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Mammoth lakes revisited—50 years after a Douglas-fir tussock moth outbreak.Author(s): Boyd E. Wickman; G. Lynn Starr
Source: Res. Note. PNW-RN-498. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 8 p
Publication Series: Research Note (RN)
Station: Pacific Northwest Research Station
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DescriptionFor five decades after an outbreak of Douglas-fir tussock moth (Orgyia pseudotsugata (McDunnough)), radial growth of defoliated white fir trees (Abies concolor (Gord. & Glend.) Lindl.), was significantly greater than that of nondefoliated host trees nearby. The increased growth probably was due to the thinning effect of tree mortality and increased nutrient availability.
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CitationWickman, Boyd E.; Starr, G. Lynn 1990. Mammoth lakes revisited—50 years after a Douglas-fir tussock moth outbreak. Res. Note. PNW-RN-498. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 8 p
KeywordsDouglas-fir tussock moth, white fir, tree growth
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