John Rowe

My interests in biology span from morphology to physiology and ecology.  Of particular and long-running interest has been the spatial ecology of freshwater turtles.  Foll


Professor & Chair of Biology



Educational Background

  • Ph.D., Ecology and Evolutionary Biology, University of Nebraska-Lincoln (1992)
  • M.S., Zoology, Eastern Illinois University (1987)
  • B.S.. Biology, Central Michigan University (1985)



My career at Alma began in


Recent publications:

Rowe, J.W. and C.L. Grace. 2010. A comparison of surface-mounted and body-implanted radio transmitters with implications for thermoregulation in free- ranging Midland Painted Turtles, Chrysemys picta marginata. Herpetological Review: 41:423–427.

Rowe, J.W. and S.F. Dalgarn. 2010. Home range size and daily movements of Midland Painted Turtles (Chrysemys picta marginata) in relation to body size, sex, and weather patterns. Conservation and Biology 5:461–473.

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.

Rowe, J.W., J.R. Gradel, and C.F. Bunce.  2013. Effects of weather conditions and drought on activity of Spotted Turtles (Clemmys guttata) in a southwestern Michigan wetland. American Midland Naturalist: 169:97–110.

Rowe, J.W., J.R. Gradel, C.F. Bunce, and D.L. Clark. 2013. Sexual dimorphism in size and shell shape, and dichromatism of Spotted Turtles (Clemmys guttata) in Southwestern Michigan. Amphibia-Reptilia: 33: 443-450

Rowe, J.W., D.L. Clark, J.R. Gradel, and C.F. Bunce. 2013. Body Size and Sex Ratio in a Population of Spotted Turtles (Clemmys guttata) in Southwestern Michigan. Herpetological Review 44: 45–49.

Rowe, J.W., D.L. Clark, D.M. Shaw, and L.W. Wittle.  2013. Histological basis of substrate color-induced melanization and reversal of melanization in Painted Turtles (Chrysemys picta marginata). Chelonian Conservation and Biology12:246-251.

Rowe, J.W., P.E. Converse, and D.L. Clark. 2014. Daily and annual patterns of thermoregulation in painted turtles (Chrysemys picta marginata) living in a thermally variable marsh in Northern Michigan.  Journal of Thermal Biology 40: 919.

Rowe, J.W., D.L. Clark, and C.F. Bunce.  2014. Spectral reflectance and substrate color-induced melanization in adult Painted Turtles (Chrysemys picta marginata).  Amphibia-Reptilia 35: 149-159.

Rowe, J.W., B.J. Miller, M.A. Stuart, C. Snyder, J.K. Tucker, D.L. Clark, L.W. Wittle, and J.T. Lamer. 2014. Substrate color-induced melanization in eight turtle species from four Chelonian groups. Zoology 111:245-252.

Recent presentations:

2010    Invited Speaker, Chippewa Watershed Conservancy, Mt. Pleasant, Michigan Michigan Turtles.

2011    Histological basis of substrate color-induced melanization and reversal of melanization in Midland Painted Turtles (Chrysemys picta marginata). Annual Joint Meetings of the Herpetologists League, Society for the Study of Reptiles and Amphibians, and American Society of Ichthyologists and Herpetologists. Minneapolis, Minnesota. Poster Presentation.

2014    Spatial Ecology, Thermal Biology and Crypsis in Freshwater Turtles. Invited speaker, Delta College Seminar Series, 21 February.

2014    Thermal ecology of painted turtles living in a central Michigan farm pond.   Michigan Academy of Science, Arts and Letters.  28 February.