St. Mary’s Residual Basal Area Study in a Mixed Conifer Stand (EP 1365)

Trial Name: St. Mary’s Residual Basal Area Study in a Mixed Conifer Stand (EP 1365) (aka St. Mary’s)
Trial Objectives	Installation Name	Ecosystems Represented	Tree Species	Silvicultural Systems Tested	Post Establishment Treatments
How does the overstory and understory regeneration response to the level of residual basal area? Tree regeneration density and growth (natural and planted) Light studies Stand stability Vegetation response Ungulate use	St. Mary’s Residual Basal Area Study in a Mixed Conifer Stand	IDFdm2	Douglas-fir Lodgepole pine Western larch	Single tree selection with 4 levels of residual basal area BA retention (8, 16, 24, 37 m²)	None
Comments: Some challenges with mountain pine beetle

Publications


Publication Topics	Publications
General Overview	Waterhouse, M.J., T.A. Newsome, P. Comeau, and H. Armleder. 2008. St. Mary River single tree selection study in the Rocky Mountain Trench. B.C. Min. For. Range, Kamloops, B.C. Exten. Note 08. Waterhouse, M.J. 2008. St. Mary’s residual basal area study in a mixed conifer stand. Project Y081143. For. Investment Account, For. Sci. Program. Executive Summary 2007/08. Waterhouse, M.J., T.A. Newsome, A.A. Arsenault, H.M. Armleder, and P.G. Comeau. 2009. St. Mary’s residual basal area study in a mixed conifer stand. Project Y092143. For. Investment Account, For. Sci. Program. Executive Summary 2008/09.
Understory light Microclimate Regeneration Vegetation	Lockhead, K. 2011. The influence of forest structure on light and regeneration in complex coniferous stands. MSc thesis. Univ. Alberta, Edmonton, Alta.

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