Entomology and Wildlife Ecology | Faculty
Chris Williams
- Post-Doctoral Fellow, Zoology, University of Wisconsin, 2001–2004
- Ph.D. Wildlife Ecology, Minor Natural Resource Policy, University of Wisconsin, 2001
- M.S. Wildlife Ecology, University of Wisconsin, 1996
- B.S. Zoology, Miami University, 1994
- B.S. Botany, Miami University, 1994
- ENWC/BISC 635 - Population Ecology, Spring
- ENWC 413/613 - Wildlife Policy and Administration, Fall
- ENWC 815 - Readings in Ecology: Waterfowl Ecology, Fall 2013
- Wildlife Population Ecology
- Animal Behavior
- Wildlife Habitat Interaction
- Waterfowl Ecology: Black Ducks, Atlantic Brant, Canada Geese
- Upland Gamebird Ecology: Northern Bobwhite
- Wildlife Policy
- Joint Faculty Appointment, Center for Energy and Environmental Policy, University of Delaware, 2011–present
- Faculty Affiliate, Quantitative Biology, Departments of Biological Sciences and Mathematical Sciences, University of Delaware, 2009–present.
- Faculty Affiliate, Center for Managed Ecosystems, University of Delaware, 2008–present.
- Faculty Affiliate, Delaware Environmental Institute, University of Delaware, 2008–present.
- Associate Editor, Journal of Wildlife Management. Emphasis on gamebirds and populations, 2009–present
- Vice President of North American Duck Symposium, Inc.
- Founder and Faculty Advisor, Ducks Unlimited - University of Delaware Chapter
- Instructor, Conservation Leaders for Tomorrow, Wildlife Management Institute, 2009-present.
- Nissley, Clark. In Progress. Assessing the impact of snow geese and cackling geese competition on breeding Atlantic brant on Southampton Island, Canada. M.S. in WIldlife Ecology.
- Ringelman, Kevin. In Progress. Influence of winter habitat quality on black duck home range and survival. Post-doctoral Researcher.
- Macaluso, Will. In Progress. Evaluation of the effectiveness of parent-reared vs. Surrogator raised northern bobwhites for reintroduction on Long Island, New York. M.S. in Wildlife Ecology. Expected 2015.
- Lewis, Susan. In Progress. Assessing the impact of ecotourisn on promoting wildlife conservation. Ph.D. in Energy and Environmental Policy. Expected 2015.
- Livolsi, Mark. In Progress. The effect of sea level rise on waterfowl use of salt-water impoundments. M.S. in Entomology and Wildlife Ecology. Expected Spring 2015.
- Rubino, Elena. In Progress. Commercialization of wildlife meat as a conservation tool of overabundant species. M.S. in Energy and Environmental Policy. Expected 2014.
- Beston, Julie. In Progress. Buildling a predictive population model for Atlantic Flyaway resident Canada geese. Post-Doctoral Researcher. Expected 2014.
- Bennett, Curtis. In Progress. A predicitive habitat model for river otters in New Jersey estuarine systems. M.S. in Wildlife Ecology. Expected 2013.
- Caldwell, Jenny. In Progress. A policy analysis of hydraulic fracturing in the Marcellus Shale and its impact on wildlife habitat. M.S. in Energy and Environmental Policy. Expected 2013.
- Ferris, Gavin. 2013. Nutrient Retention and Invasive Plant Permeability in Forested Riparian Corridors. M.S. in Wildlife Ecology.
- Ulman, Sadie. 2012. Migratory shorebird and vegetation evaluation of Chickaloon Flats, Kenai National Wildlife Refuge, Alaska. M.S. in Wildlife Ecology.
- Jones, Orrin. 2012. Constructing a 24 hour time-energy budget for American black ducks wintering in coastal New Jersey. M.S. in Wildlife Ecology.
- Heise, Jeremiah. 2012. Incorporating nocturnal activity of wintering Atlantic brant (Branta bernicla hrota) into 24 hour time-activity and daily energy expenditure models. M.S. in Wildlife Ecology.
- Guerena, Kate. 2011. Resident Canada geese nesting Ecology in New Jersey. M.S. in Wildlife Ecology.
- Brunette, Cassie. 2011. Commons and commodity paradigms: analysis of the conflicts arising from renewable energy and wildlife policies in the U.S. M.S. in Energy and Environmental Policy. (co-advised with Dr. Byrne).
- Conover, Amanda. 2011. The impact of non-native plants on bird communities in suburban forest fragments. M.S. in Wildlife Ecology.
- Duren, Ken. 2010. A predictive habitat model for northern bobwhite (Colinus virginianus) in Delaware. M.S. Wildlife Ecology.
- Ladin, Zach. 2010. Bioenergetics and food use of wintering and staging Atlantic brant. M.S. in Wildlife Ecology.
- Cramer, Dane M. 2009. Estimating habitat carrying capacity for American black ducks wintering in southern New Jersey. M.S. in Wildlife Ecology.
- Lohr, Michael. 2009. Northern bobwhite winter ecology in Southern New Jersey. M.S. in Wildlife Ecology.
- Collins, Bridget M. 2008. Northern bobwhite breeding season ecology in southern New Jersey M.S. in Applied Ecology.
Publications Generally, CKW appears last if publication is a mentored student project. H-Index = 11
2014 |
46. Guerena, K. B., P. M. Castelli, T. C. Nichols, and C. K. Williams. 2013. Spatially-explicit land use effects on nesting of Atlantic flyway resident Canada geese in New Jersey. Wildlife Biology. |
2013 |
46. Guerena, K. B., P. M. Castelli, T. C. Nichols, and C. K. Williams. 2013. Spatially-explicit land use effects on nesting of Atlantic flyway resident Canada geese in New Jersey. Wildlife Biology. 45. Brunette, C., J. Byrne, and C. K. Williams. 2013. Resolving conflicts between renewable energy and wildlife by promoting a paradigm shift from commodity to commons based policy. Journal of International Wildlife and Policy. 44. Irvin, E., K. Duren, J. Buler. W. Jones, A, Gonzon, and C. K. Williams. 2013. A multi-scale occupancy model for the grasshopper sparrow in the Mid-Atlantic. Journal of Wildlife Management 43. Williams, C. K. 2013. Accounting for wildlife life-history strategies when modeling stochastic density dependent populations: A review. Journal of Wildlife Management 77:4–11. |
2012 |
42. Williams, C. K. and R. D. Applegate. 2012. Do Resident and Non-resident Northern Bobwhite Hunters Self-Regulate their Harvest Based on Population Size? Proceedings of the National Quail Symposium. 7:000–000. 41. Williams, C. K., B. K. Sandercock, B. M. Collins, M. Lohr, and P. M. Castelli. 2012. A Mid-Atlantic and a national population model of northern bobwhite demographic sensitivity. Proceedings of the National Quail Symposium 7:000–000. 40. Williams, C. K., and P. M. Castelli. 2012. A historic perspective of the connectivity between waterfowl research and management. In Sands, J. P., S. J. DeMaso, L. A. Brennan, and M. J. Schnupp (eds). Wildlife science: Connecting Research With Management. CRC Press: Taylor Francis Group, Boca Raton, Florida, USA. 39. Guerena, K. B., P. M. Castelli, T. C. Nichols, and C. K. Williams. 2012. Evaluation of a clutch containment method during hatch in geese: using resident Canada geese as an example. Wildlife Society Bulletin 36:376–379. 38. Ferris, G., V. D'Amico, and C. K. Williams. 2012. Determining effective riparian buffer width for nonnative plant exclusion and habitat enhancement. International Journal of Ecology. Article ID 170931:1–7. 37. Duren, K., J. J. Buler, W. Jones, and C. K. Williams. 2012. Effects of broadcasting calls during surveys to estimate density and occupancy of northern bobwhite. Wildlife Society Bulletin 36:16-20. 36. Cramer, D. M., P. M. Castelli, T. Yerkes, and C. K. Williams. 2012. Food resource availability for American black ducks wintering in southern New Jersey. Journal of Wildlife Management 76: 241–219 |
2011 |
35. Jones, O., P. M. Castelli, and C. K. Williams. 2011. Observed herring gull kleptoparasitism of American black ducks. Journal of Fish and Wildlife Management 2:196–198. 34. Duren, K., J. J. Buler, W. Jones, and C. K. Williams. 2011. An improved multi-scale approach to modeling habitat occupancy of northern bobwhite. Journal of Wildlife Management 75:1700–1709. 33. Ladin, Z. S., P. M. Castelli, S. R. McWilliams, and C. K. Williams. 2011. Time energy budgets and food use of Atlantic brant across their wintering range. Journal of Wildlife Management 75:273–282. 32. Lohr, M., B. M. Collins, P. M. Castelli, C. K. Williams. 2011. Life on the edge: northern bobwhite ecology at the northern periphery of their range. Journal of Wildlife Management 75:52–60. 31. Long, B. and C. K. Williams. 2011. Mid-Atlantic Regional Issues in Bobwhite Conservation. Pages 149–155 in Palmer, W.E., T.M. Terhune, and D.F. McKenzie, eds. The National Bobwhite Conservation Initiative: A range-wide plan for recovering bobwhites. National Bobwhite Technical Committee Technical Publication, ver. 2.0 , Knoxville, TN. |
2010 |
30. Holtcamp, W. N., C. K. Williams, and W. E. Grant. 2010. Do invasive fire ants affect habitat selection within a small mammal community? International Journal of Ecology Article ID 642412:1–7 29. Colavecchio, A., and C. K. Williams. 2010. The northern bobwhite of the Mid-Atlantic: a landowners guide to their ecology and management. University of Delaware Cooperative Extension Bulletin Number 147. Newark, DE. 10pp. 28. Joppa, L. N., C. K. Williams, S. A. Temple, G. S. Casper. 2010. Environmental factors affecting sampling success of artificial cover objects. Herpetological Conservation and Biology 5:143–148 |
| 2009 | 27. Collins, B.M., C. K. Williams, and P. M. Castelli. 2009. Reproduction and microhabitat selection in a sharply declining Northern Bobwhite (Colinus virginianus) population. The Wilson Journal of Ornithology 121:688–695. |
2008 |
26. Williams, C. K., and B. M. Collins. 2008. Mortality. #649 In S. E. Jorgensen (ed.) Encyclopedia of Ecology. Elsevier Press, Oxford, England. 25. Sandercock, B. K., B. E. Jensen, C. K. Williams, R. D. Applegate. 2008. Demographic sensitivity of population change in the northern bobwhite: a life-stage simulation analysis. Journal of Wildlife Management 72:970–982. 24. Backlund, D. C., G. M. Marrone, C. K. Williams, K. Tilmon. 2008. Population estimate of the endangered American burying beetle, Nicrophorus americanus, (Coleoptera:Silphidae) in South Dakota. Coleopterists Bulletin 62:9–15. 23. Williams, C. K., M. D. Samuel, V. Baranyuk, E. Cooch, and D. Kraege. 2008. Winter fidelity and apparent survival of lesser snow goose populations in the Pacific Flyway. Journal of Wildlife Management 72:159–167. |
| 2007 | 22. Helmus, M. R., T. J. Bland, C. K. Williams, and A. R. Ives. 2007. Phylogenetic measures of biodiversity. American Naturalist 169:68–83. |
2004 |
21. Williams, C. K., A. R. Ives, R. D. Applegate, and J. Ripa. 2004. The collapse of cycles in the dynamics of North American grouse populations. Ecology Letters 7:1135–1142. 20. Williams, C. K., P. J. Rodrick-Williams, R. D. Applegate. 2004. Beliefs and characteristics of Kansas northern bobwhite hunters. Kansas Department of Wildlife and Parks Wildlife Bulletin No. 4. 19. Williams, C. K., F. H. Guthery, R. D. Applegate, M. Peterson. 2004. The northern bobwhite decline: scaling our management for the twenty-first century. Wildlife Society Bulletin 32:861–869. 18. Applegate, R. D., C. K. Williams, and R. R. Manes. 2004. Assuring the future of prairie grouse: dogmas, demagogues, and getting outside the box. Wildlife Society Bulletin 32:104–111. 17. Williams, C. K., R. S. Lutz, and R. D. Applegate. 2004. Winter survival and additive harvest in Kansas northern bobwhite coveys. Journal of Wildlife Management 68:94–100. |
2003 |
16. Williams, C. K., A. R. Ives, and R. D. Applegate. 2003. Population dynamics across geographical ranges: time-series analysis of three small game species. Ecology 84:2654–2667. 15. Williams, C. K., R. S. Lutz, and R. D. Applegate. 2003. Optimal group size in northern bobwhite coveys. Animal Behaviour 66:377–387. 14. Applegate, R. D., and C. K. Williams. 2003. Use of roadside survey for gray and fox squirrel populations and harvest. Kansas Department of Wildlife and Parks Small Game Wildlife Bulletin 3. 13. Van Why, K., B. Flock, R. D. Applegate, and C. K. Williams. 2003. Northern bobwhite (Colinus virginianus) body mass in relation to consumption of red and white grain sorghum. Kansas Department of Wildlife and Parks Small Game Wildlife Bulletin 2. |
2002 |
12. Williams, C. K., G. Ericsson, and T. Heberlein. 2002. A quantitative summary of attitudes toward wolves and their reintroduction (1972–2000). Wildlife Society Bulletin 30:575–584. 11. Applegate, R. D., C. K. Williams, and R. S. Lutz. 2002. The effect of flooding on northern bobwhite. Western North American Naturalist 62:227–229. 10. Van Why, K., C. K. Williams, R. D. Applegate, and B. E. Flock. 2002. A portable aviary for field observations of behavior. Journal of Field Ornithology 73:20–22. |
2000 |
9. Williams, C. K., W. R. Davidson, R. S. Lutz, and R. D. Applegate. 2000. Health status of northern bobwhite quail (Colinus virginianus) in eastern Kansas. Avian Diseases 44:953–956. 8. Williams, C. K., R. D. Applegate, R. S. Lutz, and D. H. Rusch. 2000. A comparison of raptor densities and habitat use in Kansas cropland and rangeland ecosystems. Journal of Raptor Research 34:203–209. 7. Williams, C. K., R. S. Lutz, R. D. Applegate, and D. H. Rusch. 2000. Habitat use and survival of northern bobwhite in Kansas cropland and rangeland ecosystems during the harvest season. Canadian Journal of Zoology 78:1562–1566. 6. Williams, C. K., K. Van Why, and R. D. Applegate. 2000. Eastern woodrat (Neotoma floridana) consumption of northern bobwhite (Colinus virginianus). American Midland Naturalist 143:239–244. |
1998 |
5. Applegate, R. D. and C. K. Williams. 1998. Long term small game trends from 30 years of Kansas rural mail carrier surveys. Transactions of the Kansas Academy of Science 101:2–3. |
1997 |
4. Williams, C. K., R. D. McKown, J. K. Veatch, & R. D. Applegate. 1997. Baylisascaris sp. found in wild northern bobwhite (Colinus virginianus). Journal of Wildlife Diseases 33:158–160. 3. Peles, J. D., C. K. Williams, G. W. Barrett. 1997. Small mammal population dynamics in strip-cropped vs. monoculture agroecosystems. Journal of Sustainable Agriculture 9:51–60. |
1995 |
2. Peles, J. D., C. K. Williams, G. W. Barrett. 1995. Ecological energetics of golden mice: the importance of food quality. American Midland Naturalist 133:373–376. |
1994 |
1. Williams, C. K., V. Witmer, M. Casey, G. W. Barrett. 1994. The effects of strip-cropping on small mammal population dynamics. The Ohio Journal of Science 94:94–98. |

