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Site index information


Site index is a term used in forestry to describe the potential for forest trees to grow at a particular location or "site". Site is defined as "The average age of dominate and/or codominate trees of an even-aged, undisturbed site of intolerant trees at a base age";[1] furthermore, the word site is used in forestry to refer to a distinct area where trees are found.[2] Site index is used to measure the productivity of the site and the management options for that site and reports the height of dominant and co-dominant trees in a stand at a base age such as 25, 50 and 100 years.[2] For example, a red oak with an age of 50 years and a height of 70 feet (21 m) will have a site index of 70. Site index is species specific. Common methods used to determine site index are based on tree height, plant composition and the use of soil maps.

  1. ^ Nyland, R.D. (2002). Silviculture: Concepts and Applications, 2nd ed. Illinois: Waveland Press.
  2. ^ a b Avery, T.E.; H.E. Burkhart (2002). Forest Measurements, 5th ed. New York: McGraw-Hill.

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