Cooperative Fish and Wildlife Research Units Program:
Education, Research and Technical Assistance for Managing Our Natural Resources

Staff Member

Mr. David Randall Stewart

Flathead catfish caught from Lake Lone Chimney, Oklahoma.
Post Doc
Phone: (405) 880 - 2731
Email: Randy.Stewart@okstate.edu

Education

  • Ph D Oklahoma State University 2014
  • MS Middle Tennessee State University 2009
  • BS Martin Methodist College 2006

Biography

I'm currently a doctoral candidate at Oklahoma State University researching stocking success of 7-in channel catfish.. I'm interested in fisheries management particularly pertaining to how reservoir habitat influences fish distributions.

Research Publications Publication Date
Ulicny, K. J, D.R. Stewart, A. McElwain, E.R. Salmon, S.A. Bullard, J.O. Cook, G.B. Skomal, H.L. Pratt, Jr., and G.W. Benz. 2007. Sealing Whirl-Pak-type bags containing wet samples. Tennessee Academy of Science 88-89. | Abstract | Download July 2007
Stewart, DR, JM Long, and DE Shoup. 2015. Spatial structuring within a reservoir fish population: implications for management. Marine and Freshwater Research 66:202-212. | Abstract October 2014
Stewart, D.R., G.D. Scholten, and G.W. Benz. 2009. Weight-length relationships and growth data for blue catfish, Ictalurus furcatus, among four Tennessee waterbodies. Proceedings of the Southeastern Association of Fish and Wildlife Agencies 63:140-146. | Abstract | Download | Publisher Website November 2009
Stewart, D.R. and J.M. Long. 2016. Using an experimental manipulation to determine the effectiveness of a stock enhancement program. Journal of Freshwater Ecology 31:37-52. http://dx.doi.org/10.1080/02705060.2015.1021715 | Abstract March 2015
Stewart, D.R. and J.M. Long. 2012. Precision of channel catfish catch estimates using hoop nets in larger Oklahoma reservoirs. North American Journal of Fisheries Management 32:1108-1112. | Abstract October 2012
Stewart, D.R. and J.M. Long. 2016. Using hierarchical Bayesian multi-species mixture models to estimate tandem hoop-net based habitat associations and detection probabilities of fishes in reservoirs. Transactions of the American Fisheries Society 145:450-461. DOI: 10.1080/00028487.2016.1143395 | Abstract April 2016
Stewart, D.R. and J.M. Long. 2015. Growth and contribution of stocked channel catfish, Ictalurus punctatus (Rafinesque 1818); the importance of measuring post-stocking performance. Journal of Applied Ichthyology 31:695-703. doi:10.1111/jai.12797. | Abstract May 2015
Stewart, D.R. and J.M. Long. 2011. Mass-marking Channel Catfish Fingerlings by Immersion in Oxytetracycline. Proceedings of the Oklahoma Academy of Science 91, 31-36. | Abstract | Download | Publisher Website September 2012
Stewart, D. R., G. D. Scholten, T. N. Churchill, and J. M. Fly. 2012. Angler opinions regarding catfish management in Tennessee. Proceedings of the Southeastern Association of Fish and Wildlife Agencies 66:88-93. | Abstract | Download December 2012
Long, J. M. and D. R. Stewart. 2010. Verification of otolith identity used by fisheries scientists for aging channel catfish. Transactions of the American Fisheries Society 139:1775-1779. | Abstract November 2010
Cartabiano, E.C., D.R. Stewart, and J.M. Long. 2015. Effect of bait and gear type on turtle bycatch and Channel Catfish population parameter estimates in a reservoir. Journal of Freshwater Ecology 30:407-415. http://dx.doi.org/10.1080/02705060.2014.966165 | Abstract October 2014
Project Completion Date
Identification of priority conservation areas for native aquatic species September 2016
Effectiveness of stocking 7-inch channel catfish to reservoir fisheries December 2013
Long term fish monitoring of 30 “high priority” lakes throughout Florida December 2009
Weight-length relationships and growth data for blue catfish, Ictalurus furcatus, among four Tennessee waterbodies May 2009
Age and growth of blue catfish, Ictalurus furcatus, Lesueur 1840, in three exploited and one unexploited waterbodies in Tennessee May 2009
Variable growth rates of Lake Panosoffkee bluegill and redear sunfish due to density-independent variables December 2009
Presentations Presentation Date
Stewart, DR, JM Long, and DE Shoup. 2014. Spatial structuring within a reservoir fish population by an unintended protected area: implications for management. Colorado-Wyoming Chapter of the American Fisheries Society Annual Meeting, Laramie, WY. March 2014
Stewart, D.R., J.M. Long, and D.E. Shoup. 2016. Effect of length-based harvest regulations for trophy and recreational Ictalurus fisheries. Joint Annual Meeting of the Arizona/New Mexico Chapters of the Wildlife Society and the Arizona/New Mexico Chapters of the American Fisheries Society. Flagstaff, AZ. February 2016
Stewart, D.R. and J.M. Long. 2016. Growth and contribution of stocked channel catfish, Ictalurus punctatus (Rafinesque, 1818): the importance of measuring post-stocking performance. Joint Annual Meeting of the Arizona/New Mexico Chapters of the Wildlife Society and the Arizona/New Mexico Chapters of the American Fisheries Society. Flagstaff, AZ. February 2016
Stewart, D.R. and J.M. Long. 2013. The use of Side-Scan sonar as a tool to map habitat in Oklahoma reservoirs. Oklahoma Clean Lakes and Watersheds Association Annual Conference, Stillwater, OK. April 2013
Stewart, D.R. and J.M. Long. 2013. Influence of stocking and competing species on the trophic ecology of channel catfish in Oklahoma reservoirs. Southern Division American Fisheries Society Annual Meeting, Nashville. February 2013
Stewart, D.R. and J.M. Long. 2013. Density dependence affects growth of stocked channel catfish as revealed by stable isotope analysis. Annual Meeting of the American Fisheries Society, Little Rock, AR. September 2013
Stewart, D.R. and J.M. Long. 2012. Influence of stocking and competing species on the trophic ecology of channel catfish in Oklahoma reservoirs. Annual Meeting of the Oklahoma Chapter American Fisheries Society, Stillwater, OK. October 2012
Shiflet, J., D. Balsman, D.R. Stewart, D.E. Shoup, and J.M. Long. 2015. Influence of bait type on catch and bycatch in tandem hoop nets set in Kentucky small impoundments. Southern Division American Fisheries Society Annual Meeting, Savannah, Georgia. February 2015
Hafen, T. A. Taylor, D. A. Hendrickson, D. R. Stewart and J. M. Long. 2020. Environmental DNA (eDNA) to assess the distribution of Yaqui Catfish (<i>Ictalurus pricei</i>) in the Yaqui River basin of Mexico. American Fisheries Society Annual Meeting, Columbus, Ohio.<br><br> September 2020
Duck, J.L., D.R. Stewart, D.E. Shoup, and J.M. Long. 2012. White crappie population characteristics at Lake McMurtry: “a tale of two sides”. Annual Meeting of the Oklahoma Chapter American Fisheries Society. Stillwater, OK. October 2012
Cartabiano, E., D.R. Stewart, and J.M. Long. 2014. Comparison of methods and bait-type to minimize by-catch when sampling for channel catfish in reservoirs. Southern Division American Fisheries Society Annual Meeting, Charleston, SC. January 2014
4. Stewart, D.R., G.D. Scholten, T.N. Churchill, and J.M. Fly. 2012. Angler opinions of catfish management in Tennessee. In: Program and abstracts of the Southeastern Association of Fish and Wildlife Agencies Annual Meeting, Hot Springs, AR. September 2012
Technical Publications Publication Date
Stewart, D.R., G.W. Benz, and G.D. Scholten. 2009. Age and growth of blue catfish, Ictalurus furcatus, among three exploited and one unexploited waterbodies in Tennessee. In: Southern Division of the American Fisheries Society Catfish Technical Committee Meeting, New Orleans, LA.* | Download February 2009
Stewart, D. R. and J. M. Long. 2011. Stocking Success of 7-in channel catfish in medium size Oklahoma reservoirs. July 2011
Stewart, D. R. and J. M. Long. 2010. Stocking Success of 7-in channel catfish in medium size Oklahoma reservoirs. | Download July 2010