Author(s)

P.E. Reynolds

Abstract

Effects of forestry practices on forest microclimate P.E. Reynolds Natural Resources Canada, Canadian Forest Service, Canada Abstract The Fallingsnow Ecosystem Project was initiated in northwestern Ontario in 1993 to assess the effects of alternative conifer release practices on ecosystem processes and components. Treatments included two herbicides, glyphosate (G) and triclopyr (T), and two cutting treatments, manually with brushsaws (B), and mechanically with a Silvana (S) Selective mower. Treatments were applied to 4 clearcut blocks, each 30-60 ha, harvested between 1986 and 1988, and planted with spruce. Clearcut controls (C), 5-7 yrs old in 1993, constituted a 5th treatment, and unharvested forest (F) controls, approximately 100 yrs old and consisting of mixed wood species adjacent to each block, constituted a 6th treatment. Study objectives were to quantify treatment-related microclimatic differences and to assess the duration of these differences. Weather st

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