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The small and large tree live crown ratio (CR) models were fitted by species/zone combination for the Interior Cedar-Hemlock (ICH) and Interior Douglas-fir (IDF) biogeoclimatic zones of the Kamloops, Cariboo, and Nelson Forest Regions, using Permanent Sample Plot data. Selected models were compared and analyzed for suitability and predictive abilities. A logistic function was selected for estimating CRs for both coniferous and hardwood species. The logistic function predicts the percent live crown ratio of small and large trees reasonably well. Tree size and competition measures variables contributed significantly to estimating CRs for most species/zone combinations. However, site variables were not significant contributors. [paper submitted for possible publication]. [Regeneration Establishment] [Predicting Tree Lists] [Small Tree Height Growth] |
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