Notes: Estimating Wood Volumes for Douglas-fir and White Fir From Outside Bark Measurements
Abstract:The ratio of diameter inside bark to diameter outside bark (dib/dob) at first increases up the bole from breast height (bh) and then decreases toward the tip for Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) and white fir (Abies concolor (Gord. & Glend.) Lindl. ex Hildebr.). This change in dib/dob equals 1 - [(dbhob - dbhib)/dob] [0.28/(1.28 - dob/dbhob)] and can be easily inserted into Grosenbaugh's STX program for processing optical dendrometer measurements. Forest Sci. 28:172-174.
Document Type: Miscellaneous
Affiliations: Principal Research Soil Scientist at Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, Silviculture Laboratory, Bend, OR 97701
Publication date: March 1, 1982
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- Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
Forest Science is published bimonthly in February, April, June, August, October, and December.
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