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Partial cutting of western hemlock and sitka spruce in southeast Alaska.Author(s): Wilbur A. Farr; A.S. Harris
Source: Res. Pap. PNW-RP-124. Portland, OR: U.S. Department of Agirculture, Forest Service, Pacific Northwest Research Station. 15 p
Publication Series: Research Paper (RP)
Station: Pacific Northwest Research Station
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DescriptionThis study of response to partial cutting over a 17-year period in a 96-year-old stand of western hemlock-Sitka spruce at Karta Bay, Alaska, showed that crop trees left after partial cutting were able to increase or maintain &out the same rate of diameter growth as before thinning, but growth in diameter of trees in an unthinned stand followed the norma2 pattern of decline.
Opening the stand stimulated epicormic branching, thus reducing quality of trees in the future. Partially cut plots became well stocked with conifer regeneration, mostly western hemlock.
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CitationFarr, Wilbur A.; Harris, A.S. 1971. Partial cutting of western hemlock and sitka spruce in southeast Alaska. Res. Pap. PNW-RP-124. Portland, OR: U.S. Department of Agirculture, Forest Service, Pacific Northwest Research Station. 15 p
Keywordsthinning, rotation age, western hemlock, Tsuga heterophylla, sitka spruce, Picea sitchensis
- Management of western Hemlock-sitka spruce forests for timber production.
- Growth and yield of sitka spruce and western hemlock at Cascade Head Experimental Forest, Oregon.
- Response of Sitka spruce and western hemlock to commercial thinning.
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