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2. Tree girth measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_girth_measurement

   In this case a better option would be to measure the standard girth measurement at 4.5 feet above ground level on the high side of the tree and note this in the measurement description [13] [17] The height of this measurement point above the standard base point at midslope should also be noted. If measuring a mountaintop forest of stunted trees ...

3. Tree height measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_height_measurement

   Additional details on the methodology of tree girth measurement, tree crown measurement, and tree volume measurement are presented in the links herein. American Forests, for example, uses a formula to calculate Big Tree Points as part of their Big Tree Program [ 3 ] that awards a tree 1 point for each foot of height, 1 point for each inch (2.54 ...

4. Tree measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_measurement

   Tree height is the vertical distance between the base of the tree and the highest sprig at the top of the tree. The base of the tree is measured for both height and girth as being the elevation at which the pith of the tree intersects the ground surface beneath, or "where the acorn sprouted."

5. Diameter at breast height - Wikipedia

   en.wikipedia.org/wiki/Diameter_at_breast_height

   A tree caliper. The two most common instruments used to measure DBH are a girthing (or diameter) tape and calipers.. A girthing tape actually measures the girth (circumference) of the tree; the girthing tape is calibrated in divisions of π centimetres (3.14159 cm).

6. Tree crown measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_crown_measurement

   American Forests, for example, uses a formula to calculate Big Tree Points as part of their Big Tree Program [3] that awards a tree 1 point for each foot of height, 1 point for each inch of girth, and ⁠ 1 / 4 ⁠ point for each foot of crown spread. The tree whose point total is the highest for that species is crowned as the champion in their ...

7. Forest inventory - Wikipedia

   en.wikipedia.org/wiki/Forest_inventory

   Diameter at breast height (DBH) – measurement of a tree's girth standardized with different countries having different standards they are often at 1.3 meters (about 4.5 feet) above the ground; Form factor – the shape of the tree, based on recorded trees and commonly then given for calculating tree volumes for a given species.

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9. Tree volume measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_volume_measurement

   The total height of the tree is equal to the measured distance from the base at mid-slope to the upper end of the tape where affixed to the tree plus the vertical height measured to the actual top of the tree. Girth measurements are made by wrapping the tape around the tree perpendicular to the bole at successive intervals as the climber ...