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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.
This study utilizes nearly 5000 stem-mapped trees in ponderosa pine ( Pinus ponderosa Lawson & C. Lawson) dominated forests to evaluate several algorithms for detecting individual tree locations and characterizing crown area across tree sizes.
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.
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.
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.
Growth. At lower elevations, ponderosa pine grows in relatively pure stands while higher up it grows mixed with other conifer species. In the Coast Range, it grows as a component of the mixed-evergreen forest type, rarely in pure stands. Fire has a profound effect on ponderosa pine distribution.
Introduction. Ponderosa pine (Pinus ponderosa P. & C. Lawson), is a wide-ranging conifer occurring throughout the western United States, southern Canada, and northern Mexico (fig. 1) (Little 1971). Generally its greatest extent is in the Inland Northwestern United States and in northern California.
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