Instructor of Biology
Education and Training
Ball State University, Ph.D. (2015)
Ball State University, M.S. (2003)
Ball State University, B.S. (2001)
My general interests are in quantitative fisheries management and ecology. I am specifically interested in the management of exploited fish populations and I have studied sport fish population dynamics in Lentic and Lotic environments. I am particularly interested in applying Bayesian modeling techniques to address practical fisheries management objectives.
Figure 1. Map of southern Lake Michigan sampling zones.
Lake Michigan Yellow Perch - The Yellow Perch Perca flavescens has a long history as an important sport and commercial species in Indiana waters of Lake Michigan. The Yellow Perch population has undergone wide fluctuations in the past and in Indiana, it has been at a very low density since the early 1990s following a precipitous decline from peak abundance in the mid-1980s. Beginning in 1995, the Indiana Department of Natural Resources (IDNR) imposed quota restrictions on commercial fishermen in an attempt to conserve and rebuild the failing stock. In 1997, commercial fishing for Yellow Perch was closed and a daily creel limit of 15 was imposed on sport anglers as the population continued to show no signs of recovery. These harvest restrictions remain in effect at of this writing. Our work provides the Indiana Department of Natural Resources with the information necessary to make informed management decisions.
Figure 2. Yield (kg) estimates of Walleye constructed from the yield-per-recruit model under conditional mortality rates ranging from 0.05 to 0.75 and minimum harvest length limits ranging from 203 to 508 mm and based on (A) conditional natural mortality estimated from the data, (B) conditional natural mortality fixed at 0.20, and (C) conditional natural mortality fixed at 0.50. Error bars represent 95% credible intervals.
Yield-per-recruit modeling of two piscivores in a Midwestern reservoir: A Bayesian approach - Walleye Sander vitreus and hybrid striped bass Morone chrysops x M. saxatilis fisheries are supported by annual stockings in many Midwestern reservoirs. Fisheries managers can modify length limits or bag limits to maximize yield of these species. Yield-per-recruit models are used to evaluate expected yield and assist managers to determine which regulation to implement. However, yield-per-recruit models are typically formulated with point estimates of life history parameters, which ignore uncertainty. Our objective was to estimate yield from yield-per-recruit models of Walleye and hybrid striped bass under variable harvest strategies (e.g., variable minimum length limits and conditional fishing mortality rates) and three levels of conditional natural mortality (cm = estimated natural mortality, cm = 0.20, and cm = 0.50) while incorporating uncertainty from the input model parameters. We estimated parameters of age and growth, mortality, and weight-length models simultaneously using Bayesian inference. The full posterior distribution of these model parameter estimates were then used to estimate yield. Yield estimates of both species were sensitive to specification of conditional natural mortality. Specifically, we found yield was different among length limits for both species at high conditional fishing mortality rates when natural mortality was set at estimated values. We also found yield decreased with both species as minimum length limits increased with high
conditional natural mortality (cm = 0.50) and low conditional fishing mortality.
Figure 3. Probability profiles of achieving 80% maximum yield of Walleye under conditional mortality rates ranging from 0.05 to 0.75 and minimum length limits ranging from 254 to 508 mm. Maximum yield based on 406 mm minimum length limit and conditional fishing mortality of 0.70. The probability of achieving 80% maximum yield with a minimum length limit of 203 mm was estimated but results were < 0.001 for all conditional fishing mortality and thus are not included here.
Finally, we presented a probabilistic framework to determine how changing minimum length limits and conditional fishing mortality affects the probability of achieving 80% of the maximum yield. Our results provide insight on the expected yield under different minimum length limits and bag limits while incorporating uncertainty in the model inputs and adds to the sparse literature on hybrid striped bass population dynamics.
Estimating stream electrofishing capture probabilities while accounting for schooling behavior
Macroecology of North American suckers (Catostomidae): tests of Bergmann’s and Rapoport’s rules.The Branch Effect: Understanding multi-campus enrollment and student success
Best Professional Paper, Indiana AFS 2015
Outstanding PhD Student in Environmental Science, 2015
Ball State University Student Symposium Keys/Litten/Smith award for most compelling poster project, 2015
Ball State University Department of Biology Outstanding Graduate in Field Sciences award, 2015
Ball State University AFS Excellence in Fisheries Award, 2014
Best Student Paper, Indiana AFS 2014
Best Student Paper, International Association for Great Lakes Research 2013
Best Student Paper, Indiana AFS 2013
Recipient Indiana AFS Meritorious Service Award 2012
Recipient NCD AFS Meritorious Service Award 2012
Recipient AFS John E. Skinner travel award, August 2012
Awarded “Certified Fisheries Professional” Status by the AFS, May 2011
Best Professional Paper, Indiana AFS, 2011
Best Professional Paper, Indiana AFS, 2010
Best Professional Paper, Indiana AFS, 2007
Doll, J.C., T.E. Lauer, & S. Clark-Kolaks. 2015. Covariates of age-0 Walleye Sander vitreus fall recruitment from stocked populations in six Midwestern reservoirs. Fisheries Research 172:274-286.
Jacquemin, S.J., & J.C. Doll. 2015. Macroecology of North American suckers (Catostomidae): tests of Bergmann’s and Rapoport’s rules. Ecology and Evolution DOI: http://dx.doi.org/10.1002/ece3.1637.
Jacquemin, S.J., J.C. Doll, D.A. Owen & M. Pyron. 2015. Effects of flow regime on growth rate in freshwater drum, Aplodinotus grunniens. Environmental Biology of Fishes 98(4):993-1003.
Doll, J.C. & T.E. Lauer.2014. Comparing Bayesian and frequentist methods of fisheries models: Hierarchical catch curves. Journal of Great Lakes Research 40(Supplement 3):41-48.
Doll, J.C. & T.E. Lauer. 2014. Gill-net selectivity of Yellow Perch. Journal of Freshwater Ecology 29(2):279-288.
Jacquemin, S.J., & J.C. Doll. 2014. Body size and geographic range do not explain long term variation in fish populations: A Bayesian phylogenetic approach to testing assembly processes in stream fish assemblages. PLoS ONE 9(4): e93522. http://dx.doi.org/10.1371/journal.pone.0093522
Butler, L.R., J.C. Doll, J.L. Leet, J.L. Meyer, P. Moraga, & M.S. Sepulveda. 2013. Impacts of sewage waste water on feminization and vitellogenin expression in male fathead minnows (Pimephales promelas) from Indiana waters. Proceedings of the Indiana Academy of Science 122:1-7.
Doll, J.C. & T.E. Lauer. 2013. Bayesian estimation of age and length at 50% maturity. Transactions of the American Fisheries Society 142(4):1012-1024.
Jacquemin, S.J., & J.C. Doll. 2013. Long-term fish assemblages respond to habitat and niche breadth in the West Fork White River, Indiana. Ecology of Freshwater Fish 22(2):280-294.
Ferguson, P.J., B.J. Bernot, J.C. Doll, & T.E. Lauer. 2013. Detection of pharmaceuticals and personal care products (PPCPs) in near-shore habitats of southern Lake Michigan. Science of the Total Environment 458-460:187-196.
Forsythe, P.S., J.C. Doll, & T.E. Lauer. 2012. Abiotic and biotic correlates of yellow perch recruitment to age-2 in southern Lake Michigan, 1984-2007. Fisheries Management and Ecology 19(5):389-399
Doll, J.C. 2011. Predicting biological impairment from habitat assessments. Environmental Monitoring and Assessment 182:259-277.
Doll, J.C. 2010. Evaluation of morphology and secondary sexual characteristics of the bluntnose minnow: evidence of estrogenic compound exposure? Proceedings of the Indiana Academy of Science 119(2):130-143.
Doll, J.C. 2010. Changes in fish assemblages of Killbuck Creek and Pipe Creek, Delaware County, IN. Proceedings of the Indiana Academy of Science 119(1):52-63.
Lauer, T.E., J.C. Doll, P.J. Allen, B. Breidert, & J. Palla. 2008. Changes in yellow perch length frequencies and sex ratios following closure of the commercial fishery and reduction in sport bag limits in southern Lake Michigan. Fisheries Management and Ecology 15:39-47.
Doll, J.C., & T.E. Lauer. February 2015. Introduction to Bayesian inference and why the posterior is more interesting than p-values. Midwest Fish and Wildlife Conference, Indianapolis, Indiana.
Doll, J.C., T.E. Lauer, & S. Clark-Kolaks. February 2015. Monroe Reservoir Walleye yield-per-recruit modeling. Midwest Fish and Wildlife Conference, Indianapolis, Indiana.
Holloway, D., J.C. Doll, & S.J. Jacquemin. February 2015. Tolerance values as a method to describe fish assemblage health in the Wabash River Basin. Midwest Fish and Wildlife Conference, Indianapolis, Indiana.
Doll, J.C., T.E. Lauer, & S. Clark-Kolaks. July 2014. Indiana walleye recruitment: Evaluating predictors of stocking success. Fisheries Society of the British Isles, Hull, United Kingdom.
Doll, J.C., T.E. Lauer, & S. Clark-Kolaks. July 2014. Covariates of walleye stocking success in Indiana. North Central Division of AFS, Walleye technical committee meeting. La Crosse, Wisconsin.
Doll, J.C., & T.E. Lauer. May 2014. Comparing Bayesian and frequentist methods of fisheries models: Hierarchical catch curves. International Association for Great Lakes Research, Hamilton, Ontario.
Doll, J.C., & T.E. Lauer. February 2014. Walleye Sander vitreus in Monroe Reservoir. Indiana Chapter of the American Fisheries Society. Muncie, IN – Awarded Best Student Paper
Jacquemin, S.J., J.C. Doll, & M. Pyron. February 2014. Effects of Hydrology on Growth Rate in Large River Fishes. Indiana Chapter of the American Fisheries Society. Muncie, IN.
Doll, J.C., & T.E. Lauer. June 2013. Introduction to Bayesian Inference. International Association of Great Lakes Research – Bayesian Inference in Great Lakes Research, International Association for Great Lakes Research, West Lafayette, IN. – Awarded Best Student Paper
Doll, J.C., & T.E. Lauer. March 2013. Evaluating statistical paradigms to estimate mortality: Monroe Reservoir walleye. Indiana Chapter of the American Fisheries Society Spring Technical Conference. Lafayette, IN. – Awarded Best Student Paper
Doll, J.C., & T.E. Lauer. September 2012. Bayesian estimation of yellow perch age and length at maturity. American Fisheries Society annual meeting, St. Paul, MN.
Doll, J.C., & T.E. Lauer. February 2012. Bayesian estimation of age and length at maturity. Indiana Chapter of the American Fisheries Society Spring Technical Conference. Indianapolis, IN.
Etchison, L., J.C. Doll, & M. Pyron. December 2011. Using side scan sonar with GIS to quantify substrate in White River, Muncie, IN. Midwest Fish and Wildlife Conference, Des Moines, Iowa.
Doll, J.C. February, 2011. Models for estimating animal abundance from depletion sampling. Indiana Chapter of the American Fisheries Society Spring Technical Conference, Montgomery, IN. – Awarded Best Professional Paper
Doll, J.C. February, 2010. Predicting biological impairment from habitat. Indiana Chapter of the American Fisheries Society Spring Technical Conference, Elkhart, IN. – Awarded Best Professional Paper
Doll, J.C., A.T. Holloway, & R.C. Conrad. December 2008. Temporal variability of the fish community in response to water quality improvements in White River, 1983-2007. Midwest Fish and Wildlife Conference, Columbus, OH.
Forsythe, P., J.C. Doll, & T.E. Lauer. December 2008. Yellow perch recruitment in Lake Michigan. Midwest Fish and Wildlife Conference, Columbus, OH.
Lauer, T.E., J.C. Doll, H. Headley, & D.P. Hayes. September 2007. Density Dependant growth models for Lake Michigan yellow perch. Annual American Fisheries Society Conference, San Francisco, CA.
Doll, J.C., T.E. Lauer, H. Headley, & D.P. Hayes. February 2007. Yellow perch density dependant growth model. Indiana Chapter of the American Fisheries Society Spring Technical Conference, Angola, IN.
Membership in Professional Organizations
American Fisheries Society (AFS)
Indiana AFS 2000 – Present
Past President – 2010 – 2011
President – 2009 – 2010
President Elect – 2008 – 2009
Vice President – 2007 – 2008
Program Committee Chair –2009
Membership Committee Chair – 2008
Communications Committee Co-Chair 2005 – Present
Walleye Technical Committee 2014 – Present
Certification Committee Chair 2016 – Present
AFS 2001 – Present
AFS Computer Users Section 2006 – Present
AFS Water Quality Section 2007 – Present
International Society for Bayesian Data Analysis, 2012 - Present
Indiana Academy of Science, 2008 – Present