Population ecology, resource selection, animal behavior, conservation genetics, predator-prey relationships, wildlife-human conflicts, endangered species conservation, large mammal ecology and management.
Wolfe, L. L., H. E. Johnson, M. C. Fisher, M. A. Sirochman, B. Kraft, and M. W. Miller. Evaluation of an acepromazine and medetomidine combination (AcMe) for immobilization of Rocky Mountain elk and black bears. In Press: Journal of Wildlife Diseases.
Johnson, H. E., J. W. Fischer, M. Hammond, P. D. Dorsey, W. D. Walter, C. Anderson, K. C. VerCauteren. 2014. Evaluation of techniques to reduce deer and elk damage to agricultural resources. Wildlife Society Bulletin 38:358-365.
Mills, L.S., and H.E. Johnson. Wildlife Population Dynamics. 2013. Pages 84-111 in P. R. Krausman, and J. W. Cain III, editors. Wildlife management and conservation: contemporary principles and practices. John Hopkins University Press. Baltimore, Maryland, USA.
Johnson, H.E., M. Hebblewhite, T.R. Stephenson, and D. German. 2013. Evaluating apparent competition in limiting the recovery of an endangered ungulate. Oecologica 171:295-307.
Brodie, J., H. Johnson, M. Mitchell, P. Zager, K. Proffitt, M. Hebblewhite, M. Kauffman, B. Johnson, J. Bissonette, C. Bishop, J. Gude, K. Hersey, M. Hurley, P. Lukacs, S. McCorquodale, E. McIntire, J. Nowak, D. Smith, and P.J. White. 2013. Relative influence of human harvest, carnivores, and weather on adult female elk survival across western North America. Journal of Applied Ecology: 50:295-305.
Johnson, H.E., L.S. Mills, J.D. Wehausen, T.R. Stephenson, and G. Luikart. 2011. Translating effects of inbreeding depression on component vital rates to overall population growth in endangered bighorn sheep. Conservation Biology 25:1240-1249.
Cahn, M.L., M.M. Conner, O.J. Schmitz, M.W. Miller, T.R. Stephenson, H.E. Johnson, and J.D. Wehausen. 2011. Disease, population viability, and recovery of endangered Sierra Nevada bighorn sheep. Journal of Wildlife Management 75:1753-1766.
Johnson, H.E., L.S. Mills, J. Wehausen, and T.R. Stephenson. 2010. Population-specific vital rate contributions influence management of an endangered ungulate. Ecological Applications 20:1753-1765.
Johnson, H.E., L.S. Mills, J. Wehausen, and T.R. Stephenson. 2010. Combining ground count, telemetry, and mark-resight data to infer population dynamics in an endangered species. Journal of Applied Ecology 47:1083-1093.
Bleich, V.C., H.E. Johnson, S.A. Holl, L. Konde, S.G. Torres, and P.R. Krausman. 2008. Fire history in a chaparral ecosystem: implications for conservation of a native ungulate. Rangeland Ecology and Management 61:571-579.