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Height growth curves and site index tables for subalpine fir, Engelmann spruce, and lodgepole pine in the ESSF zone of BC

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Title: Height growth curves and site index tables for subalpine fir, Engelmann spruce, and lodgepole pine in the ESSF zone of BC
Author: Klinka, Karel; Chen, Han Y. H.; Wang, Qingli; Chourmouzis, Christine
Subject Keywords Engelmann spruce;Engelmann spruce - subalpine fir zone;Forest productivity;Height growth model;Lodgepole pine;Site index model;Stem analysis;Subalpine fir
Issue Date: 1998
Publicly Available in cIRcle 2008-04-23
Publisher Forest Sciences Department, University of British Columbia
Series/Report no. Scientia Silvica extension series, 1209-952X, no. 15
Abstract: Height growth models of coastal low- and mid-elevation Pacific silver fir, low-elevation white spruce, and low- and midelevation lodgepole pine have been used for predicting productivity of subalpine fir, Engelmann spruce, and lodgepole pine, respectively. These models, however, are biased in predicting height growth of high-elevation subalpine fir, Engelmann spruce, and lodgepole pine. To improve this situation, 329 sample plots (165 for subalpine fir, 90 for Engelmann spruce, and 74 for lodgepole pine) were located throughout the Engelmann Spruce-Subalpine Fir (ESSF) zone. Stem analysis was carried out on three dominant trees in each 0.04 ha sample plot. For each study species, a height growth model was developed on the data from two-thirds of the sample plots using the conditioned Chapman-Richards’ function; the model was validated using the remaining one-third of the sample plots.
Affiliation: Forest Sciences, Dept of
URI: http://hdl.handle.net/2429/768
Peer Review Status: Peer-Reviewed

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