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Western white pine: Pinus monticola: 1935 [19] Illinois: 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 ...
In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured. [3] [4]
The current trees are about 170 years old, technically making them old-growth. [2] The area is home to uncommon birds such as the black-throated green warbler, and some members of the Pennsylvania elk population have been seen. [3] The Natural Area is accessed via various hiking trails with educational displays. [1]
Since the Forest Service began to manage the Allegheny National Forest in 1923, a different forest of hardwood trees like black cherry (that are more valuable as a timber product) was established through the use of herbicides and selective fertilizing. This weeded out the "undesirable" native trees while allowing the black cherry tree to thrive ...
The old-growth forest is from 122 acres (49 ha) to 150 acres (61 ha) in extent, but the scenic area is most famous for its 20 acres (8.1 ha) of tall white pine and Eastern hemlock. [9] Many of these trees have diameters of over 40 inches (102 cm) and heights of over 140 feet (43 m), [2] and most of the white pine are between 300 and 400 years old.
An old-growth white pine forest of 120 acres (49 ha). Hemlocks Natural Area: 1972 Perry: public/state Tuscarora State Forest: Features numerous old growth hemlock trees. Hickory Run Boulder Field: 1967
Young spring growth ("candles") on a loblolly pine: Monterey pine bark: Monterey pine cone on forest floor: Whitebark pine in the Sierra Nevada: Hartweg's pine forest in Mexico: The bark of a pine in Tecpan, Guatemala: A pine, probably P. pseudostrobus, in Guatemala
Pine Ridge Natural Area is a 568-acre (230 ha) protected area in Bedford County, Pennsylvania, United States. It is part of Buchanan State Forest . [ 1 ] [ 2 ]
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