General Ecology
David Krohne is Professor of Biology at Wabash College, where he is currently the department chair.  He has spent almost all of his 18-year teaching career there, teaching several biology courses including ecology and advanced ecology.  An active researcher, Dr. Krohne's work focuses primarily on the effects of habitat fragmentation on populations.  Recently, he has become interested in the demography and genetics of threatened and endangered prairie plants isolated in small remnant populations.  Dr. Krohne has authored scientific papers for many journals, including the Canadian Journal of Zoology and Oecologia, and he also writes a syndicated newspaper column on current developments in science called "The Science Notebook."