Dr. Roland Roth Professor Emeritus Wildlife Ecology 274 Beverly Rd. Newark, DE 19711 302-369-4089 E-mail: rroth@udel.edu

Education

• Ph.D. 1971 Zoology (Ecology) University of Illinois
• M.S. 1967 Zoology University of Illinois
• B.S. 1965 Zoology University of Arkansas

Research Interests 

• Avian Ecology, particularly breeding season ecology of birds in forest fragments.   Most time since 1974 spent on long-term demographic study of a color-banded wood thrush population in a suburban forest fragment.

Current Graduate Students

• Kitt Heckscher        http://copland.udel.edu/~kitth/

Representative Publications

• Roth, R. and R. K. Johnson. 1993. Long-term dynamics of a Wood Thrush population breeding in a forest fragment. Auk 110: 37-48.  
• Weinberg, H. and R. Roth. 1994. Rectrix shape as an indicator of age in the Wood Thrush. J. Field Ornithol. 65: 115-121. 
• Roth, R.,  M. Johnson, and T. Underwood. 1996. Wood Thrush. In The Birds of North America, No. 246. (A. Poole and F. Gill, eds. Acad. Nat. Sciences and Amer. Ornithologists' Union. 26 pp.  
• Weinberg H. and R. Roth. 1998.  Forest area and habitat quality for nesting Wood Thrushes. Auk 115: 879-889.  
• Brown, W.P. and R. Roth.  2002.  Temporal patterns of fitness and survival in the Wood Thrush. Ecology 83:958-969. 
• Underwood, R.M., R.J. Crockett, R. Roth, C.L. Keeler, Jr., and M.S. Parcells.  2002.  A comparison of flow cytometry and the polymerase chain reaction as sexing techniques for the Wood Thrush.  J. Field Ornithology 73:239-245. 
• Underwood, T.J. and R. Roth.  2002.  Demographic variables are poor indicators of Wood Thrush productivity.  Condor 104:92-102.
• Perkins, K.A., R. Roth, J. L. Bowman, and J. Green. 2004. Flushing, capture, and bleeding do not affect return rate of female Wood Thrushes ( Hylocichla mustelina ) in Delaware . Auk 121: 354-360.
• Brown, W.P. and R.R. Roth. 2004. Juvenile survival and recruitment of Wood Thrushes (Hylocichla mustelina) in a forest fragment. J. Avian Biology 35: 316-326
• Brown, W. P. Eggermont, V. LaRiccia, and R. R. Roth. 2007. Are parametric models suitable for estimating avian growth rates? J. Avian Biology. 38: 495-506

Past Graduate Students

• Bartlett, Charles. 1991. Factors affecting predation rates on artificial nests in forest fragments. M.S. Entomology (Assistant Professor, Entomology, U. Delaware)  
• Johnson, Mark. 1994. The effects of age and habitat on the reproductive performance of Wood Thrushes. M.S. Entomology  (Ph. D., Environmental toxiciology, Va. Tech; Toxicological and Risk Assessment, U.S. Army, Aberdeen, MD)  
• Weinberg, Howard. 1994. Impact of forest size and landscape urbanization on a Neotropical migrant, the Wood Thrush.  M.S. Entomology  ( US Customs Agriculture Specialist, Duluth, MN )  
• Underwood, Todd. 1996.  Estimating Wood Thrush productivity with demographic and constant-effort mist netting data. M.S. Entomology & Applied Ecology (Ph.D. Zoology, U. Manitoba; Asst. Professor, Biology, Kutztown U, PA)
• Brown, William. 1999.  Annual and lifetime reproductive success of the Wood Thrush in a forest fragment. M.S. Entomology & Applied Ecology (Ph.D., Ent. & Applied Ecology, U. of Delaware; Lecturer, Kutztown U., PA)  
• Slotterback, John. 1999. Nest location parameters and risk of predation in Wood Thrushes. M.S. Entomology & Applied Ecology (School teacher)
• Jason Johnston. 2002. When Should Birds Desert Nests?  A  Manipulative Study of House Sparrows. M.S. Entomology & Applied Ecology (Ph. D., Biology, U.. Maine; Asst. Prof. Wildl. Ecology, U. Maine, Presque Isle)
• Christopher Heckscher. 2003 . Veery nest sites in a Middle-Atlantic Piedmont forest: vegetative physiognomy and use of alien shrub species . M.S. Entomology & Applied Ecology. ( Zoologist
  Del. Natural Heritage Program, Del. Division of Fish & Wildlife).
• Jared Judy. 2005. Correlates and possible causes of fluctuations in a local Wood Thrush population . M.S. Entomology & Applied Ecology ( Preserve Manager, Texas City Prairie Preserve, TX)
• Roland Wall. 2007. Ecological conditions of stormwater retention ponds. M.S. Entomology & Applied Ecology ( Director of Environmental Policy , Environmental Associates,The Academy of Natural Sciences, Philadelphia)