Search results
Results from the WOW.Com Content Network
Pseudotsuga japonica, the Japanese Douglas-fir, is a species of conifer in the pine family, Pinaceae, that is endemic to Japan. [ 1 ] [ 3 ] [ 4 ] It is a medium-sized tree growing to 25 m (82 ft) tall. [ 3 ]
This page was last edited on 11 January 2025, at 18:53 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Douglas-fir is one of the world's best timber-producing species and yields more timber than any other species in North America, making the forestlands of western Oregon, Washington, and British Columbia the most productive on the continent. In 2011, Douglas-fir represented 34.2% of US lumber exports, to a total of 1.053 billion board-feet.
For example, splitting a 10-foot-long (3.0 m) 2×4 (1 + 1 ⁄ 2 by 3 + 1 ⁄ 2 in or 38 by 89 mm) into two 1×4s (3 ⁄ 4 by 3 + 1 ⁄ 2 in or 19 by 89 mm) of the same length is considered re-sawing. Plastic lumber
Pseudotsuga menziesii var. lindleyana, commonly known as the Mexican Douglas-fir, is a conifer in the genus Pseudotsuga that is endemic to Mexico. [1] DNA sequence [2] and morphological [3] evidence suggests it is most closely related to Rocky Mountain Douglas-fir (P. menziesii var. glauca) and might best be treated as an additional variety within P. menziesii.
Spruce-pine-fir (SPF) is a classification of lumber that can be traded on commodities exchanges. In Canada , and parts of the United States , most of the spruce tree species , pine tree species , and fir tree species share similar physical and mechanical characteristics, to the point where lumber derived from any of these species are ...
Big Lonely Doug is a large Coast Douglas-fir (Pseudotsuga menziesii) tree located in the Gordon River Valley, 10km north of Port Renfrew on Vancouver Island, British Columbia, Canada. It is the second largest Douglas-fir tree in Canada after the Red Creek Fir in nearby San Juan Valley. [1]
The Red Creek Fir has a diameter of 4.2 m (14 ft), a circumference of 9.8 m (32 ft), and a height of 73.8 m (242 ft). The tree has an approximate age of at least 1000 years old. [ 2 ]