Skip Navigation

← Back to Faculty Listing

Dr. Richard W Koch standing in the woods

Dr. Richard W Koch

Professor

Biology

Office: S 214

Phone: (218) 755-2795

Send a message →

Main Listing
More Information
Publications

Publications

Peer-reviewed:

Bukaveckas, P.A., E. Jourdain, R.W. Koch and J.H. Thorp. 2000. Longitudinal gradients in nutrients and phytoplankton in the Ohio River. Verh. Internat. Verein. Limnol. 27: 3107-3110.

Koch, R.W., D.L. Guelda and P.A. Bukaveckas. 2003. Phytoplankton growth in the Ohio, Cumberland and Tennessee Rivers, USA: inter-site differences in light and nutrient limitation. Aquatic Ecology. (in press).

Guelda, D.L., R.W. Koch and P.A. Bukaveckas. 2003. Experimental evidence for food limitation effects on population growth rates of riverine zooplankton. Limnology and Oceanography. (in review).

Koch, R.W. and P.A. Bukaveckas. 2003. The importance of phytoplankton to heterotrophic bacteria in three large riverine systems: the Ohio River, Kentucky Lake and Lake Barkley. Aquatic Ecology. (in review).

Koch, R.W. and P.A. Bukaveckas. 2003. Influence of temperature and discharge on substrate limitation in riverine bacterioplankton. Aquatic Microbial Ecology. (in review).

Non peer-reviewed:

R.W. Koch, Stocker, L.E., M.C. Miller, R.L. Evans and J. Engman. 1994. Electrofishing survey of the Great Miami River: Annual report 1994. Draft report, Fernald Environmental Restoration Management Corporation, Cincinnati, OH.

Budde, M.L. SND, W.S. Bryant, R.W. Koch, J. von Lehman III, S.Placke, T. Rice, M. Studer and S. Twehues. 1988. An investigation of the fish and benthic macroinvertebrate populations with plume temperature determinations at the W. C. Beckjord power plant, New Richmond, Ohio: Summer 1988. Bulletin No. 20. Thomas More College Biology Field Station, California, KY.

Ferner, J.W., M.L. Budde SND, R.W. Koch, J. Graff, M. Crowley, L. Leonhard, T. Reed, and M. Studer. 1987. An investigation of the fish and benthic macroinvertebrate populations at the W. C. Beckjord power plant, New Richmond, Ohio: Summer 1987. Bulletin No. 19. Thomas More College Biology Field Station, California, KY.

Manuscripts in final preparation

Koch, R.W. and B. Palik. (inpreparation). Influences of channel-reach geomorphology on stream biota. Review to be submitted to the Journal of North American Benthological Society, December 2003.

Koch, R.W. and M.C. Miller.(inpreparation). Community response of benthic macroinvertebrates to eutrophication and fluctuating water levels in Ohio River floodplain ponds. To be submitted to Wetlands, May 2004.

Grants:

Koch, R.W.,B.J. Palik and P.C. Goebel. 2002 - 2005. Influence of stream geomorphology and large wood dams on organic matter processing and aquatic foodwebs in northern hardwood watersheds. USDA CSREES NRI. $314,397.

Koch, R.W. 2002 - 2003. Effects of geomorphology and landscape position on organic matter processing in forest watersheds of Lake Superior. NCRS USDA Forest Service. $27,000.

Thorp, J. H, R.W. Koch, D.L. Guelda, T.W. Sellers and R.B. Summers. 1997. The effects of a major flood on riverine secondary production. NSF SGER. $30,000.

Koch, R.W. 1994-1995. Organic carbon interactions between the Ohio River, Great Miami River and Oxbow floodplain. Oxbow Inc., Cincinnati, OH. $3,000.

Koch, R.W. 1993. Benthic macroinvertebrate and fish production in the Oxbow floodplain, southeast Indiana. Oxbow Inc., Cincinnati, OH. $1,500.

Invited Papers:

Koch, R.W. 2001. Influence of wetlands and riparian vegetation structure on solute flux from forested watersheds. NC-230 Integrated Riparian Project, Des Moines, Iowa.

Offered Papers (past 5 years):

Koch, R.W. 2003. Influence of seasonal flooding on productivity and decomposition of organic matter in riverine wetlands of the Ohio River. Society of Wetland Scientists, New Orleans, LA.

Koch, R.W. and P.A. Bukaveckas. 2002. Resource limitation in riverine bacterioplankton: interactions of temperature and discharge. Mississippi River Research Consortium, Lacrosse, Wisconsin.

Koch, R.W. and P.A. Bukaveckas. 2001. Influence of light and temperature on nutrient limitation in large river phytoplankton and bacteria. North American Benthological Society, La Crosse, Wisconsin.

Koch, R.W. and P.A. Bukaveckas. 2001. Evidence of silica limitation in riverine phytoplankton. American Society of Limnology and Oceanography, Albuquerque, NM.

Koch, R.W. and P.A. Bukaveckas. 2000. Seasonal variation in the occurrence of light and nutrient limitation of phytoplankton growth in large rivers. American Society of Limnology and Oceanography, Copenhagen, Denmark.

Bukaveckas, P.A., D.L. Guelda, R.W. Koch and T.W. Sellers. 2000. Tributary inputs and transformations of C, N, and P in a large river ecosystem. American Society of Limnology and Oceanography, Copenhagen, Denmark.

Koch, R.W. and P.A. Bukaveckas. 1999. Complexity of light and nutrient limitation in riverine phytoplankton. Ohio River Basin Consortium for Research and Education Annual Scientific Symposium, Cincinnati, OH.

Bukaveckas, P.A., D. L. Guelda, R.W. Koch and T.W. Sellers. 1999. Biotic regulation of carbon, nitrogen and phosphorus flux from the Ohio River. Ohio River Basin Consortium for Research and Education Annual Scientific Symposium, Cincinnati, OH.

Bukaveckas, P.A., R.W. Koch, T. Sellers, J. Shostell and J. Williams. 1999. Nutrient limitation of phytoplankton growth in advective environments: Implications for down-stream fluxes of N, P, and Si. American Society of Limnology and Oceanography.

Koch, R.W., P.A. Bukaveckas, D.L. Guelda, T. Sellers, J. Shostell and J. Williams. 1999. Nutrient limitation of phytoplankton growth in advective environments: Implications for downstream fluxes of N, P, and Si. Society of Environmental Toxicology and Chemistry, Ohio Valley Regional Chapter, Madison, IN.

Bukaveckas, P.A., D.L. Guelda, R.W. Koch and T. Sellers. 1999. Processing of Carbon, Nitrogen and Phosphorus in a large river ecosystem: The Ohio River and its major tributaries. Ohio River Basin Consortium for Research and Education Annual Scientific Symposium, Cincinnati, OH.

Bukaveckas, P.A., A. Crain, R.W. Koch, T. Sellers, J. Shostell and J. Williams. 1999. The role of advection in constraining plankton community development in large rivers and impoundments. North American Benthological Society, Duluth, MN.

Koch, R.W., P.A. Bukaveckas, E. Jourdain and J.H. Thorp. 1998. Longitudinal gradients in dissolved organic carbon and bacterioplankton in the Ohio River. American Society of Limnology and Oceanography and Ecological Society of America, St. Louis, MO.

Bukaveckas, P.A., E. Jourdain, R.W. Koch, T. Sellers, and J. Thorp. 1998. Longitudinal gradients in nutrients and phytoplankton in the Ohio River. Ohio River Basin Consortium for Research and Education Annual Scientific Symposium, Portsmouth, OH.

Bukaveckas, P.A., R.W. Koch, T. Sellers, J. Shostell, and J. Williams. 1998. Nutrient limitation of phytoplankton growth in advective environments: Implications for downstream fluxes of N, P, and Si. American Society of Limnology and Oceanography and Ecological Society of America National Meeting