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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.
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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.
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 ...
Certified wood and paper products come from responsibly managed forests – as defined by a particular standard. With third-party forest certification, an independent standards setting organization (SSO) develops standards for good forest management, and independent auditing companies issue certificates to forest operations that comply with ...
High grading can also be a form of fraud on the owner of the trees. Indeed, stumpage rates (the amount paid per a certain volume of wood) are based on the average quality of the wood. By taking only the best timber, the wood cutter obtains wood more valuable than average at the price of average wood.
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