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Quercus × morehus, [3] Abram's oak in Kellogg's original description [4] (later called oracle oak by Jepson [5]), is a named hybrid between the red oaks Quercus kelloggii (California black oak) and Quercus wislizeni (interior live oak). [6]
A young stand of even-aged fir trees growing in a formerly clearcut area in the Sierra Nevada mountains, with an older cohort behind them. Even-aged timber management is a group of forest management practices employed to achieve a nearly coeval cohort group of forest trees . [ 1 ]
Stand density management diagram – model that uses current stand density to project future stand composition Volume can be calculated from the metrics recorded in a plot sample. For example, if a tree was measured to be 20m tall and with a DBH of 19 cm using previous measured tree data a volume could be approximated according to species.
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]
Tree stands or deer stands are open or enclosed platforms used by hunters. The platforms are secured to trees in order to elevate the hunter and give them a better vantage point. A tripod stand is a similar device, but because it is freestanding rather than attached to a tree, it is not technically a tree stand.
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:
White oak: Quercus alba: 1973 [20] Indiana: Tulip tree: Liriodendron tulipifera: 1931 [21] Iowa: Oak (variety unspecified) Quercus spp. 1961 [22] Kansas: Eastern cottonwood: Populus deltoides: 1937 [23] Kentucky: Tulip-tree: Liriodendron tulipifera [24] Louisiana: Bald cypress [a] Taxodium distichum: 1963 [26] Maine: Eastern white pine: Pinus ...
The Pulaski is a specialty hand tool used in fighting fires, particularly wildfires, [1] which combines an axe and an adze in one head. Similar to a cutter mattock, it has a rigid handle of wood, plastic, or fiberglass. The Pulaski was developed for constructing firebreaks, able to both dig soil and chop wood.
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