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Decay of Engelmann spruce in the Blue Mountains of Oregon and Washington.Author(s): Paul E. Aho
Source: Res. Pap. PNW-RP-116. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 21 p
Publication Series: Research Paper (RP)
Station: Pacific Northwest Research Station
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DescriptionA total of 292 Engelmann spruce were dissected and examined for decay and other defects in seven areas in the Blue Mountains of southeastern Washington and northeastern Oregon. Decay on a cubic-foot basis was 3.3 percent for pole trees and 5.4 percent for sawtimber. Defect loss in sawtimber spruce amounted to nearly 12 percent of the gross merchantable board-foot volume. Decay varied among study areas and could not be explained on the basis of age differences.
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CitationAho, Paul E. 1971. Decay of Engelmann spruce in the Blue Mountains of Oregon and Washington. Res. Pap. PNW-RP-116. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 21 p
Keywordsdecay fungi (wood), defect indicators (wood quality), fungi (forest damage)
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