Contributed Papers

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  1. 2017 – Biology of Snake Conference, Rodeo, New Mexico.. Spatial ecology of the Timber Rattlesnake (Crotalus horridus) from the mid-Atlantic coastal plain. Co-authored with C. E. Petersen, S. M. Goetz, J. D. Kleopfer, and A. H. Savitzky.
  2. 2017 – Biology of Snake Conference, Rodeo, New Mexico.. Detection probability and capture yield of an imperiled species. Co-authored with J. A. Crawford, S. J. Baker, W. E. Peterman, and C. A. Phillips.
  3. 2017 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. Austin, Texas.. Factors affecting the movements of Timber Rattlesnakes (Crotalus horridus) from the mid-Atlantic coastal plain. Co-authored with C. E. Petersen, S. M. Goetz, J. D. Kleopfer, and A. H. Savitzky.
  4. 2016 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. New Orleans, Louisiana.. Factors affecting the detection probability and capture yield of an imperiled species. Co-authored with J. A. Crawford, S. J. Baker, W. E. Peterman, and C. A. Phillips.
  5. 2016 -76th Midwest Fish and Wildlife Conference, Grand Rapids, Michigan. Factors affecting the detection probability and capture yield of an imperiled species. Co-authored with J. A. Crawford, S. J. Baker, W. E. Peterman, and C. A. Phillips.
  6. 2014 – Biology of the Pitvipers 2, Symposium, Tulsa, Oklahoma. Life in a mosaic: survival and reproduction of an Eastern Massasauga population (Sistrurus catenatus) isolated within an agricultural landscape. Co-authored with M. A. Davis, S. J. Wylie, and C. A. Phillips.
  7. 2011 – 71st Midwest Fish and Wildlife Conference, Minneapolis, Minnesota. Population dynamics of the Eastern Massasauga from a 12–year study.
  8. 2006 – 67th Midwest Fish and Wildlife Conference, Omaha, Nebraska. Demography and viability of the Eastern Massasauga (Sistrurus catenatus) in Illinois. Co–authored with S. J. Baker and C. A. Phillips.
  9. Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. New Orleans, Louisiana. Demography and viability of the Eastern Massasauga rattlesnake (Sistrurus catenatus) at Carlyle Lake. Co–authored with C. A. Phillips, D. B. Shepard, and B. C. Jellen.
  10. 2005 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. Tampa, Florida. Demographic trends of the River Cooter (Pseudemys concinna) over a decade of monitoring. Co–authored with A. R. Kuhns and C. A. Phillips.
  11. 2004 – 65th Annual Midwest Fish and Wildlife Conference, Indianapolis Indiana. Spatial ecology of the Eastern Massasauga from the southern range limit. Co–authored with C. A. Phillips and D. B. Shepard.
  12. 2004 – 31st Natural Areas Conference, Chicago, Illinois. Home range and movement of the Eastern Massasauga from the Carlyle Lake region. Co–authored with C. A. Phillips and D. B. Shepard.
  13. 2004 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League, University of Oklahoma, Norman, Oklahoma. Growth and sexual size dimorphism of the Eastern Massasauga (Sistrurus c. catenatus) from its southern range limit. Co–authored with C. A. Phillips, D. B. Shepard, and B. C. Jellen.
  14. 2004 – 4th Snake Ecology Group Meeting, Touch of Nature Environmental Center, Carbondale, Illinois. Seasonality in the movement patterns of a North American viper (Sistrurus c. catenatus). Co–authored with D. B. Shepard, C. A. Phillips, and B. C. Jellen.
  15. 2002 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. Kansas City, Missouri . Thermal and behavioral relationships of the Eastern Massasauga rattlesnake (Sistrurus c. catenatus). Co–authored with: C. A. Phillips, B. C. Jellen, and D. B. Shepard.
  16. 2001 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. Indianapolis, Indiana . Microhabitat characteristics of the Eastern Massasauga Rattlesnake, Sistrurus catenatus catenatus, at the Southern Range Limit. Co–authored with: C. A. Phillips, D. B. Shepard, and B. C. Jellen.
  17. 2001 – Illinois State Academy of Sciences. Macomb, Illinois. Home range and movement in the Eastern Massasauga rattlesnake, Sistrurus catenatus catenatus. Co–authored with: C. A. Phillips, D. B. Shepard, and B. C. Jellen.
  18. 2001 – Illinois State Academy of Sciences. Macomb, Illinois. Microhabitat characteristics of the Eastern Massasauga Rattlesnake, Sistrurus catenatus catenatus, at the Southern Range Limit. Co–authored with: C. A. Phillips, B. C. Jellen, and D. B. Shepard.
  19. 2000 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. La Paz, Mexico. Application of population estimation to pond breeding salamanders. Co–authored with: C. A. Phillips, J. A. Johnson, and J. E. Petzing.
  20. 1999 – Illinois Chapter of the Wildlife Society. Allerton Park, Illinois. Geographic comparisons of Illinois chelonian communities.
  21. 1998 – 18th Annual Midwest Ecology and Evolution Conference, Charleston, Illinois. Dietary notes on the Red–Eared Slider (Trachemys scripta) and River Cooter (Pseudemys concinna) from Southern Illinois.
  22. 1998 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. Guelph, Ontario. Modeling organismal growth in turtle populations: assumption validation and practicality. Co–authored with L. P. Comerford.
  23. 1997 – Illinois Chapter of the Wildlife Society, Collinsville, Illinois. Ecology of the River Cooter, Pseudemys concinna, from a southern Illinois flood–plain lake.
  24. 1997 – Joint Meeting of American Society of Ichthyologists and Herpetologists, Society for the Study of Amphibians and Reptiles, and Herpetologists’ League. Seattle, Washington. Geographic comparisons of Illinois chelonian communities. Co–authored with E. O. Moll.
  25. 1996 – Society for the Study of Amphibians and Reptiles, Lawrence, Kansas Some aspects of River Cooter, Pseudemys concinna, ecology from a southern Illinois backwater.