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Growth Intercept Models for Western Larch

Author(s) or contact(s): G.D. Nigh, D. Brisco, and D. New
Source: Research Branch
Subject: Growth and Yield
Series: Extension Note
Other details:  Published 1999. Hardcopy is available.
 

Abstract

Western larch (Larix occidentalis Nutt.) commonly grows in mixed stands, and is a relatively important tree species in the Nelson Forest Region. Researchers at the University of British Columbia undertook a larch productivity study, which included collecting data from 114 stem analysis plots. Of these, 99 plots were suitable for developing growth intercept models. The data were analyzed using a standard technique. The resulting set of 50 equations estimates site index for larch stands from breast height age 1 to 50. The models have accuracy comparable with those of interior spruce but are not as accurate as those for lodgepole pine.

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Updated April 19, 2007