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Dr. Jason Vokoun
Professor &
Department Head

Department of Natural Resources & the Environment


Director of the Wildlife & Fisheries Conservation Center


Research/Lab Webpage

University of Connecticut
U-4087, 1376 Storrs Road
Storrs, CT 06269-4087


Room #227D
Phone: (860) 486-0141
Fax: (860) 486-5408


Ph.D. 2003 University of Missouri; Fisheries and Wildlife Sciences
M.S. 1999 University of Missouri; Fisheries and Wildlife Sciences
B.S. 1996 University of Nebraska; Forestry, Fisheries, and Wildlife

Undergraduate Courses

NRE 1235 Environmental Conservation (in rotation)
NRE 2345 Intro to Fisheries & Wildlife (co-taught)
NRE 3245 Environmental Law (summer online)
NRE 4000W Natural Resources Planning and Management (in rotation)
NRE 4335 Fisheries Management

Research Interests

Resource selection and habitat use of aquatic species; statistical modeling of habitat use; fish movement and migration; conservation of stream ecosystems; species of special conservation concern; fisheries sampling issues dealing with sample sizes and effort.

Work Experience

2018 - Present University of Connecticut, Professor & Department Head
2010 - 2018 University of Connecticut, Associate Professor
2004 - 2010 University of Connecticut, Assistant Professor
1999 University of Missouri, Research Associate


Recent Manuscripts

  • O'Connor, K.; L. Nathan; M. Liberati; M. Tingley; J. Vokoun; and T. Rittenhouse. In Press. Camera Trap Arrays Improve Detection Probability of Wildlife: Investigating Study Design Considerations Using an Empirical Dataset. PLoS One.
  • Hessenauer, J.-M., J.C Vokoun, A. Welsh, J. Davis, R. Jacobs, and E. O’Donnell. 2017. Can Largemouth Bass Transplanted from an Unexploited Population Genetically Contribute to an Active Fishery? A Test Case for Genetic Management of Exploited Fish Populations. North American Journal of Fisheries Management 37:271-283. DOI:10.1080/02755947.2016.1264504.
  • Dreiss, L.M., D.P. Kloster, M.R. Liberati, J.R. Barclay, J-M. Hessenauer, L.R. Nathan, K.M. O’Connor, J.C. Vokoun, and A.T. Morzillo. 2016.Adaptive management as an effective strategy: interdisciplinary perceptions for natural resources management. Environmental Management 59:218-229.
  • Liberati, M.R., C.D. Rittenhouse, and J.C. Vokoun. 2016. Beyond protection: expanding “conservation opportunity” to redefine conservation planning in the 21st centrury. Journal of Environmental Management 183:33-40.
  • Hessenauer, J.-M., J. Vokoun, J. Davis, R. Jacobs, and E. O’Donnell. 2016. Naivety to angling lost at different rates among fished and unfished populations of Largemouth Bass. Transactions of the American Fisheries Society 145:1068-1076.
  • Dreiss, L.M., D.P. Kloster, M.R. Liberati, J.R. Barclay, J-M. Hessenauer, L.R. Nathan, K.M. O’Connor, and J.C. Vokoun. 2015. Introducing adaptive management for natural resources: an estuary case study. Natural Sciences Education 44:149-158.
  • Hessenauer, J.-M., J.C. Vokoun, C.D. Suski, J. Davis, R. Jacobs, and E. O’Donnell. 2015. Differences in the metabolic rates of exploited and unexploited fish populations: a signature of recreational fisheries induced evolution? PLoS ONE 10:e0128336. DOI: 10.1371/journal.pone.0128336.
  • Pregler, K.C., J.C. Vokoun, T. Jensen, and N. Hagstrom. 2015. Using multi-method occupancy estimation models to quantify gear differences in detection probabilities: is backpack electrofishing missing occurrences for a species of concern? Transactions of American Fisheries Society 144:89-95 DOI: 10.1080/00028487.2014.968291.
  • Hessenauer, J.-M., J. Vokoun, J. Davis, R. Jacobs, and E. O’Donnell. 2014. Population characteristics of historically unexploited largemouth bass in southern New England water supply reservoirs. Journal of Freshwater Ecology 29:429-439 DOI: 10.1080/02705060.910147.
  • Kanno. Y., B.H. Letcher, J.C. Vokoun, and E.F. Zipkin. 2014. Spatial variability in adult brook trout survival within two intensively surveyed headwater stream networks. Canadian Journal of Fisheries and Aquatic Sciences 71:1010-1019 DOI: 10.1139/cjfas-2013-0358.
  • Landi, A.A., J.C. Vokoun, P. Howell, and P. Auster. 2014. Predicting use of habitat patche by spawning horseshoe crabs (Limulus polyphemus) along a complex coastline with field surveys and geospatial analyses. Aquatic Conservation: Marine and Freshwater Ecosystems DOI: 10.1002/aqc.2440.
  • Kanno, Y., J.C. Vokoun, and B.H. Letcher. 2013. Paired stream-air temperature measurements reveal fine-scale thermal heterogeneity within headwater brook trout stream networks. River Research and Applications 30:745-755 DOI: 10/1002/rra.2677.
  • Jensen, T., and J.C. Vokoun. 2013. Using multistate occupancy estimation to model habitat use in difficult to sample watersheds: bridle shiner in a low-gradient swampy stream. Canadian Journal of Fisheries and Aquatic Sciences 70:1429-1437 DOI: 10.1139/cjfas-2013-0011.
  • Davis, J.P., E.T. Schultz, and J.C. Vokoun. 2012. Striped bass consumption of blueback herring during vernal riverine migrations: does relaxing harvest restrictions on a predator help conserve a prey species of concern? Marine and Coastal Fisheries 4:239-251.
  • Gahagan, B.I., J.C. Vokoun, G.W. Whitledge, and E.T. Schultz. 2012. Evaluation of otolith microchemistry for identifying natal origin of anadromous river herring in Connecticut. Marine and Coastal Fisheries 4:358-372.
  • Kanno, Y., J.C. Vokoun, K.E. Holsinger, and B.H. Letcher. 2012. Estimating size-specific brook trout abundance in continuously-sampled headwater streams using Bayesian mixed models with zero-inflation and overdispersion. Ecology of Freshwater Fish 21:404-419.
  • Click for additional manuscripts

Technical Publications

  • Fisher, W.L., M.A. Bozek, J.C. Vokoun, and R.B. Jacobson. 2012. Freshwater Aquatic Habitat Measurements, Chapter 4. Pages 101- 161 in Zale, A., D. Parrish, and T. Sutton, eds. Fisheries Techniques, 3rd Edition. American Fisheries Society, Bethesda, MD.
  • Vokoun, J.C., and Y. Kanno. 2010. Brook trout (Salvelinus fontinalis) populations in headwater channel networks in Connecticut: riverscape genetics and abundance projections under climate change. Completion Report submitted to Connecticut Department of Environmental Protection. University of Connecticut, Storrs. 43pp.
  • Vokoun, J.C, and D. Watrous. 2009. Determining swim speed performance characteristics for fish passage of burbot using an experimental flume and nature-like fishway.Completion Report submitted to Connecticut Department of Environmental Protection. University of Connecticut, Storrs. 27pp.
  • Vokoun, J.C., and C. R. Perkins. 2008.Second statewide assessment of mercury contamination in fish tissue from Connecticut lakes (2005-2006).Completion Report submitted to Connecticut Department of Environmental Protection. University of Connecticut, Storrs. 49pp.
  • Vokoun, J.C., and C.F. Rabeni.2000. Recovery of prairie fish assemblages at the transition from channelized to unchannelized: implications for conservation of natural channels. Missouri Cooperative Fish and Wildlife Research Unit. Completion Report. Columbia, Missouri. 25 pp
  • Vokoun, J.C., and D.B. Noltie.2000. Missouri state parks fish faunal survey. University of Missouri, Department of Fisheries and Wildlife Sciences. Completion Report. Columbia, Missouri. 169 pp
  • Vokoun, J.C., S. Williams, L. Dorsey, S. Ermeling, and E. Nelson.1997.  Sampling the catfishes (Ictaluridae): an indexed bibliography.  Missouri Cooperative Fish and Wildlife Research Unit, Columbia, Missouri. 27 pp
Department of Natural Resources and the Environment
College of Agriculture and Natural Resources
University of Connecticut
1376 Storrs Road, Unit 4087
Storrs, Connecticut 06269-4087
Phone: 860-486-2840