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  1. 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.

  2. 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).

  3. 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.

  4. 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.

  5. ponderosa pine forests can often withstand ground-level fires, droughts, and other threats with low mortality. Heights of these stands depend on age and local climate conditions; drier locations

  6. Description: Ponderosa pine is one of the most widely distributed tree species in western North America. It is highly-valued as a source of lumber, but also is key to the health and social value western forests, whether growing in pure stands or in mixture with other conifer and hardwood species.

  7. Ponderosa pine stands have been managed to provide a wide range of outputs and values by using these silvicultural systems, including timber, habitat for large game and avian species, protection of wildland resources from damaging insects, disease, or wildfire, quality forage for domestic ungulates, and water.

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