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  2. Stand density index - Wikipedia

    en.wikipedia.org/wiki/Stand_Density_Index

    The above equation is an expression for computing the stand density index from the number of trees per acre and the diameter of the tree of average basal area. Assume that a stand with basal area of 150 square feet (14 m 2) and 400 trees per acre is measured. The dbh of the tree of average basal area D is:

  3. Prunus americana - Wikipedia

    en.wikipedia.org/wiki/Prunus_americana

    Prunus americana, commonly called the American plum, [7] wild plum, or Marshall's large yellow sweet plum, is a species of Prunus native to North America from Saskatchewan and Idaho south to New Mexico and east to Québec, Maine and Florida. [8] Prunus americana has often been planted outside its native range and sometimes escapes cultivation. [9]

  4. Optimal rotation age - Wikipedia

    en.wikipedia.org/wiki/Optimal_rotation_age

    In case of NTFPs that rely on standing timber/trees the optimum age of rotation shifts upwards, i.e. the rotation age moves up. It can be illustrated with the help of following diagram. Here, we see that the original rotation age is estimated to be R1, but as we incorporate the value of NTFPs that rely on standing timber, the expected benefit ...

  5. Tree volume measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_volume_measurement

    In addition a footprint map of the base of the tree is made to calculate the exact volume of the basal section of the tree. The data is processed in Excel to generate a volume calculation. Graphing functions can be used to create a 3-dimensional figure of the tree data. Dr. Van Pelt also uses an Excel macro to rotate the image so that it can be ...

  6. Prunus umbellata - Wikipedia

    en.wikipedia.org/wiki/Prunus_umbellata

    Prunus umbellata, called flatwoods plum, hog plum and sloe plum, is a plum species native to the United States from Virginia, south to Florida, and west to Texas. [3] [4] Prunus umbellata can reach 6.1 meters (20 feet) in height with a 4.6 m (15 ft) spread. It has alternate serrate green leaves that turn yellow in autumn. Flowers are white ...

  7. 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 ...

  8. Tree allometry - Wikipedia

    en.wikipedia.org/wiki/Tree_allometry

    Allometry studies the relative size of organs or parts of organisms. Tree allometry narrows the definition to applications involving measurements of the growth or size of trees. Allometric relationships often are used to estimate difficult tree measurements, such as volume, from an easily measured attribute such as diameter at breast height (DBH).

  9. Prunus angustifolia - Wikipedia

    en.wikipedia.org/wiki/Prunus_angustifolia

    Prunus angustifolia, known commonly as Chickasaw plum, Cherokee plum, Florida sand plum, sandhill plum, or sand plum, [3] is a North American species of plum-bearing tree. . It was originally cultivated by Native Americans before the arrival of Europe

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