Results after 20 years from a western larch levels-of-growing-stock study.Author(s): K.W. Seidel
Source: Res. Pap. PNW-RP-387. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 18 p
Publication Series: Research Paper (RP)
Station: Pacific Northwest Research Station
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DescriptionThe 20-year growth response from a levels-of-growing-stock study in an even-aged western larch stand in eastern Oregon, first thinned at age 33, showed that trees growing at low stand densities grew more rapidly in diameter than trees in high-density plots. Height growth was relatively uniform among density levels. Both basal-area and total cubic-volume increment increased as stand density increased. Despite the large reduction in volume increment at the low densities, most of the wood is concentrated on a few, fast-growing trees that can reach usable size sooner than slow-growing trees in high-density plots.
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CitationSeidel, K.W. 1987. Results after 20 years from a western larch levels-of-growing-stock study. Res. Pap. PNW-RP-387. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 18 p
KeywordsIncrement (stand volume), even-aged stands, stand density, thinning effects, growing stock (increment/yield), western larch, Larix occidentalis
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