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Basal area is the cross-sectional area of trees at breast height (1.3m or 4.5 ft above ground). It is a common way to describe stand density. In forest management, basal area usually refers to merchantable timber and is given on a per hectare or per acre basis. If one cut down all the merchantable trees on an acre at 4.5 feet (1.4 m) off the ...
Stocking charts or guides help determine stocking status. When there are two stands that have similar basal areas but different amounts of trees in the stand, they can be compared using a stocking chart. In these charts are 2 reference lines, A and B, which show where an area is being overstocked, understocked, or fully stocked. [5]
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:
Basal area and density are plotted against one another and quadratic mean diameter lines are plotted through the plot. The diagram itself is a plot of the natural logarithm of the volume or yield against the natural logarithm of stems per acre. Just like a stocking diagram, the A-line, B-line, and C-line are plotted.
Basal area – defines the area of a given section of land that is occupied by the cross-section of tree trunks and stems at their base; 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
Basal cell carcinoma (BCC): As the most common type of skin cancer, BCC accounts for 80% of all skin cancer diagnoses in the U.S., per AAD. Typically, BCC looks like a skin-colored, translucent ...
If the flare at the base of the tree extends above this default girth height, then ideally a second girth measurement should be collected where possible above the basal flare and this height noted. [citation needed] Tree girth is one of the parameters commonly measured as part of various champion tree programs and documentation efforts.
In 2022 — the most recent year for which mortality data is available — a total of 941,652 people died of heart disease-related condition