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Filtering by: Academic Affiliation College of Forestry Date issued sim 1989-03

Equations for predicting the height to crown base of six tree species in the central western Willamette Valley of Oregon

Creator:

Zumrawi, Abdel Azim M. A., Hann, David W., and Oregon State University. Forest Research Laboratory

Abstract:

This paper presents equations developed to predict the height to live crown base of six species in the central western Willamette Valley of Oregon. Weighted nonlinear regression was used to fit a separate logistic equation for each species. The predictor variables are total tree height, crown competition factor in trees...

Resource Type:

Research Paper