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Invited Talks: (selected recent)

Factors influencing understory plant communities in the mixedwood boreal forest: the fire – conifer connection. University of Joensuu, Joensuu Finland, November 14, 2006. (Also given at University of Helsinki as a volunteer seminar; November 13).

Effects of variable retention post-fire salvage logging on songbirds, woodpeckers, beetles and vegetation. Oral presentation to the Canadian Institute of Forestry (Rocky Mountain Session) Technical Session. February 24, 2006, Edmonton, AB.

Les facteurs contrôlant la diversité et la composition du sous-bois dans la forêt boréale mélange de l’ouest canadien: une leçon provenant des paysage naturels et aménagés. Université du Québec en Abitibi-Témiscamingue. Videoconference linked to four other institutions in the Université du Québec system. March 23, 2005.

Composition and biodiversity of the understory plant community in the mixedwood boreal forest. Université Laval. February 3, 2005.

Keystone processes in boreal mixedwood regeneration and succession. Umeå University, Umeå, Sweden. May 2004.

Conference Presentations (selected recent):

Understory plant communities in the boreal mixedwood: Pattern and process in natural and managed stands. Purdue University, West Lafayette, IN. April 15, 2008.

Griffiths, S., P. Comeau, and S.E. Macdonald. 2007. Response of understory vegetation to pre-commercial thnning in boreal mixedwood forests. North American Forest Ecology Workshop. June 18 – 20, 2007; Vancouver B.C. Oral presentation

Close, E., B. Purdy, S.E. Macdonald and S. Chang. 2007. Growth and nutritional status of aspen and white spruce on naturally saline sites in the boreal forest. North American Forest Ecology Workshop. June 18 – 20, 2007; Vancouver B.C. Oral presentation

Caners, R., S.E. Macdonald, and R. Belland. 2007. Regulation of bryophyte diaspore bank composition in mixedwood boreal forests. North American Forest Ecology Workshop. June 18 – 20, 2007; Vancouver B.C. Oral presentation

Craig, A., and S.E. Macdonald. 2007. Effects of varying intensities of green tree retention harvesting on understory plant communities in the boreal mixedwood forest. North American Forest Ecology Workshop. June 18 – 20, 2007; Vancouver B.C. Poster presentation

Lypowy, J. and S.E. Macdonald. 2007. The effect of forest fire on understory composition and structure: A comparison of pre- and post-fire vegetation in boreal mixedwood forests and examination of factors limiting post-fire regeneration. North American Forest Ecology Workshop. June 18 – 20, 2007; Vancouver B.C. Poster presentation

Curran, I.E., V.J. Lieffers, and S.E. Macdonald. 2007. Natural regeneration of white spruce following mast years. North American Forest Ecology Workshop. June 18 – 20, 2007; Vancouver B.C. Poster presentation

Martin-DeMoor, J., V.J. Lieffers, and S.E. Macdonald. 2007. Do we always need to plant to regenerate white spruce in boreal mixedwood forests? North American Forest Ecology Workshop. June 18 – 20, 2007; Vancouver B.C. Poster presentation

Macdonald, S. E. K.A. Harper, Y. Bergeron. 2007. Comparison of edge influence on vegetation structure and composition at fire-, clearcut-, and partial-cut edges in the mixedwood boreal forest. 6th International Conference on Disturbance Dynamics in Boreal Forests. Fairbanks, Alaska, May 30 – June 2, 2007.

Peters, V.S., S.E. Macdonald, and M.R.T. Dale. 2006. Patterns of initial versus delayed regeneration of white spruce in boreal mixedwood succession. Ecological Society of America 91st Annual Meeting, Aug. 6 – 11, 2006. Memphis, Tennessee, USA. Oral presentation.

Chávez, V. and S.E. Macdonald. 2006. Spatial patterns of understory plant diversity in the mixed-wood boreal forest of Alberta. Ecological Society of America 91st Annual Meeting, Aug. 6 – 11, 2006. Memphis, Tennessee, USA. Oral presentation.

Close, E.B., B.G Purdy, S.E. Macdonald, and S.X. Chang. 2006. Soil Characteristics of Naturally Saline Toposequences in the Boreal Forest. CGU-CSSS Scientific meeting, May 14-17, 2006, Banff, AB. Poster presentation

Caners, R., S.E. Macdonald, and R. Belland. 2006. Factors influencing the composition of bryophyte diaspore banks in northern mixedwood boreal forests. “Sustaining Canada's forests: building momentum”, Sustainable Forest Management Network 4th International Conference, June 20-22, 2006, Edmonton, Alberta, Canada. Poster presentation.

Shepherd, L.K., Schmiegelow, F.K.A. and S.E. Macdonald. 2006. Managing fire for caribou and lichen in Jasper and Banff National Parks. 11th North American Caribou Workshop:  Managing Caribou populations at risk. April 23-27, 2006, Jasper, Alberta, Canada.

Macdonald, S.E. 2005. Understory plant composition and diversity as indicators of ecological condition in partially-harvested boreal forests. 90th Annual Meeting of the Ecological Society of America /9th International Congress of Ecology (INTECOL). August 7-12, 2005, Montreal, Canada. Oral presentation

Macdonald, S.E. 2005. Use of partial harvesting and landscape planning to manage for fire-dependent plant communities during post-fire salvage logging. 5th North American Forest Ecology Workshop. June 12-16, 2005. Aylmer, QC. Oral presentation

Gould, J., S.E. Macdonald, and R. Belland. 2005. Co-occurrence of rare vascular plants in the Northern Rocky Mountains of Alberta. Plant Canada 2005 Meeting. June 15-18, 2005. Edmonton, AB. Oral presentation.

Caners, R., S.E. Macdonald, and R.J. Belland. 2005. Spatial pattern of forest floor bryophytes in mixedwood stands of northern Alberta. Plant Canada 2005 Meeting. June 15-18, 2005. Edmonton, AB. Oral presentation.

Kemper, J.T. and S.E. Macdonald. 2004. Short- and long-term effects of winter seismic exploration on the plant communities of a low arctic migratory bird sanctuary. Society for Conservation Biology 18th Annual Meeting, July 30 – August 2, 2004, New York City, New York. oral presentation.

Macdonald, E., C. Mourelle, B. Dankert, and T. Fenniak. 2003. Effects of canopy manipulation on understory plant communities: a synthesis from the western boreal forest. Canadian Botanical Association Annual Meeting, Antigonish, Nova Scotia, June 2003. oral presentation.

Purdy, B.G., S.E. Macdonald, and V.J. Lieffers. 2003. A comparison of vegetation – soil relationships in saline and non-saline landscapes in Alberta’s boreal forest. Canadian Botanical Association Annual Meeting, Antigonish, Nova Scotia, June 2003. oral presentation.