Noun
common and widely distributed tall timber pine of western North America having dark green needles in bunches of 2 to 5 and thick bark with dark brown plates when mature
Source: WordNetEcology The rooting habit of coast Douglas fir is not particularly deep, with the roots tending to be shallower than those of same-aged ponderosa pine, sugar pine, or California incense-cedar, though deeper than Sitka spruce. Source: Internet
In spring and winter (in British Columbia, Idaho, and Montana) elk browse on south- and southwest-facing Rocky Mountain Douglas-fir and ponderosa pine stands, particularly when shrubs and/or grasses are productive. Source: Internet
In one study, a detailed analysis of historical fire data concluded that fire suppression activities have failed to exclude fire from southern California chaparral, as they have in ponderosa pine forests. Source: Internet
In higher elevations, conifer forests, of which ponderosa pine is most common, dominate the landscape. Source: Internet
In summer, elk generally are found at higher elevations (outside the Rocky Mountain Douglas-fir and Pacific ponderosa pine zones). Source: Internet
Roundheaded pine beetle, along with associated native bark beetles, continued to affect ponderosa pine forests in Dolores County in southwest Colorado. Source: Internet