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Height–diameter models using stand characteristics for Pinus banksiana and Picea mariana

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Height–diameter relationships based on stand characteristics (stand density, basal area and site index) were investigated for jack pine and black spruce trees using the data from permanent growth study plots in northern Ontario, Canada. Approximately half of the data was used to estimate model parameters and the rest was used for model evaluation. Multiple Chapman–Richards growth functions with parameters expressed in terms of various stand characteristics were fitted to determine the best models for predicting height. Models providing the most accurate predictors of height included basal area, trees ha −1 and diameter at breast height. The inclusion of site index did not increase predictive accuracy.

Keywords: Black spruce; Chapman–Richards growth function; growth and yield; height–diameter model; jack pine; stand density management diagram

Document Type: Research Article


Affiliations: Resource Assessment and Utilization Group, Forintek Canada Corp., 319 rue Franquet, Sainte-Foy, QC, G1P 4R4, Canada

Publication date: October 1, 2004

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