Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Dr. Clay Pierce

Research Publications

  • Zaffarano, B. A., Yaw, T. J., J. E. Swanson, C. L. Pierce, E. Muths, K. L. Smalling, and M. W. Vandever. 2017. Placement of intracoelomic radio transmitters and silicone passive sampling devices in northern leopard frogs (Lithobates pipiens). https://doi.org/10.5818/16-10-090.1
  • Sullivan, C. J., C. A. Camacho, M. J. Weber, and C. L. Pierce. 2017. Intra-annual variability of Silver Carp populations in the Des Moines River, USA. North American Journal of Fisheries Management 37:836-849. DOI: https://doi.org/10.1080/02755947.2017.1330785
  • Reeves, R. A., C. L. Pierce, M. W. Vandever, E. Muths, and K. L. Smalling. 2017. Amphibians, pecticides, and the amphibian chytrid fungus in restored wetlands in agricultural landscapes. Herpetological Conservation and Biology 12:68-77.
  • Reeves, R. A., C. L. Pierce, E. Muths., K. L. Smalling, R. W. Klaver, M. W. Vandever and W. A. Battaglin. 2015. Restored agricultural wetlands in central Iowa: habitat quality and amphibian response. Wetlands 36(1):101-110 (DOI 10.1007/s13157-015-0720-9).
  • Bakevich, B. D., C. L. Pierce, and M. C. Quist. 2015. Status of the Topeka shiner in west-central Iowa. American Midland Naturalist 174:350-358.
  • Colvin, M. E., C. L. Pierce, and T. W. Stewart. 2015. A food web modeling analysis of a Midwestern, USA eutrophic lake dominated by non-native Common Carp and Zebra Mussels. Ecological Modeling 312:26-40.
  • Parks, T. P, M. C. Quist, and C. L. Pierce. 2014. Anthropogenic disturbance and environmental associations with fish assemblage structure in two nonwadeable rivers. River Research and Applications DOI: 10.1002/rra.2844.
  • Smalling, K. L., R. A. Reeves, E. Muths, M. W. Vandever, W. A. Battaglin, M. L. Hladik, and C. L. Pierce. 2015. Pesticide concentrations in frog tissue and wetland habitats in a landscape dominated by agriculture. Science of the Total Environment 502 (2015):80-90.
  • Parks, T. P, M. C. Quist, and C. L. Pierce. 2014. Historical changes in fish assemblage structure in Midwestern nonwadeable rivers. American Midland Naturalist 171:27-53.
  • Bakevich, B. D., C. L. Pierce, and M. C. Quist. 2013. Habitat, fish species, and fish assemblage associations of the Topeka shiner in west-central Iowa. North American Journal of Fisheries Management 33:1258-1268.
  • Pierce, C. L., N. L. Ahrens, A. K. Loan-Wilsey, G. A. Simmons, and G. T. Gelwicks. 2013. Fish assemblage relationships with physical characteristics and presence of dams in three eastern Iowa rivers. River Research and Applications. DOI: 10.1002/rra.2654.
  • Colvin, M. E., C. L. Pierce, T. W. Stewart, and Scott E. Grummer. 2012. Strategies to control a common carp (Cyprinus carpio) population by pulsed commercial harvest. North American Journal of Fisheries Management 32:1251-1264.
  • Sindt, A. R., M. C. Quist, and C. L. Pierce. 2012. Habitat associations of fish species of greatest conservation need at multiple spatial scales in wadeable Iowa streams. North American Journal of Fisheries Management 32:1046-1061.
  • Colvin, M. E., C. L. Pierce, and T. W. Stewart. 2012. Semi-discrete biomass dynamic modeling: an improved approach for assessing fish stock responses to pulsed harvest events. Canadian Journal of Fisheries and Aquatic Sciences 69:1710-1721.
  • Sindt, A. R., C. L. Pierce, and M. C. Quist. 2012. Fish species of greatest conservation need in wadeable Iowa streams: current status and effectiveness of Aquatic Gap Program distribution models. North American Journal of Fisheries Management 32:135-146.
  • Thomas, J. T., M. E. Culler, D. C. Dermisis, C. L. Pierce, A. N. Papanicolaou, T. W. Stewart, and C. J. Larson. 2011. Effects of grade control structures on fish passage, biological assemblages, and hydraulic environments in western Iowa streams: a multidisciplinary review. River Research and Applications DOI: 10.1002/rra
  • Sindt, A. R., J. R. Fischer, M. C. Quist, and C. L. Pierce. 2011. Ictalurids in Iowa’s streams and rivers: status, distribution, and relationships with biotic integrity. Pages 335-347 in Conservation, Ecology & Management of Worldwide Catfish Populations & Habitats. American Fisheries Society, Symposium 77, Bethesda, Maryland.
  • Rowe, D. C., C. L. Pierce, and T. F. Wilton. 2009. Fish assemblage relationships with physical habitat in wadeable Iowa streams. North American Journal of Fisheries Management 29:1314-1332.
  • Rowe, D. C., C. L. Pierce, and T. F. Wilton. 2009. Physical habitat and fish assemblage relationships with landscape variables at multiple spatial scales in wadeable Iowa streams. North American Journal of Fisheries Management 29:1333-1351.
  • Koch, J., Quist, M., Pierce, C., Hansen, K., and M. Steuck. 2009. Effects of commercial harvest on shovelnose sturgeon populations in the Upper Mississippi River. North American Journal of Fisheries Management 29:84-100.
  • Litvan, M. E., C. L. Pierce, T. W. Stewart, and C. J. Larson. 2008. Fish assemblages in a western Iowa stream modified by grade control structures. North American Journal of Fisheries Management 28:1398-1413.
  • Litvan, M. E., C. L. Pierce, T. W. Stewart, and C. J. Larson. 2008. Fish passage in a western Iowa stream modified by grade control structures. North American Journal of Fisheries Management 28:1384-1397.
  • Penne, C. R., and C. L. Pierce. 2008. Seasonal distribution, aggregation, and habitat selection of common carp in Clear Lake, Iowa. Transactions of the American Fisheries Society 137:1050-1062.
  • Litvan, M. E., T. W. Stewart, C. L. Pierce, and C. J. Larson. 2008. Effects of grade control structures on the macroinvertebrate assemblage of an agriculturally-impacted stream. River Research and Applications 24:218-233.
  • Penne, C. R., N. L. Ahrens, R. C. Summerfelt, and C. L. Pierce. 2007. Effect of relative transmitter volume on expulsion of radio transmitters in subadult common carp. North American Journal of Fisheries Management 27:986-991.
  • Duehr, J. P., M. J. Siepker, C. L. Pierce, and T. M. Isenhart. 2007. Relationships of riparian buffer strips to in-stream habitat, macroinvertebrates and fish in a small Iowa stream. Journal of the Iowa Academy of Science 113:49-55.
  • Palic, D., L. Helland, B. R. Pedersen, J. R. Pribil, R. M. Grajeda, A. K. Loan-Wilsey and C. L. Pierce. 2007. Fish assemblages of the upper Little Sioux River basin, Iowa, USA: relationships with stream size and comparison with historical assemblages. Journal of Freshwater Ecology 22(1):69-79.
  • Frohnauer, N. K., C. L. Pierce, and L. W. Kallemeyn. 2007. Population dynamics and angler exploitation of the unique muskellunge population in Shoepack Lake, Voyageurs National Park, Minnesota. North American Journal of Fisheries Management 27:63-76.
  • Frohnauer, N. K., C. L. Pierce, and L. W. Kallemeyn. 2007. Simulated effects of recruitment variability, exploitation, and reduced habitat area on the unique muskellunge population in Shoepack Lake, Voyageurs National Park, Minnesota. North American Journal of Fisheries Management 27:77-88.
  • Shoup, D. E., S. P. Callahan, D. H. Wahl, and C. L. Pierce. 2007. Size-specific growth of bluegill, largemouth bass and channel catfish in relation to prey availability and limnological variables. Journal of Fish Biology 70:21-34.
  • Heitke, J. D., C. L. Pierce, G. T. Gelwicks, G. A. Simmons, and G. L. Siegwarth. 2006. Habitat, land use and fish assemblage relationships in Iowa streams: preliminary assessment in an agricultural landscape. Pages 287-303 in L. Wang, and R. Hughes, editors. Influences of landscape on stream habitat and biological communities. American Fisheries Society, Symposium 48, Bethesda, Maryland.
  • Liao, H., C. L. Pierce, and J. G. Larscheid. 2005. An empirical model for estimating annual consumption by freshwater fish populations. North American Journal of Fisheries Management 25:525-532.
  • Liao, H., C. L. Pierce, and J. G. Larscheid. 2004. Consumption Dynamics of the Adult Piscivorous Fish Community in Spirit Lake, Iowa. North American Journal of Fisheries Management 24:890-902.
  • Hoxmeier, R. J. H., D. H. Wahl, M. L. Hooe, and C. L. Pierce. 2004. Growth and survival of larval walleye in response to prey availability. Transactions of the American Fisheries Society 133: 45-54.
  • Pegg, M. A., C. L. Pierce, and A. Roy. 2003. Effects of channelization and impoundment on flow in the Missouri River: a time-series analysis of daily mean flow. Aquatic Sciences 65: 63-72.
  • Pegg, M. A., and C. L. Pierce. 2002. Fish community structure in the Missouri and lower Yellowstone Rivers in relation to flow characteristics. Hydrobiologia 479: 155-167.
  • Liao, H., C. L. Pierce, and J. G. Larscheid. 2002. Diet dynamics of the adult piscivorous fish community in Spirit Lake, Iowa, USA 1995-1997. Ecology of Freshwater Fish 11: 178-189.
  • Quist, M. C., C. S. Guy, M. A. Pegg, P. J. Braaten, C. L. Pierce, and V. H. Travnicek. 2002. Potential influence of harvest on shovelnose sturgeon populations in the Missouri River system: a case for pro-active management. North American Journal of Fisheries Management 22:537-549.
  • Pegg, M. A., and C. L. Pierce. 2002. Classification of reaches in the Missouri and lower Yellowstone Rivers based on flow characteristics. River Research and Applications 18:31-42.
  • Pegg, M. A., and C. L. Pierce. 2001. Growth rate responses of Missouri and lower Yellowstone River fishes to a latitudinal gradient. Journal of Fish Biology 59(6):1529-1543.
  • Pelham, M. E., C. L. Pierce, and J. G. Larscheid. 2001. Diet dynamics of the juvenile piscivorous fish community in Spirit Lake, Iowa, 1997-1998. Ecology of Freshwater Fish 10:198-211.
  • Pierce, C. L., A. M. Corcoran, A. N. Gronbach, S. Hsia, B. J. Mularkey, and A. J. Schwartzhoff. 2001. Influence of diel period on electrofishing and beach seining assessments of littoral fish assemblages. North American Journal of Fisheries Management 21:918-926.
  • Pierce, C. L., M. D. Sexton, M. E. Pelham, H. Liao and J. G. Larscheid. 2001. Dynamics of the littoral fish assemblage in Spirit Lake, Iowa and implications for prey availability for piscivores. North American Journal of Fisheries Management 21:884-896.
  • Pierce, C. L., M. D. Sexton, M. E. Pelham and J. G. Larscheid. 2001. Short-term variability and long-term change in the composition of the littoral zone fish community in Spirit Lake, Iowa. American Midland Naturalist 146(2):290-299.
  • Liao, H., C. L. Pierce, and J. G. Larscheid. 2001. Empirical assessment of indices of prey importance in the diets of predacious fish. Transactions of the American Fisheries Society 130:583-591.
 

Current Staff

Federal Staff: 2

Masters Students: 3

Phd Students: 3

Post Docs: 0

University Staff: 9

5 Year Summary

Students graduated: 13

Scientific Publications: 42

Presentations: 47

 

Contact Us

Iowa Cooperative Fish and Wildlife Research Unit Ames, IA 50011-1031 Phone: (515) 294 - 3056 Fax: (515) 294 - 5468 Our University Web Site

Unit Leader

Bob Klaver
Bob Klaver

I am a Wildlife Biologist who moved to Iowa in January 2012 from the USGS Earth Resources Observation and Science Center in Sioux Falls, South Dakota. While at EROS I worked in collaboration with faculty and students at South Dakota State University. Previously, I was the regional GIS coordinator for the Bureau of Indian Affairs in Portland, OR. I also served as a wildlife biologist on the Flathead Indian Reservation working with multiple species and coordinated wildlife activies with other resourdes like forestry and range management.

Iowa Cooperative Fish and Wildlife Research Unit Cooperators

  1. Iowa Department of Natural Resources
  2. Iowa State University
  3. U.S. Fish and Wildlife Service
  4. U.S. Geological Survey
  5. Wildlife Management Institute