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Stand dynamics after partial cutting in dry Douglas-fir forests in central British Columbia: Farwell Canyon Research Project

Author(s) or contact(s): M.J. Waterhouse and N.M. Daintith
Source: Forests, Lands, and NR Operations
Subject: Biodiversity, Douglas-fir, Growth and Yield, Natural Regeneration, Silvicultural Systems, Stand Structure, Thinning
Series: Technical Report
Other details:  Published 2016. Hardcopy is available.


The Farwell Canyon project was established within two Douglas-fir (Pseudotsuga menziesii) stands in the Very Dry Mild Interior Douglas-fir (IDFxm) biogeoclimatic subzone in the Cariboo Region, British Columbia in 2001. The project goals were to improve forage for wildlife and livestock (i.e., increase vascular plant cover), improve the growth of the residual stand by reducing inter-tree competition, shift the plant community composition to one that is more typical of open forest condition, and improve the resiliency of the stand to catastrophic fire. From a timber management perspective, the goal was to increase individual tree growth by logging and thinning while maintaining overall stand-level growth. To achieve these goals, treatment combinations of modified" logging, pre-commercial thinning, and burning were applied to return the forest to a more open condition that is typical of Douglas-fir forest adjacent to grassland in the IDFxm.

Assessment of stand structure, growth, and regeneration 10-14 years after harvesting in the pilot project provided trends and probable outcomes of the management options tested.

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Updated December 28, 2016