seagrass meadow. Mar. Ecol. Prog. Ser. 188: 51-62.

1998 (84 publications total)

Clark, L. L., E. D. Ingall, and R. Benner. 1998. Marine phosphorus is selectively remineralized. Nature 393: 426.

McCarthy, M., J. I. Hedges, and R. Benner. 1998. Major bacterial contribution to marine dissolved organic nitrogen. Science 281: 231-234.

Benner, R., and B. Biddanda. 1998. Photochemical transformations of surface and deep marine dissolved organic matter: Effects on bacterial growth. Limnol. Oceanogr. 43: 1373-1378.

Amon, R. M. W., and R. Benner. 1998. Seasonal patterns of bacterial abundance and production in the Mississippi River plume and their importance for the fate of enhanced primary production. Microb. Ecol. 35: 289-300.

Benner, R. 1998. Cycling of dissolved organic matter in the ocean. pp. 317-331, In Aquatic Humic Substances: Ecology and Biogeochemistry, D. Hessen and L. Tranvik (eds), Springer-Verlag.

Opsahl, S., and R. Benner. 1998. Photochemical reactivity of dissolved lignin in river and ocean waters. Limnol. Oceanogr. 43: 1297-1304.

Biersmith, A. and R. Benner. 1998. Carbohydrates in phytoplankton and freshly-produced dissolved organic matter. Mar. Chem. 63: 131-144.

Ziegler, S., and R. Benner. 1998. Ecosystem metabolism in a subtropical seagrass-dominated lagoon. Mar. Ecol. Prog. Ser. 173: 1-12.

1997 (76 publications total)

Opsahl, S., and R. Benner. 1997. Distribution and cycling of terrigenous dissolved organic matter in the ocean. Nature 386: 480-482.

McCarthy, M., T. Pratum, J. I. Hedges, and R. Benner. 1997. Chemical composition of dissolved organic nitrogen in the ocean. Nature 390: 150-154.

Benner, R., B. Biddanda, B. Black, and M. McCarthy. 1997. Abundance, distribution, and stable carbon and nitrogen isotopic compositions of marine organic matter isolated by tangential-flow ultrafiltration. Mar. Chem. 57: 243-263.

Biddanda, B., and R. Benner. 1997. Major contribution from mesopelagic plankton to heterotrophic metabolism in the upper ocean. Deep-Sea Res. I 44: 2069-2085

Skoog, A., and R. Benner. 1997. Aldoses in various size fractions of marine organic matter: implications for carbon cycling. Limnol. Oceanogr. 42: 1803-1813.

Biddanda, B., and R. Benner. 1997. Carbon, nitrogen, and carbohydrate fluxes during the production of particulate and dissolved organic matter by marine phytoplankton. Limnol. Oceanogr. 42: 506-518.

Strom, S., R. Benner, S. Ziegler, and M. Dagg. 1997. Planktonic grazers are a potentially important source of marine dissolved organic carbon. Limnol. Oceanogr. 42: 1364-1374.

Hedges, J. I., R. Keil, and R. Benner. 1997. What happens to terrestrial organic matter in the ocean? Org. Geochem. 27: 195-212.

1996 (68 publications total)

Wheeler, P. A., M. Gosselin, E. Sherr, D. Thibault, D. Kirchman, R. Benner, and T. E. Whitledge. 1996. Active cycling of organic carbon in the central Arctic Ocean. Nature 380: 697-699.

Amon, R. M. W., and R. Benner. 1996. Bacterial utilization of different size classes of dissolved organic matter. Limnol. Oceanogr. 41: 41-51.

Gardner, W.S., R. Benner, R. Amon, J. B. Cotner, J. F. Cavaletto, and J. R. Johnson. 1996. Effects of high molecular weight dissolved organic matter on nitrogen dynamics in the Mississippi River plume. Mar. Ecol. Prog. Ser. 133: 287-297.

Amon, R. M. W., and R. Benner. 1996. Photochemical and microbial consumption of dissolved organic carbon and dissolved oxygen in the Amazon River system. Geochim. Cosmochim. Acta 60: 1783-1792.

McCarthy, M., J. I. Hedges, and R. Benner. 1996. Major biochemical composition of dissolved high molecular weight organic matter in seawater. Mar. Chem. 55: 281-298.

1995 (63 publications total)

Benner, R., S. Opsahl, G. Chin-Leo, J. E. Richey, and B. Forsberg. 1995. Bacterial carbon metabolism in the Amazon River system. Limnol. Oceanogr. 40: 1262-1270.

Opsahl, S., and R. Benner. 1995. Early diagenesis of vascular plant tissues: lignin and cutin decomposition and biogeochemical implications. Geochem. Cosmochim. Acta 59: 4889-4904.

Sharp, J. H., R. Benner, L. Bennett, C. A. Carlson, S. E. Fitzwater, E. T. Peltzer, and L. M. Tupas. 1995. Analyses of dissolved organic carbon in seawater: the JGOFS EQPAC methods comparison. Mar. Chem. 48: 91-108.

Pakulski, J. D., R. Benner, R. Amon, B. Eadie, and T. Whitledge. 1995. Community metabolism and nutrient cycling in the Mississippi River plume: Evidence for intense nitrification at intermediate salinities. Mar. Ecol. Prog. Ser. 117: 207-218.

Quay, P. D., D. O. Wilbur, J. E. Richey, A. H. Devol, R. Benner, and B. R. Forsberg. 1995. The 18O/16O of dissolved oxygen in rivers and lakes in the Amazon Basin: a tracer of respiration and photosynthesis. Limnol. Oceanogr. 40: 718-729.

Alperin, M. J., J. Balesdant, R. Benner, N. Blough, R. Christman, E. R. Druffel, F. Frimmel, G. Guggenberger, D. Repeta, H. Richnow, and R. Swift. 1995. How can we best characterize and quantify pools of nonliving organic matter? In: The Role of Nonliving Organic Matter in the Earth’s Carbon Cycle, R. G. Zepp and C. Sonntag (eds.), Wiley & Sons.

1994 (57 publications total)

Amon, R. M. W., and R. Benner. 1994. Rapid cycling of high-molecular-weight dissolved organic matter in the ocean. Nature 369: 549-552.

Pakulski, J. D., and R. Benner. 1994. Abundance and distribution of dissolved carbohydrates in the ocean. Limnol. Oceanogr. 39: 930-940.

Zimmerman, A. R., and R. Benner. 1994. Denitrification, nutrient regeneration and carbon mineralization in sediments of Galveston Bay, Texas. Mar. Ecol. Prog. Ser. 114: 275-288.

Hedges, J. I., G. L. Cowie, J. E. Richey, P. D. Quay, R. Benner, and M. Strom. 1994. Origins and processing of organic matter in the Amazon River as indicated by carbohydrates and amino acids. Limnol. Oceanogr. 39: 743-761.

Biddanda, B., S. Opsahl, and R. Benner. 1994. Plankton respiration and carbon flux through bacterioplankton on the Louisiana shelf. Limnol. Oceanogr. 39: 1259-1275.

Gardner, W. S., R. Benner, G. Chin-Leo, J. B. Cotner, B. J. Eadie, J. F. Cavaletto, and M. B. Lansing. 1994. Mineralization of organic material and bacterial dynamics in dark bottle experiments with Mississippi River plume water. Estuaries 7: 816-828.

1993 (51 publications total)

Benner, R. and M. Strom. 1993. A critical evaluation of the analytical blank associated with DOC measurements by high-temperature catalytic oxidation. Mar. Chem. 41: 153-160.

Benner, R., and J.I. Hedges. 1993. A test of the accuracy of freshwater DOC measurements by high-temperature catalytic oxidation and UV-promoted persulfate oxidation. Mar. Chem. 41: 161-166.

Opsahl, S., and R. Benner. 1993. Decomposition dynamics of senescent blades of the seagrass Halodule wrightii Aschers in a subtropical lagoon. Mar. Ecol. Prog. Ser. 94: 191-205.

Koepfler, E.T., R. Benner, and P.A. Montagna. 1993. Variability of dissolved organic carbon in sediments of a seagrass bed and an unvegetated area within an estuary in southern Texas. Estuaries 16: 391-404.

Benner, R. 1993. Radiotracer approaches for the study of plant polymer biodegradation. pp. 589-596, In: Current Methods in Aquatic Microbial Ecology, P.F. Kemp, B.F. Sherr, E.B. Sherr, and J.J. Cole (eds.), Lewis Publishers.

Van Heemst, J. D. H., M. Baas, J. W. de Leuuw, and R. Benner. 1993. Molecular characterization of marine dissolved organic matter. pp. 694-698, In Organic Geochemistry, K. Oygard (ed.), Falch Hurtigtrykk.

Hedges, J.I., B.A. Bergamaschi, and R. Benner. 1993. Comparative analyses of DOC and DON in natural waters. Mar. Chem. 41: 121-134.

Hedges, J. I., R. Benner, B. von Bodungen, J. Farrington, C. Lee, F. Mantoura, Y. Suzuki, and P. M. Williams. 1993. Measurement of dissolved organic carbon and nitrogen in natural waters: workshop report. Mar. Chem. 41: 5-10.

Sharp, J. H., R. Benner, L. Bennett, C. A. Carlson, R. Dow, and S. E. Fitzwater. 1993. A re-evaluation of high temperature combustion and chemical oxidation measurements of dissolved organic carbon in seawater. Limnol. Oceanogr. 38: 1774-1782.

McCarthy, M. D., J. I. Hedges, and R. Benner. 1993. The chemical composition of dissolved organic matter in seawater. Chem. Geol. 107: 503-507.

1992 (41 publications total)

Benner, R., J.D. Pakulski, M. McCarthy, J.I. Hedges and P.G. Hatcher. 1992. Bulk chemical characterization of dissolved organic matter in the ocean. Science 255: 1561-1564.

Chin-Leo, G., and R. Benner. 1992. Enhanced bacterioplankton production and respiration at intermediate salinities in the Mississippi River plume. Mar. Ecol. Prog. Ser. 87: 87-103.

Pakulski, J.D., and R. Benner. 1992. An improved method for the hydrolysis and MBTH analysis of dissolved and particulate carbohydrates in seawater. Mar. Chem. 40: 143-160.

Yoon, W. B., and R. Benner. 1992. Denitrification and oxygen consumption in sediments of two south Texas estuaries. Mar. Ecol. Prog. Ser. 90: 157-167.

1991 (37 publications total)

Benner, R., M. L. Fogel, and E. K. Sprague. 1991. Diagenesis of belowground biomass of Spartina alterniflora in salt-marsh sediments. Limnol. Oceanogr. 36: 1358-1374.

Chin-Leo, G., and R. Benner. 1991. Dynamics of bacterioplankton abundance and production in a seagrass-dominated hypersaline lagoon. Mar. Ecol. Prog. Ser. 73: 219-230.

Benner, R. 1991. Ultrafiltration for the concentration of bacteria, viruses, and dissolved organic matter. pp. 181-186, In: The Analysis and Characterization of Marine Particles, D. C. Hurd and D. W. Spencer (eds.), Geophysical Monograph 63, American Geophysical Union.

1990 (34 publications total)

Benner, R., K. Weliky, and J. I. Hedges.1990. Early diagenesis of mangrove leaves in a tropical estuary: Molecular-level analyses of neutral sugars and lignin-derived phenols. Geochim. Cosmochim. Acta 54: 1991-2001.

Schoenberg , S.A. , R. Benner, A. Armstrong, P. Sobecky, and R.E. Hodson.1990. Effects of acid stress on aerobic decomposition of algal and aquatic macrophyte detritus: direct comparison using a radiocarbon assay. Appl. Environ. Microbiol. 56: 237-244.

Benner, R., P. G. Hatcher, and J. I. Hedges. 1990. Early diagenesis of mangrove leaves in a tropical estuary: Bulk chemical characterization using solid-state 13C NMR and elemental analyses. Geochim. Cosmochim. Acta 54: 2003-2013.

Lee, K.H., M. A. Moran, R. Benner, and R. E. Hodson. 1990. Influence of soluble components of red mangrove (Rhizophora mangle) leaves on microbial decomposition of structural (lignocellulosic) leaf components in seawater. Bull. Mar. Sci. 46: 374-386.

Hodson, R. E., M. A. Moran, and R. Benner. 1990. Modeling the persistence of lignocellulosic detritus in wetland ecosystems. In: Biodeterioration Research 1, G. C. Llewyllen and C. E. O'Rear (eds.), Plenum Press.

1989 (29 publications total)

Benner, R., D. L. Lewis, and R. E. Hodson.1989. Biogeochemical cycling of organic matter in acidic environments: Are microbial degradative processes adapted to low pH? pp. 33-46, In: Microbial Interactions in Acid Stressed Aquatic Ecosystems, S. S. Rao (ed.), CRC Press, Boca Raton.

Moran, M. A., R. Benner, and R. E. Hodson.1989. Kinetics of microbial degradation of vascular plant material in two wetland ecosystems. Oecologia 79: 158-167.

Hodson, R. E., M. A. Moran, D. L. Lewis, R. Murray, J. Teska, and R. Benner. 1989. Microbial biogeochemical processes in a naturally acidic wetland, the Okefenokee Swamp. pp. 47-58, In: Microbial Interactions in Acid Stressed Aquatic Ecosystems, S. S. Rao (ed.), CRC Press, Boca Raton.

1988 (26 publications total)

Benner, R., E. K'nees, J. Lay, and R. E. Hodson. 1988. Carbon conversion efficiency for bacterial growth on lignocellulose: Implications for detritus-based food webs. Limnol. Oceanog. 33: 1514-1526.

Benner, R., R. E. Hodson, and D. Kirchman.1988. Bacterial abundance and production on mangrove leaves during initial stages of leaching and biodegradation. Archiv. Hydrobiol. Beih. Ergeb. Limnol. 31: 19-26.

Schoenberg, S. A., R. Benner, P. Sobecky, and R. E. Hodson. 1988. Adaptation of phytoplankton-degrading microbial communities to thermal reactor effluent in a cooling reservoir. Appl. Environ. Microbiol. 54: 1481-1487.

Benner, R., and J. Vaun McArthur. 1988. Effects of temperature on microbial utilization of lignocellulosic detritus in a thermally-impacted stream. Microb. Ecol. 16: 323-330.

Moran, M. A., T. Legovic, R. Benner, and R. E. Hodson.1988. Carbon flow from lignocellulose: A simulation analysis of a detritus-based ecosystem. Ecology 69: 1525-1536.

Aiken, D. E., and R. Benner.1988. Degradation of polysaccharides and lignin by rumen bacteria and fungi. Appl. Environ. Microbiol. 54:1117-1125.

1987 (20 publications total)

Benner, R., M. F. Fogel, E. K. Sprague, and R. E. Hodson. 1987. Depletion of 13C in lignin and its implications for stable carbon isotope studies. Nature 329: 708-710.

Moran, M. A., A. E. Maccubbin, R. Benner, and R. E. Hodson.1987. Spatial and temporal dynamics of the microbial community in the Okefenokee Swamp, Georgia. Microb. Ecol. 14: 203-217.

1986 (18 publications total)

Benner, R., M. A. Moran, and R. E. Hodson. 1986. Biogeochemical cycling of lignocellulosic carbon in marine and freshwater ecosystems: relative contributions of procaryotes and eucaryotes. Limnol. Oceanogr. 31: 99-100.

Benner, R., A. E. Maccubbin, and R. E. Hodson. 1986. Temporal relationship between the depostion and microbial degradation of lignocellulosic detritus in a Georgia salt marsh and the Okefenokee Swamp. Microb. Ecol.12: 291-298.

Benner, R., E. R. Peele, and R. E. Hodson. 1986. Microbial utilization of dissolved organic matter from leaves of the red mangrove, Rhizophora mangle , in the Fresh Creek estuary, Bahamas. Est. Coast. Mar. Sci. 23: 607-619.

Benner, R., M. A, Moran, and R. E. Hodson. 1986. Biodegradation of lignocellulose by natural microbial populations and pure cultures of bacteria from aquatic environments. pp. 517-523, In: Biodeterioration 6. S. Barry and D.R. Houghton (eds.), CAB International, U.K.

Hodson, R. E., and R. Benner. 1986. Anaerobic biodegradation of natural lignocellulose and synthetic lignin. pp. 510-516, In : Biodeterioration 6. S. Barry and D.R. Houghton (eds.), CAB International, U.K.

Kerr, T. J., R. Benner, J. H. Woodward, W. E. Rigsby, and W. R. Windham. 1986. Chemical compostion and in vitro digestibility of biologically degraded peanut hulls. J. Sci. Food Agric. 37: 637-651.

Kerr, T. J., W. R. Windham, J. H. Woodward, and R. Benner. 1986. Chemical compostion and in vitro digestibility of thermochemically treated peanut hulls. J. Sci. Food Agric. 37: 632-636.

1985 (11 publications total)

Benner, R., M. A. Moran, and R. E. Hodson. 1985. Effects of pH and plant source on lignocellulose biodegradation rates in two wetland ecosystems, the Okefenokee Swamp and a Georgia salt marsh. Limnol. Oceanogr. 30: 489-499.

Benner, R., and R. E. Hodson. 1985. Microbial degradation of the leachable and lignocellulosic components of leaves and wood from Rhizophora mangle in a tropical mangrove swamp. Mar. Ecol. Prog. Ser. 23: 221 -230.

Benner, R., and R. E. Hodosn. 1985. Thermophilic anaerobic biodegradation of [14C]lignin, [14C]cellulose, and [14C]lignocellulose preparations. Appl. Environ. Microbiol. 50: 971-976.

Hodson, R. E., R. Benner, R. E. Murray and A. E. Maccubbin. 1985. Microbial transformations of detrital carbon in wetland ecosystems: effects of environmental stress. pp. 277-297, In:: Ecological Considerations in Wetlands Treatment of Municipal Wastewaters. P. J. Godfrey, E. R. Kaynor, S. Pelczarski, and J. Benforado (eds.), Van Nostrand, New York.

1984 (7 publications total)

Benner, R., A. E. Maccubbin, and R. E. Hodson. 1984. Preparation, characterization, and microbial degradation of specifically radioloabelled [14C]lignocelluloses from marine and freshwater macrophytes. Appl. Environ. Microbiol. 47: 381 - 389.

Benner, R., A. E. Maccubbin, and R. E. Hodson. 1984. Anaerobic biodegradation of the lignin and polysaccaride components of lignocellulose and synthetic lignin by sediment microflora. Appl. Environ. Microbiol. 47: 998 - 1004.

Kerr, T. J., W. R. Windham, and R. Benner. 1984. Chemical and bacterial pretreatment of lignocellulosic material to increase ruminant digestibility. Biotechnology (Nature Publishing Co.) 2: 805 - 807.

Benner R., S. Y. Newell, A. E. Maccubbin, and R. E. Hodson. 1984. Relative contributions of bacteria and fungi to the degradation of lignocellulosic detritus in salt marsh sediments. Appl. Environ. Microbiol. 48: 36 - 40.

1983 (3 publications total)

Kerr, T. J., R. Kerr, and R. Benner. 1983. Isolation of a bacterium capable of degrading peanut hull lignin. Appl. Environ. Microbiol. 46: 120-1206.

Hodson, R. E., R. Benner and A. E. Maccubbin. 1983. Transformations and fate of lingocellulosic detritus in marine environments. pp.185-195. In : Biodeterioration 5. T. A. Oxley and S. Barry (eds.), John Wiley and Sons, New York.

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