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  2. 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 ...

  3. 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."

  4. 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 ...

  5. List of tallest trees - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_trees

    Modern verified measurements with laser rangefinders or with tape drop measurements made by tree climbers (such as those carried out by canopy researchers), have shown that some older tree height measurement methods are often unreliable, sometimes producing exaggerations of 5% to 15% or more above the real height. [51]

  6. List of superlative trees - Wikipedia

    en.wikipedia.org/wiki/List_of_superlative_trees

    [41] [42] Breast height is defined differently in different situations, with most forestry measurements taking girth at 1.3 m above ground, [42] while those who measure ornamental trees usually measure at 1.5 m above ground; [41] in most cases this makes little difference to the measured girth.

  7. List of largest giant sequoias - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_giant_sequoias

    This tree was the second-largest tree in the world (only the General Sherman tree was larger) until September 2003, when the tree lost a portion of its crown as a result of a fire caused by a lightning strike. [1] [14] This reduced its height from nearly 78 meters (255 ft) to about 70 meters (229 ft). The structurally weakened tree partially ...

  8. 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.

  9. Tree crown measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_crown_measurement

    Additional details on the methodology of tree height measurement, tree girth 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 of ...

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