An Empirical Log Rule for Douglas-fir in Western Oregon and Western Washington
The traditional procedure for estimating lumber tally volume is based on theoretical log rules, defect deductions, and overrun factors. This procedure is indirect, subjective, and complicated. It is also apparently inaccurate. A better procedure, one based on actual rather than theoretical lumber recoveries, is described.
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Document Type: Journal Article
Affiliations: Principal Biometrician, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, Portland, Oregon
Publication date: 1975-05-01
The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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