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Black spruce stand at Arctic Chalet, Inuvik, NT 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 interchangeable ...
Local market conditions will determine the particular length of cut. It is common for log buyers to issue purchase orders for the length, diameter, grade, and species that they will accept. On the West Coast common cuts on a large Pine or Fir tree are three 32's and a 10. There are often different prices for different items.
In 1950, the AFPA prepared the first marketing booklet for "Western White Spruce" lumber as "Spruce-Pine-Fir" (SPF), for distribution to buyers in the United States and Canada. At the same time the association urged the Alberta provincial government to increase forest fire protection and help reduce Alberta's high timber loss by fire. The AFPA ...
The lumber is sold for profit, and the land, cleared of all remaining brush and suitable for agricultural development, is sold to farmers. [ 6 ] Clearcutting contrasts with selective cutting, such as high grading , in which only commercially valuable trees are harvested, leaving all others.
A pine plantation in the United States. A tree plantation, forest plantation, plantation forest, timber plantation or tree farm is a forest planted for high volume production of wood, usually by planting one type of tree as a monoculture forest. The term tree farm also is used to refer to tree nurseries and Christmas tree farms.
Finished lumber is supplied in standard sizes, mostly for the construction industry – primarily softwood, from coniferous species, including pine, fir and spruce (collectively spruce-pine-fir), cedar, and hemlock, but also some hardwood, for high-grade flooring. It is more commonly made from softwood than hardwoods, and 80% of lumber comes ...
"A decision support system for forest density management within upland black spruce stand-types." [10] Staman: Stand table model: New Brunswick: Acadian Forests: Eastern SPF, Tolerant hardwoods: Even-aged and uneven-aged: Silviculture: 1, 2, 5
FSC certified wood products contribute to score up to 2 points in the LEED v4.1 credit 'Sourcing of Raw Materials'. [48] In addition, FSC certified wood products can contribute to score up to 1 point in the LEED v4.1 pilot credit 'Social Equity within the Supply Chain'. [49] BREEAM awards credits for FSC certified wood products in the Mat 03 ...