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Faculty Profile
Mariann Johnston

Mariann  Johnston

Professor and Director of Ranger School

Orange horizontal rule

Wanakena Campus


Highest Education

Ph.D., University of Idaho (Forest Nutrition), 2003

Areas of Study

  • Nutritent Ecology of Beech and Beech Bark Disease
  • Forest Health and Nutrition
  • Forest Fertilization
  • Forest Soils & Ecology
  • Forest Management

Courses Taught

  • FTC 206 — Forest Ecology
  • FTC 217 — Wildland Firefighting and Ecology
  • FTC 221 — Natural Resources Management
  • FTC 237 — Introduction to Water and Soil Resources
  • FTC 238 — Forest Insects and Disease

Certifications and Awards

  • SUNY-ESF Special Recognition Award, for Positively Influencing the Experience of a 2013 Graduate
  • 2012 New York Society of American Foresters Chair's Commendation
  • Certified Forester (SAF) since 2004
  • Inland Empire SAF Communicator of the Year, 2004

Professional and Community Service

  • Cub Committee Chair, Clifton-Fine Cub Scout Pack 28, 2013-2014
  • Chair, New York Society of American Foresters, 2013-2014
  • Chair-Elect, New York Society of American Foreters, 2011-2012
  • Society of American Foresters, Member since 1986
  • Ecological Society of America, Member since 2009
  • Soil Science Society of America, Member since 2009
  • Website Administrator, New England Society of American Foresters, 2006-2008
  • Executive Councilor, Inland Empire Society of American Foresters, 2003-2004
  • Secretary, Palouse-Snake River Chapter Society of American Foresters, 2003-2004
  • Ossipee Co-op Preschool Board of Directors, Ossipee, New Hampshire, 2005-2008
  • Town Planning and Zoning Commission, Potlatch, Idaho, 1996-2004


Selected Publications

Cale, J.A., Ashby, A.W., West, J.L., Teale, S.A., Johnston, M.T., and Castello, J.D., 2014. Scale insects, decay and canker fungi in American beech. Forest Pathology (in press).

Kimsey, M.J. Jr., Mariann T. Garrison-Johnston and Leonard R. Johnson, 2010. Characterization of volcanic ash-influenced forest soils across a geoclimatic sequence. Soil Science Society of American Journal In Press.

Garrison-Johnston, Mariann T., Peter G. Mika, Dan L. Miller, Phil Cannon and Leonard R. Johnson, 2007. Ash Cap Influences on Site Productivity and Fertilizer Response in Forests of the Inland Northwest. IN: Page-Dumroese, D., R. Miller, J. Mital, P. McDaniel and D. Miller, tech. eds. 2007. Volcanic-Ash-Derived Forest Soils of the Inland Northwest; Properties and Implications for Management and Restoration. November 9-10, 2005, Coeur d’Alene, ID. Proceedings RMRS-P-44; Ft. Collins, CO: US Department of Agriculture, Forest Service, Rocky Mountain Experiment Station.

Garrison-Johnston, Mariann, Terry Shaw, Peter Mika and Leonard R. Johnson, 2005. Management of ponderosa pine nutrition through fertilization. IN: Martin W. Ritchie, Douglas A. Maguire, Andrew Youngblood (technical coordinators). Proceedings of the Symposium on Ponderosa Pine: Issues, Trends, and Management. 2004 October 18-21 Klamath Falls, OR. Forest Service Gen. Tech. Rep. PSW-GTR-198.  Albany CA: US Department of Agriculture, Forest Service, Pacific Southwest Research Station.

Moore, J.A., P.G. Mika, T.M. Shaw, and M.T. Garrison-Johnston, 2004. Foliar nutrient characteristics of four conifer species in the interior northwest, USA. Western Journal of Applied Forestry, 19(1):13-24.

Garrison-Johnston, M.T., 2003. Development of nutrient status in forest soils, pp. 58-62 in Stone, J. and Maffei, H. (Eds): Proceedings of the Fiftieth Western International Forest Disease Work Conference, October 7-11, 2002, Coast Town Centre Hotel, Powell River, BC, USDA Forest Service, Central Oregon Forest Insect and disease Service Center, Bend, OR.

Garrison-Johnston, M.T., J.A. Moore, S.P. Cook and G.J. Niehoff, 2003. Douglas-fir beetle infestations are associated with certain rock and stand types in the inland northwestern United States. Environmental Entomology, 32(6):1354-1363.

Garrison, M.T., J.A. Moore, T.M. Shaw and P.G. Mika, 2000. Foliar nutrient and tree growth response of mixed-conifer stands to three fertilization treatments in northeast Oregon and north central Washington. Forest Ecology and Management 132: 183-198.