Douglas-fir


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Related to Douglas-fir: Pseudotsuga menziesii, Pseudotsuga

Douglas-fir

[¦dəg·ləs ′fər]
(botany)
Pseudotsuga menziesii. A large coniferous tree in the order Pinales; cones are characterized by bracts extending beyond the scales. Also known as red fir.
References in periodicals archive ?
For the 1995 study, the southern pine samples were sourced from Georgia and the Douglas-fir from Washington.
Because our observations indicated that Red Squirrels clipped Douglas-fir branch tips more intensively near middens, we located the majority (n = 9) of these plots at the middle of active Red Squirrel middens.
The company also tested rooted cutting technologies in Douglas-fir and loblolly pine and reached the same conclusion.
Composition, function, and structure of old-growth Douglas-fir forests, p.
1 percent for the Douglas-fir, ponderosa pine, and red oak, respectively.
Over the past decade Jerry and Sam have logged through some 600 acres of ponderosa pine, Douglas-fir, tamarack, and grand-fir.
In Oregon, Weyerhaeuser will donate 1,000 of the potted Douglas-firs to an urban Portland planting group, "Friends of Trees," which will give them away Saturday, April 21, in the North Park Blocks, when the group celebrates the conclusion of its five-year "Seed the Future" campaign.
The pews are made using red oak and the impressive 5,000 pipe organ also uses Douglas-fir.
The lumber will be inspected upon receipt, and failure to comply with these specifications will result in rejection of the entire load; lumber, douglas-fir, s4s, lumber, douglas-fir, s4s, #1 kiln dried 2" x 4" x 20 feet, 45,000 foot.
Quantification of seasonal bark loss for two Oregon commercial tree species, Douglas-fir (Pseudotsuga menziesii) and ponderosa pine (Pinus ponderosa), was conducted at monthly intervals beginning in late October to early November 2009 and finishing in August 2010.
Native seedlings of coulter pine, white fir, and bigcone Douglas-fir are being handed out to private landowners who have lost trees either from the 2003 wildfires or bark beetle infestation.
The State's support for this project coupled with the commitment of a broad range of donors and Eel River Sawmill's responsiveness and patience makes possible the protection of these sensitive lands so important to the wildlife that depend on old growth redwoods and Douglas-fir," said Kate Anderton, the League's acting Executive Director.