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Research Paper
Title: STX--Fortran-4 program for estimates of tree populations from 3P sample-tree-measurements
Author: Grosenbaugh, L. R.
Date: 1967
Source: Res. Paper PSW-RP-13. Berkeley, CA: Pacific Southwest Forest & Range Experiment Station, Forest Service, U.S. Department of Agriculture; 76 p
Station ID: RP-PSW-013
Description: Describes how to use an improved and greatly expanded version of an earlier computer program (1964) that converts dendrometer measurements of 3P-sample trees to population values in terms of whatever units user desires. Many new options are available, including that of obtaining a product-yield and appraisal report based on regression coefficients supplied by user. Improved techniques for extrapolation may be employed to estimate unseen length and upper bark thickness.
Key Words: 3P-sampling, optical dendrometry, timber realization value, timber appraisal, timber conversion to product-yield, sample-tree-measurement, extrapolation, tree volume, tree length, tree surface
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Citation
Grosenbaugh, L. R. 1967. STX--Fortran-4 program for estimates of tree populations from 3P sample-tree-measurements Res. Paper PSW-RP-13. Berkeley, CA: Pacific Southwest Forest & Range Experiment Station, Forest Service, U.S. Department of Agriculture; 76 p.