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2. 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."

3. Tree height measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_height_measurement

   The development of laser rangefinders was a significant breakthrough in a person's ability to quickly and accurately measure tree heights. Soon after the introduction of laser rangefinders, their utility in measuring trees and use of the sine based height calculations was recognized and adopted independently by a number of big tree hunters. [20]

4. Diameter at breast height - Wikipedia

   en.wikipedia.org/wiki/Diameter_at_breast_height

   Measurement of tree circumference, the tape calibrated to show diameter, at breast height, making sure that the tape is perfectly level and that the tape is not kinked, so as not to skew the reading of the diameter. Diameter at breast height, or DBH, is a standard method of expressing the diameter of the trunk or bole of a standing tree.

5. Tree volume measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_volume_measurement

   Tree volume is one of many parameters that are measured to document the size of individual trees. Tree volume measurements serve a variety of purposes, some economic, some scientific, and some for sporting competitions. Measurements may include just the volume of the trunk, or the volume of the trunk and the branches depending on the detail ...

6. Tree girth measurement - Wikipedia

   en.wikipedia.org/wiki/Tree_girth_measurement

   Tree girth measurement diagram. Tree girth is a measurement of the circumference of tree trunk. It is one of the most ancient, quickest, and simplest of foresters' measures of size and records of growth of living and standing trees. The methods and equipment have been standardized differently in different countries.

7. Stocking (forestry) - Wikipedia

   en.wikipedia.org/wiki/Stocking_(forestry)

   When stocking, a tree's basal area is measured. The basal area is a cross-sectional area of the stump taken about 4.5 feet (1.4 m) above the ground. [7] The equation for calculating the basal area of trees in a stand is Basal Area = 0.005454 DBH 2, where DBH is the diameter of the tree at the aforementioned measuring height. [7]

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9. Stand density index - Wikipedia

   en.wikipedia.org/wiki/Stand_Density_Index

   Stand density index (SDI; also known as Reineke's Stand Density Index [1] after its founder) is a measure of the stocking of a stand of trees based on the number of trees per unit area and diameter at breast height (DBH) of the tree of average basal area, also known as the quadratic mean diameter. It may also be defined as the degree of ...