A site index system for redwood and Douglas-fir in California’s North Coast Forest

Bruce Krumland and Lee C. Wensel

Hilgardia, 1986, vol. 54, issue 8

Abstract: This article evaluates and compares existing site index equations applicable to redwood and Douglas-fir in California’s north coast redwood forest. The authors find previous site index models for redwood to be biased, particularly in younger age classes. They therefore developed new polymorphic site index equations for this species, using both stem analysis and permanent plot data from Humboldt, Del Norte, and Mendocino counties. The new curves use a 50-year breast-height (4.5-foot) age as a base.

Keywords: Resource/Energy; Economics; and; Policy (search for similar items in EconPapers)
Date: 1986
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