Trevor Hefley

Assistant Professor

Department of Statistics

Kansas State University

thefley@ksu.edu

Welcome to my research website! Broadly, my research focuses on developing and applying spatio-temporal statistical methods to inform conservation and management of fish and wildlife populations.

Recent News:

  • January 17, 2019: New paper published in Agriculture, Ecosystems and Environment that models the spatial distribution of Hessian flies within and between fields.
    • Schmid, R. T.J. Hefley, R. Lollato, B. McCornack. (2019) Landscape effects on Hessian fly, Mayetiola destructor (Diptera: Cecidomyiidae), distribution within six Kansas commercial wheat fields. Agriculture, Ecosystems and Environment 274:52-61. [pdf] [R code]
  • January 11, 2019: New paper accepted in Emerging Infectious Diseases that estimates minimum infections doses of African swine fever virus.
    • Niederwerder M., A. Stoian, R. Rowland, S. Dritz, V. Petrovan, L. Constance, J. Gebhardt, M. Olcha, C. Jones, J. Woodworth, Y. Fang, J. Liang, T. Hefley. (in press) Infectious dose of African swine fever virus when consumed naturally in liquid or feed. Emerging Infectious Diseases.
  • January 2, 2019: New paper accepted in Ecology that reviews and illustrates multiple approaches for combining multiple data sources when modeling species distributions.
    • Fletcher, R., T. Hefley, E. Robertson, B. Zuckerberg, R. McCleery, R. Dorazio. (in press) A practical guide for combining data to model species distributions. Ecology
  • October 1, 2018: New paper published in Phytopathology that models the spatio-temporal distribution of aphids and Barley yellow dwarf virus.
    • Enders, L.S., Hefley, T.J., Girvin, J.J., Whitworth, J.R., Smith, C.M (2018) Spatio-temporal distribution and environmental drivers of Barley yellow dwarf virus and vector abundance in Kansas. Phytopathology 108:1196-1205 [pdf]
  • August 1, 2018: New NSF funded project that uses integrated population models to examine the environmental drives of population variability in grassland birds [link]