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29 Νοε 2016 · Ponderosa pine is a species of lean and erect coniferous trees distributed in the western US and Canada. It is one of the most abundant conifer species in America and is valued for its rugged-looking and resilient timber as well as for recreational use.
Pinus ponderosa P. & C. Lawson, is a large, long-lived, native forest tree common throughout the western U.S. Height of mature trees range from 55 to 90 feet. Diameter breast high ranges from 15 to 35 inches. Age at maturity ranges from 70 to 250 years. The needles are 3 to 5 inches long with 3, or rarely 2 to 4, needles in a cluster (bundle).
Ponderosa pine (Pinus ponderosa), also called western yellow pine, is one of the most widely distributed pines in western North America. A major source of timber, ponderosa pine forests are also important as wildlife habitat, for recreational use, and for esthetic values.
Ponderosa pine, the largest of the western pine species, is found on semi-arid plateaus and slopes in B.C.’s southern interior. The wood is straight-grained, nonporous with a fine and uniform texture, and light in colour, ranging from cream to yellow to pale reddish-brown.
The ponderosa pine, also known as the yellow pine, is one of the most widely distributed tree species in the West, growing from southern Canada into Mexico, and from Nebraska and Oklahoma all the way to the Pacific Coast.
Ponderosa pine is a large tree that lives 300 to 600 years and reaches heights of 30 to 50 m tall and 0.6 to 1.3 m in diameter. The oldest trees can exceed 70 m in height and 2 m in diameter.
Abstract. Ponderosa pines are the most important timber producing species in Mexico, and they also represent a major portion of the Usa and Canada timber production. These pines form near pure stands with simple and stable stand structure.