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Matthew P. Hoch
Associate Professor of Biology
Office: 205-12 Hayes Biology Building
Phone: 409-880-8264
Email :

1985 BA in Environmental Population and Organismal Biology, University of Colorado

1991 PhD in Marine Biology and Biochemistry, University of Delaware

1992-1996 postdoctoral research, Department of Oceanography, Texas A&M University

Courses taught:  Environmental Microbiology (BIOL 4401/5401), Tropical Marine Biology and Tropical Watershed Ecology (BIOL 4401/5401), Microbiology (BIOL 2420), General Biology (BIOL 1406/1408), Environmental Toxicology (BIOL 4435/5435), Biological Oceanography (BIOL 4401/5401)

Biological Oceanography students in action collecting plankton, samples for water quality analysis, and light attenuation in the shallow and turbid Sabine Lake Estuary, Texas.

Biological Oceanography students in action collecting plankton, samples for water quality analysis, and light attenuation in the shallow and turbid Sabine Lake Estuary, Texas.

Research Interests:  The ecology of aquatic microbial communities; specifically sulfate reducing prokaryotes in salt marsh sediments and bacterioplankton in Lake Sabine Estuary.  Watershed restoration ecology and assessment of water quality, periphyton, macroinvertebrates, and fish in stream ecosystems.  Nitrogen cycling and the role of nitrogen limitation on bacterioplankton and periphyton communities.


Publications and Selected Presentation Abstracts:  (* = undergraduate student = graduate student)

  • Hoch, M.P., Nelson, M.M., A. Shrift, L.S. Rice*, S.M. Tipparaju.  Seasonal and spatial variation in sulfate reducing prokaryote communities in salt marsh sediments along the Southeast Texas coast.  Ocean Sciences Meeting, American Society of Limnology and Oceanography, February 2013, New Orleans, LA.


  • Nelson, M.M., S.J. Jennings*, L.S. Rice*, S.M. Tipparaju, and M.P. Hoch.  Effects of sediment-subsidy marsh restoration on sulfate reducing prokaryote (SRP) communities and geochemistry in sediments of salt marshes along the Southeast Texas coast.  ASM Texas Branch Meeting, March 2012.


  • Wickizer, S.K*, S.B. Saiyed, and M.P. Hoch.  Bacterioplankton total abundance, culturability, and community composition in the lower Neches River and Southeast Texas coastal waters during severe drought.  ASM Texas Branch Meeting, March 2012.


  • Rezsutek, Michael (TPWD, J.D Murphrey Refuge, TX), Anna Armitage (TAMU, Galveston, TX), and Matthew Hoch (Lamar University, Beaumont, TX).  Beneficial use of dredge material in the Texas Chenier Plain: improving future projects using lessons learned.  USACE 2010 Dredging Conference.  Austin, TX, November 2010.


  • Hoch, Matthew P., Hunter E. Keeney (Lamar University, Beaumont, TX), and Ed Boles (Galen University, San Ignacio, Belize).  Assessment of stream continuum concepts for a neotropical watershed of the Maya Mountains, Belize, Central America.  113th Annual Meeting of the Texas Academy of Sciences, Stephensville, TX.  March 2010.
  • Rainey, Christina C.*, Hunter E. Keeney, and Matthew P. Hoch (Lamar University, Beaumont, TX).  Shift in bacterial communities of sediment from a Southeast Texas brackish marsh due to seawater inundation: a simulation of Hurricane Ike storm surge impacts.  113th Annual Meeting of the Texas Academy of Sciences, Stephensville, TX.  March 2010.


·         Hoch, M.P., C.Y.S. Siu, S.E. Clark, and K.H. Baker.  2009.  Codorus Creek Restoration - A Case Study for the Chesapeake Bay.  Proceedings of the World Environmental and Water Resources Congress 2009: Great Rivers, American Society of Civil Engineers. pp 1-7.


  • Nicoletto, P.F., J. Armacost, M. Haiduk, and M.P. Hoch.  2011.  The recovery of the coastal ecosystem of Southern Jefferson County, Texas, from the storm surge of Hurricane Ike.  Final technical report for Coastal Management Program #10-047-000-3743, Texas General Land Office, Austin, Texas.  127 p.

·         Hoch, M.P..  2008. Enzymatic assessment of nitrogen and phosphorus bioavailability to stream periphyton communities at different velocity regimes. J. Freshwater Ecol. 23(2): 245-264.

·         Hoch, M. P., K. S. Dillon, R. B. Coffin, and L. A. Cifuentes.  2008. Sensitivity of bacterioplankton nitrogen metabolism to eutrophication in sub-tropical coastal waters of Key West, Florida.  Mar. Poll. Bull. 56(5): 913-926. 

·         Hoch, M. P., K. A. Knapp, J. A. Golden*, J. Romig.  Contrasts in suspended sediment and nutrient loads between two Piedmont watersheds with aggressive erosion of legacy sediments.  American Society of Limnology and Oceanography, Summer Meeting, St. John’s, Newfoundland, June 2008.

·         Hoch, M. P., K. A. Knapp, J. A. Golden*, P. J. Siwik*, and J. S. Shirey*.   Storm-event loading of suspended sediment and nutrients in a Pennsylvania Piedmont watershed with aggressive erosion of “legacy” sediments: a pre-restoration assessment.  Mid-Atlantic Stream Restoration Conference, Canaan Valley Institute, Nov 2007.

·         Shostell, J. M. and M. P. Hoch Assessments of stream ecosystem health prior to the implementation of a natural stream channel design restoration project: fish communities and physicochemical variables.  Ecological Society of America and Society for Ecological Restoration Joint Summer Meeting, Aug 2007.

·         Hoch, M.P., P. Morgan, and T. Thiagarajan.  Water quality microbiology in the Belize River Watershed.  Belize Health and Social Issues Conference, Belize City, Belize, Central America, July 2007.

·         Hoch, M.P. 2007. Pre-restoration assessment of biological communities and water quality in reference and impaired reaches of Codorus Creek watershed.  Final Project Report, Growing Greener #SC30462, Pennsylvania Department of Environmental Protection, Harrisburg, Pennsylvania, USA. 77 p.

·         Hoch, M.P. and D. A. Bronk.  2007.  Bacterioplankton nutrient metabolism in the Eastern Tropical North Pacific. J Exp. Mar. Biol. Ecol.  439: 390-404. 

·         Hoch, M.P., R.A. Snyder, W.H. Jeffrey, K.S. Dillon, R.B. Coffin. 2006. Expression of glutamine synthetase and glutamate dehydrogenase by marine bacterioplankton: assay optimizations and efficacy for assessing nitrogen to carbon metabolic balance. Limnol. Oceanogr. Methods 4: 318-328

·         Hoch, M.P., S. J. Patel*, and J. J. Kong*. 2006. Diversity of glutamine synthetase isozymes in the Sargasso Sea environmental genome. John T. and Paige S. Smith Undergrad. Sci. Res. Symp. Proc. 1:1-21.

·         Hoch, M.P.  16SrDNA and metagenomic inquiry-based activities enrich learning of microbial diversity. American Society for Microbiology, Undergraduate Education Conference, Orlando, FL, June 2006.

·         Hoch, M. P. and J. S. Shirey*.  The Pennsylvania State University – York, York, PA 17403.  Sedimentation associated with a wet-constructed stream channel restoration project in the Pennsylvania Piedmont: placing perceptions in perspective.  Pennsylvania Academy of Sciences, Hershey, PA, March 2006.

·         Hoch, M. P., M. Brickner*, M. Mango*, A. Prokuda*, S. Shoop*, and P. J. Siwik*.  The Pennsylvania State University – York, York, PA 17403.  Comprehensive Bioassessment of Wastewater Effluent Impacts on South Branch Codorus Creek in Southcentral Pennsylvania.  Pennsylvania Academy of Sciences, Hershey, PA, March 2006.

·         Hoch, M.P. and P.J. Siwik.  Coupling of carbon, nitrogen and phosphorus metabolism in freshwater bacterioplankton communities.  American Society of Limnology and Oceanography, Summer Meeting, Santiago de Compestela, Spain, June 2005.

·         Hoch, M.P., P.A. Pepper, P.J. Siwik, and R.S. McNeil.  A ”Watershed Academy” for middle schools: highlighting the stream restoration challenge. American Society of Limnology and Oceanography,  Aquatic Sciences Meeting, Salt Lake City, UT, Feb. 2005.

·         Hoch, M.P., E. Krogh, J.R. Farrell, and D.A. Freisen.  Effects of light and nutrients on the microbial community and bioremediation of wood-waste landfill leachate.  American Society for Microbiology, General Meeting, Washington, D.C., May 2003.

·         Hoch, M.P. Tropical Biology Field Schools: Issues for Canadian Institutions.  Canadian Council of University Biology Chairs, Halifax, New Brunswick. November 2000.

·         Eaton, W.D., V. Palacio, E. vanZinderenBakker, and M.P. Hoch. 1999. Nutrient and microbial analysis of watersheds above and below the Mollejon Dam, Belize. Mesoamerican Society for Conservation and Biology, Mesoamericana. 4(4): 20-24.

·         Jörgensen, O.G.J., N. Kroer, R.B. Coffin, and M.P. Hoch. 1999. Relations between bacterial nitrogen metabolism and growth efficiency in an estuarine and an open-ocean ecosystem. Aquat. Microb. Ecol. 18:247-261.

·         Hoch, M.P., D. M. Goodman, C. Chyplyk*, M. Kurucz*,. 1998. Suillus caerulescence (A.H. Smith and Thiers) + Pseudotuga menziesii (Mirb.) Franco, CDE19. In: Concise Descriptions of North American Ectomycorrhizae. Edited by: D.M. Goodman, D.M. Durall, J.A. Trofymow, and S.M. Berch. Mycologue Publications, and Canada-B.C. Forest Resource Development Agreement, Canadian Forest Service, Victoria, B.C., pp CDE19.1-CDE19.4.

·         Snyder, R.A. and M.P. Hoch. 1996. Consequences of protist-stimulated bacterial production for estimating protist growth efficiencies. Hydrobiologia 341: 113-123.

·         Jeffrey, W.H., R. Von Haven, M.P. Hoch and R.B. Coffin. 1996. Bacterioplankton RNA, DNA, protein content and relationships to rates of thymidine and leucine incorporation. Aqua. Microbial Ecol. 10: 87-95.

·         Hoch, M.P., R.A. Snyder, L.A. Cifuentes, and R.B. Coffin. 1996. Stable isotope dynamics of nitrogen recycled during interactions among marine bacteria and protists. Mar. Ecol. Prog. Ser. 132: 229-239.

·         Hoch, M.P., L.A. Cifuentes, and R.B. Coffin. 1995. Assessing geochemical and biological fate for point source loads of sewage-derived nitrogen and organic carbon in coastal waters of Southern Florida - Final Report. U.S. EPA- Region IV, Atlanta. 156 pgs.

·         Hoch, M.P. and D.L. Kirchman. 1995. Ammonium uptake by bacteria in the Delaware Estuary and coastal water. Limnol. Oceanogr. 40: 886-897.

·         Hoch, M.P., M.L. Fogel, and D.L. Kirchman. 1994. Isotope fractionation during ammonium uptake by marine microbial assemblages. Geomicrobiol. J. 12: 113-117.

·         Hoch, M.P.  Nitrogen availability in a large river plume ecosystem.  Oceanography Department, University of British Columbia, October 1996 (invited).

·         Chanton, J., B. Gaza, G. Lewes, R. Coffin, M. Hoch, C. Kelley, and K. Dillon.  Multiple stable isotope tracing of the food web in a river dominated estuary, Apalachicola Bay, Florida.  Second Wetlands Ecology and Management Symposium, Key Largo, FL, Nov. 1994.

·         Morin, J., L. Cifuentes, M. Hoch, R. Coffin, and J. Kovacs.  Inter‑estuarine variability in trophic condition of Northern Gulf of Mexico during summer.  Gulf Coast Geochemistry Group Conference (GC3), Dauphin Island, AL, Oct.1994.

·         Hoch, M.P. and D.L. Kirchman. 1993. Seasonal and inter-annual variability in bacterial production and biomass in a temperate estuary. Mar. Ecol. Prog. Ser. 98: 283-295.

·         Hoch, M.P., L.A. Cifuentes, and R.B. Coffin.  Bacterial nitrogen availability in the northern Gulf of Mexico.  ASLO93 Aquatic Sciences Meeting, Edmonton, Canada, June 1993.

·         Hoch, M.P., M.L. Fogel, and D.L. Kirchman. 1992. Isotope fractionation associated with ammonium uptake by a marine bacterium. Limnol. and Oceanogr. 37(7): 1447-1459.

·         Hoch, M.P., D.L. Kirchman, and M.L. Fogel. 1989. Nitrogen isotope fractionation in the uptake of ammonium by a marine bacterium. In: Annual Report of the Director of the Geophysical Laboratory, Carnegie Instn. Washington, 1988-1989. Geophysical Laboratory, Washington, D.C., pp. 117-123, 1989.

·         Kirchman, D.L., and M.P. Hoch. 1988. Bacterial production in the Delaware Bay estuary estimated from thymidine and leucine incorporation rates. Mar. Ecol. Prog. Ser. 45: 169-178.

·         Bushnell, J.H., B.J. Haney, N.M. Butler, B.M. Wahle, and M.P. Hoch.  Community structure and seasonal variability in an alpine flowage system, Green Lakes Valley, Front Range Colorado.  American Zoological Society, Denver, CO, Dec. 1984.



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