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  2. Spruce-pine-fir - Wikipedia

    en.wikipedia.org/wiki/Spruce-pine-fir

    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 ...

  3. Certified wood - Wikipedia

    en.wikipedia.org/wiki/Certified_wood

    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 ...

  4. Even-aged timber management - Wikipedia

    en.wikipedia.org/wiki/Even-aged_timber_management

    Even-aged forest management is the harvesting system of choice in many parts of the world because it is often considered to be the only method that is economically viable. Forestry operations have extremely high variable costs- per hour expenses for harvesting equipment and per kilometer expenses for log transportation compose a very large ...

  5. Plywood - Wikipedia

    en.wikipedia.org/wiki/Plywood

    Softwood plywood is usually made either of cedar, Douglas fir or spruce, pine, and fir (collectively known as spruce-pine-fir or SPF) or redwood and is typically used for construction and industrial purposes. [12] The most common dimension is 1.2 by 2.4 metres (3 ft 11 in × 7 ft 10 in) or the slightly larger imperial dimension of 4 feet × 8 feet.

  6. Forest growth models of Canada - Wikipedia

    en.wikipedia.org/wiki/Forest_growth_models_of_Canada

    "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

  7. High grading - Wikipedia

    en.wikipedia.org/wiki/High_grading

    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.

  8. Tree plantation - Wikipedia

    en.wikipedia.org/wiki/Tree_plantation

    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.

  9. Cut-to-length logging - Wikipedia

    en.wikipedia.org/wiki/Cut-to-length_logging

    Cut-to-length logging (CTL) is a mechanized harvesting system in which trees are delimbed and cut to length directly at the stump. [1] CTL is typically a two-man, two-machine operation with a harvester felling, delimbing, and bucking trees and a forwarder transporting the logs from the felling to a landing area close to a road accessible by ...

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