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Old growth longleaf pine stand, scorched by fire (top); longleaf pine stand after timber removal (bottom) Before European settlement, longleaf pine forest dominated as much as 90,000,000 acres (360,000 km 2) stretching from Virginia south to Florida and west to East Texas. Its range was defined by the frequent widespread fires that were lit by ...
The longleaf pine ecosystem is a ... further habitat loss was increasing at an alarming rate. ... there are a documented 8,856 acres (3,584 ha) of old growth longleaf ...
The Palustris Experimental Forest was established July 19, 1935 [1] on 2,700 acres (1,100 ha) of cutover land that was previously occupied by longleaf pine. [6] The experimental forest was to serve as a field laboratory for evaluating pine reforestation techniques.
Before construction of railroads and establishment of settlements in the southern United States in the latter half of the 19th century, the longleaf pine ecosystem (Pinus palustris) dominated the landscape and extended from Virginia south and west into East Texas through nine US states, covering an area of more than 140,000 sq mi (360,000 km 2). [4]
Burning to manage wildlife habitat did continue and was a common practice by 1950. Longleaf pine dominated the coastal plains until the early 1900s, where loblolly and slash pines now dominate. [10] At low altitudes in the Rocky Mountain region, large areas of Ponderosa pine and Douglas fir had an open park-like structure until the 1900s.
Pinus ponderosa (ponderosa pine) Can reach more than 70 m (230 ft) in height. It is a widely distributed tree in western North America, and one of the main sources of timber, with a relatively fast growth rate. Uses: timber; landscaping, posts, pulpwood, terpenes, veneers [94] [95] —
Jeffrey pine wood and ponderosa pine wood are sold together as yellow pine. [6] Both kinds of wood are hard (with a Janka hardness of 550 lbf (2,400 N)), but the western yellow pine wood is less dense than southern yellow pine wood (28 lb/cu ft (0.45 g/cm 3 ) versus 35 lb/cu ft (0.56 g/cm 3 ) for shortleaf pine).
With the advent of wildfire suppression, loblolly pine has become prevalent in some parts of the Deep South that were once dominated by longleaf pine and, especially in northern Florida, slash pine. [19] Its rate of growth is rapid, even among the generally fast-growing southern pines.