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Pinus ponderosa, commonly known as the ponderosa pine, [3] bull pine, blackjack pine, [4] western yellow-pine, [5] or filipinus pine, [6] is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is the most widely distributed pine species in North America.
Ponderosa pine forest is a plant association and plant community dominated by ponderosa pine and found in western North America. It is found from the British Columbia to Durango, Mexico . [ 1 ] In the south and east, ponderosa pine forest is the climax forest , while in the more northern part of its range, it can transition to Douglas-fir or ...
The tree was 202 feet (62 m) tall [2] [3] with a diameter of 7 feet (210 cm), [4] and was one of the largest known Ponderosa pines in the world. [1] After stress by attacks from mountain pine beetles [4] its death in 2015 was confirmed the following year. [5]
The pure stands of Rocky Mountain ponderosa pine forest receive about 15–20 inches (380–510 mm) of annual precipitation. [7] In the northern Rockies, about 40-50% falls in April through September, while in the southern Rockies, about 66-75% falls during these months. [7]
The ponderosa pine forests were close to the developing population centers at the forest-prairie edge. The scale of the loss of ponderosa pine habitat is demonstrated best in several hundred paired photographs from the early 20th century and 1980s. However, nearly all the paired photographs also reveal that the most important feature of the ...
Old growth ponderosa pine in Lost Forest. Lost Forest covers approximately 9,000 acres (36 km 2). It is a self-sustaining stand of ponderosa pines growing in the arid high desert, 40 miles (64 km) from the nearest contiguous pine forest. The Bureau of Land Management considers 4,153 acres (1,681 ha) to be prime forest land with large old-growth ...
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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.