Dr. David Steen joined the Wildlife Ecotoxicology and Physiological Ecology Program as a Post-doctoral Research Associate in 2012. While at Virginia Tech, David coordinated research determining the long-term ecological consequences of the 2008 Kingston, Tennessee coal-ash spill. Specifically, David studied the effects of trace-element accumulation in freshwater turtles.

David’s primary research interests include the conservation biology and landscape ecology of wildlife. He is particularly interested in identifying the impacts of anthropogenic land-use on wildlife populations and in generating research useful for land managers that wish to ensure the persistence of natural wildlife assemblages.

David received his B.S. in Zoology from the University of New Hampshire (2001) and his M.S. in Ecology and Conservation Biology from the State University of New York College of Environmental Science and Forestry (SUNY-ESF; 2003). While at SUNY-ESF, David initiated a long-term and ongoing collaboration with his advisor, Dr. James Gibbs, to determine how North American freshwater turtle populations have been negatively impacted by road mortality. After working for three years as Lead Research Technician in the Herpetology lab of the Joseph W. Jones Ecological Research Center at Ichauway, David began his dissertation work at Auburn University, co-advised by Drs. Craig Guyer (Auburn University) and Lora Smith (Jones Center).  His dissertation, completed in 2011, described the long-term response of wildlife to varied longleaf pine management strategies. This work resulted in recommendations regarding how to restore wildlife assemblages that are highly-associated with the imperiled longleaf-pine ecosystem.

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David is currently a Assistant Research Professor at Auburn University.

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REPRESENTATIVE PUBLICATIONS

Steen, D. A., et al. 2014. Informing management of endemic habitat specialists: multiscale habitat selection of the Red Hills Salamander. Journal of Wildlife Management 78:463-470.

Steen, D. A., C. J. W. McClure, J. C. Brock, D. C. Rudolph, J. B. Pierce, J. R. Lee, W. J. Humphries, B. B. Gregory, W. B. Sutton, L. L. Smith, D. L. Baxley, D. J. Stevenson, and C. Guyer. 2014. Snake co-occurrence patterns are best explained by habitat and hypothesized effects of interspecific interactions. Journal of Animal Ecology 83:286-295.

Steen, D. A., L. M. Conner, L. L. Smith, L. Provencher, J. K. Hiers, S. Pokswinski, B. Helms, and C. Guyer. 2013. Bird assemblage response to restoration of fire-suppressed longleaf pine sandhills. Ecological Applications 23:134-147.

Steen, D. A., L. L. Smith, L. M. Conner, A. R. Litt, L. Provencher, J. K. Hiers, S. Pokswinski, and C. Guyer. 2013. Reptile assemblage response to restoration of fire-suppressed longleaf pine sandhills. Ecological Applications23:148-158.

Smith, L. L., D. A. Steen, L. M. Conner, and J. C. Rutledge. 2012. Effects of predator exclusion on nest and hatchling survival in the gopher tortoise. Journal of Wildlife Management 77:352-358.

Steen, D. A., C. J. W. McClure, J. C. Brock, D. C. Rudolph, J. B. Pierce, J. R. Lee, W. J. Humphries, B. B. Gregory, W. B. Sutton, L. L. Smith, D. L. Baxley, D. J. Stevenson, and C. Guyer. 2012. Landscape-level influences of terrestrial snake occupancy within the southeastern United States. Ecological Applications 22:1084-1097.

Steen D. A., J. P. Gibbs, K. A. Buhlmann, J. L. Carr, B. W. Compton, J. D. Congdon, J. S. Doody, J. C. Godwin, K. L. Holcomb, D. R. Jackson, F. J. Janzen, G. Johnson, M. T. Jones, J.T. Lamer, T. A. Langen, M. V. Plummer, J. W. Rowe, R. A. Saumure, J. K. Tucker, and D. S. Wilson. 2012. Terrestrial habitat requirements of nesting freshwater turtles. Biological Conservation 150:121-128.

Steen, D. A., J. P. Gibbs and S. T. A. Timmermans. 2006. Assessing the sensitivity of waterbird communities to hydrologic change in the eastern Great Lakes region. Wetlands 26:605-611.

Gibbs, J. P. and D. A. Steen. 2005. Trends in sex ratios of turtles in the United States: implications of road mortality. Conservation Biology 19:552-556.

Steen, D. A. and J. P. Gibbs. 2004. Effects of roads on the structure of freshwater turtle populations. Conservation Biology 18:1143-1148