Forestry Measurements
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Forestry measurements include diameter breast height (DBH) which is tree diameter measured 4.5 feet above ground, tree height which was traditionally measured in logs rather than feet, tree volume, area which is based on chains and rods, cord volume which is a measurement of stacked wood, and basal area which is the cross-sectional area of a tree trunk measured at breast height and used to estimate the total area of trees per acre.
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Forestry Measurements
- 2. Diameter DBH (Diameter Breast Height) 4.5 ft above ground Biltmore Stick Measures diameter of tree Held 25 inches away from eye average arm reach of logger in early times
- 3. Tree Height Merritt Hypsometer Measured in number of 16 ft. logs rather than total height in ft.
- 4. Tree Height
- 5. Board Foot
- 6. Tree Volume
- 7. Length 1 Rod 16.5 ft 1 Chain 66 ft 4 Rods 1 Mile 5280 ft 320 Rods 80 Chains
- 8. Area Acre 43,56 sq. ft 10 sq. chains Section 640 acres 1 sq. mile 1 mile or 80 chains 1 mi or 80 chains
- 9. Volume / Cord Cord Volume of loose stacked wood Measures pulp wood Measures fire wood Based on 128 cu. ft of wood
- 10. Basal Area Basal Area Cross-sectional area of a tree at DBH Measured in Sq ft/tree Sq ft/acre
- 11. Basal Area Point sample with angle gauge An estimation