I. Education

Ph.D. (2003) - Ecology, University of Alaska, Fairbanks, U.S.A. (Supervisor: Dr. F. Stuart Chapin, III)

M.Sc. (1995) - Biogeography, University of British Columbia, Vancouver, B.C., Canada. (Supervisor: Dr. Greg Henry)

B.A. (1992) - Northern Studies, Middlebury College, Middlebury, Vermont, U.S.A.

II. List of Publications

• Johnstone, J.F. and Kokel, S.V. (2007) Environmental conditions and vegetation recovery at abandoned-drilling mud sumps in the Mackenzie Delta region, NWT, Canada. Arctic 61: 199-211.
• Kasischke, E.S., Bourgeau-Chavez, L., and Johnstone, J. F. (2007) Assessing spatial and temporal variations in surface soil moisture in fire-disturbed black spruce forests in Interior Alaska using spaceborne synthetic aperture radar imagery - implications for post-fire tree recruitment. Remote Sensing of Environment 108: 42-58.
• Johnstone, J.F. (2006) Response of boreal plant communities to variations in previous fire-free interval. International Journal of Wildland Fire 15:497-508.
• Johnstone, J. and F.S. Chapin, III (2006) Fire interval effects on successional trajectory in boreal forests of Northwest Canada. Ecosystems 9: 268-277
• Johnstone, J.F. and Chapin, F.S., III. (2006) Effects of soil burn severity on patterns of post-fire tree recruitment in boreal forests. Ecosystems 9: 14-31.
• Chapin, F.S., III, Robards, M., Huntington, H.P., Johnstone, J.F., Trainor, S.F., Kofinas, G.P., Ruess, R.W., Fresco, N., Natcher, D., and Naylor, R.L. (2006) Directional changes in ecological communities and social-ecological systems: A framework for prediction based on Alaskan examples. American Naturalist 168:S36-S49.
• Johnstone, J.F. and Kasischke, E.S. (2005) Stand-level effects of soil burn severity on post-fire regeneration in a recently-burned black spruce forest. Canadian Journal of Forest Research 35:2151-2163.
• Kasischke, E.S. and Johnstone, J.F. (2005) Variation in ground layer surface fuel consumption and its effects on site characteristics in a black spruce forest complex in interior Alaska. Canadian Journal of Forest Research 35: 2164-2177.
• Johnstone, J.F. (2005) Effects of aspen (Populus tremuloides) removal on post-fire establishment and growth of conifer seedlings in central Alaska. Canadian Journal of Forest Research 35: 483-486.
• Bergner, B., Johnstone, J.F. and Treseder, K.K. (2004) Experimental warming and burn severity alter soil CO2 flux and soil functional groups in a recently burned boreal forest. Global Change Biology 10: 1996-2004.
• Johnstone, J.F., Chapin, F.S., III, Foote, J., Kemmet, S., Price, K., and Viereck, L. (2004) Decadal observations of tree regeneration following fire in boreal forests. Canadian Journal of Forest Research 34: 267-273.
• Chapin, F.S.,III, Callaghan, T. V., Bergeron, Y., Fukuda, M., Johnstone, J.F., Juday, G., and Zimov, S.A. (2004) Global change and the boreal forest: Thresholds, shifting states or gradual change? Ambio 33(6): 361-365.
• Johnstone, J. and F.S. Chapin, III (2003). Non-equilibrium succession dynamics indicate continued northern migration of lodgepole pine. Global Change Biology.
• Johnstone, J., D.E. Russell and B. Griffith (2002). Variations in plant forage quality in the range of the Porcupine Caribou Herd. Rangifer 22(1): 65-74.
• Bret-Harte, M.S, G.R. Shaver, J.P. Zoerner, J.F. Johnstone, J.L. Wagner, A.S. Chavez, R.F. Gunkelman, IV, S.C. Lippert, and J.A. Laundre (2001). Developmental plasticity allows Betula nana to dominate tundra subjected to an altered environment. Ecology, 82(1): 18-32.
• Shaver, G.R., M.S. Bret-Harte, M.H. Jones, J. Johnstone, L. Gough, J. Laundre, and F.S. Chapin, III (2001). Species composition interacts with fertilizer to control long-term change in tundra productivity. Ecology, 82(11): 3163-3181.
• Johnstone, J. and G.H.R. Henry (1997). Retrospective analysis of growth and reproduction of Cassiope tetragona and relations to climate in the Canadian High Arctic. Arctic and Alpine Research 29(4): 459-469.
• Marion, G.M., G.H.R. Henry, D.W. Freckman, J. Johnstone, G. Jones, M.H. Jones, E. Levesque, U. Molau, P. Mølgaard, A.N. Parsons, J. Svoboda and R.A. Virginia (1997). Open-top designs for manipulating field temperature in high-latitude ecosystems. Global Change Biology 3 (Suppl. 1): 10-22.

III. Professional Experience:

• Assistant Professor, Plant Ecology, Department of Biology, University of Saskatchewan (2006-current).
• Research associate, University of Alaska Fairbanks (2005-present). Adjuct research faculty at the Institute of Arctic Biology.
• NSERC Post-doctoral Research Fellow, Geography and Environmental Science, Carleton University, Ottawa (2003 - 2006). In residence at Yukon College, Whitehorse, Yukon (Supervisor: Dr. Chris Burn).
• Sessional instructor, Division of Arts and Science, Yukon College (fall 2004, spring 2006).
• Environmental Consultant, Cassiopeia Research Services, Whitehorse, Yukon (1996 - 1999): Self-employed consultant performing contract work for Canadian Wildlife Service, University of Alaska Fairbanks, Yukon Territorial Government Renewable Resources, and Indian and Northern Affairs Canada.

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