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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 ...
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 ...
Forest inventory is the systematic collection of data and forest information for assessment or analysis. An estimate of the value and possible uses of timber is an important part of the broader information required to sustain ecosystems. [1]
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 ...
"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
NCSU Inside Wood project Reproduction of The American Woods: exhibited by actual specimens and with copious explanatory text by Romeyn B. Hough US Forest Products Laboratory, "Characteristics and Availability of Commercially Important Wood" from the Wood Handbook Archived 2021-01-18 at the Wayback Machine PDF 916K
Irregular shelterwood systems retain the trees left during the establishment cut for an extended period of time resulting in an uneven-aged stand with trees of multiple ages. [11] It maybe done to get additional growth on the oldest trees to get extra-large diameters for wood . [ 9 ]
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.