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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 (Pinus ponderosa) The dominant conifer species of the east of the Cascade Range. Ponderosas range in height of mature trees range up to 232 feet in height, diameter trunks range from 30 to 50 inches and can live from 300 to 600 years. [19] Fire is a critical component to the ponderosa lifecycle.
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 ponderosa pine forest, unlike the lodgepole pine and spruce/fir forests, supports numerous mammal species including Abert's squirrel (Sciurus aberti), which only lives in ponderosa pine communities. [8] S. aberti usually prefers a cluster of trees and feeds on the seeds of the cones.
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 ...
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).
Prior to restoration efforts, the pine survived only in scattered stands between Hillsboro and Cottage Grove. [1] The Lewis's woodpecker and the slender-billed nuthatch (a subspecies of the white-breasted nuthatch) nest in the tree and rely on it for food–their populations were reduced along with that of the pine. [1]
Oldest tree in Poland. The age of the tree was estimated based on the trunk circumference and growth rate assessed by taking a core from an undamaged part of the trunk. If the trunk is the result of the fusion of two or three trunks, its age may be younger. [64] Algarrobo Abuelo: 1,200+ Algarrobo Prosopis chilensis: Villa de Merlo, San Luis ...