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Comparison Of Western Spruce Budworm Populations And Damage On Grand Fir And Douglas Fir Trees
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Book Synopsis Comparison of Western Spruce Budworm Populations and Damage on Grand Fir and Douglas-fir Trees by : Valentine M. Carolin
Download or read book Comparison of Western Spruce Budworm Populations and Damage on Grand Fir and Douglas-fir Trees written by Valentine M. Carolin and published by . This book was released on 1975 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of Western Spruce Budworm Populations and Damage on Grand Fir and Douglas-Fir Trees (Classic Reprint) by : V. M. Carolin
Download or read book Comparison of Western Spruce Budworm Populations and Damage on Grand Fir and Douglas-Fir Trees (Classic Reprint) written by V. M. Carolin and published by Forgotten Books. This book was released on 2017-11-18 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Comparison of Western Spruce Budworm Populations and Damage on Grand Fir and Douglas-Fir Trees Pap. Pnw - l95, 16 p. Illus. Pacific Northwest Forest and Range Experiment Station, Portland, Oregon. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Sampling Populations of Western Spruce Budworm and Predicting Defoliation on Douglas-fir in Eastern Oregon by : Valentine M. Carolin
Download or read book Sampling Populations of Western Spruce Budworm and Predicting Defoliation on Douglas-fir in Eastern Oregon written by Valentine M. Carolin and published by . This book was released on 1972 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Managing Trees and Stands Susceptible to Western Spruce Budworm by : Martha H. Brookes
Download or read book Managing Trees and Stands Susceptible to Western Spruce Budworm written by Martha H. Brookes and published by . This book was released on 1985 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Differential Defoliation of Neighboring Douglas-fir Trees by Western Spruce Budworm by : Geral I. McDonald
Download or read book Differential Defoliation of Neighboring Douglas-fir Trees by Western Spruce Budworm written by Geral I. McDonald and published by . This book was released on 1981 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resistance of Douglas-fir to Western Spruce Budworm by : Geral I. McDonald
Download or read book Resistance of Douglas-fir to Western Spruce Budworm written by Geral I. McDonald and published by . This book was released on 1979 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stem Volume Losses in Grand Firs Topkilled by Western Spruce Budworm in Idaho by : George T. Ferrell
Download or read book Stem Volume Losses in Grand Firs Topkilled by Western Spruce Budworm in Idaho written by George T. Ferrell and published by . This book was released on 1982 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mature grand firs (Abies grandis [Dougl. ex D. Don] Lindl.) were sampled in two stands, one cutover and one virgin, in the Little Salmon River drainage in west-central Idaho, to estimate stem volume losses associated with topkilling. Damage to the stands resulted from three outbreaks of western spruce budworm (Choristoneura occidentalis Freeman) in 1922-30, 1952-55, and 1969-78. Stems of the firs were dissected and examined for reductions in height and radial growth, stem deformities, and decay associated with topkills. Merchantable volume losses (to a minimum 4-inch diameter top) were calculated for each outbreak. Greatest volume loss was associated with tops killed by the 1922-30 outbreak. Loss varied widely among the trees and stands sampled. In the cutover stand, which received a sanitation cutting in the late 1960's, firs topkilled by the 1922-30 outbreak averaged losses of 9.5 ft3 (0.3 m3), amounting to 11.1 percent of merchantable stem volume. In the vigin stand, losses averaged 26.3 ft3 (0.3 m3) or 20.5 percent of stem volume. Topkill-associated decays, caused mainly by Indian paint fungus (Echinodontium tinctorium Ell. and Ev.) were responsible for most of this loss. Smaller volume losses were recorded in firs topkilled by the 1952-55 outbreak. Losses per tree averaged 3.3 ft3 (0.1 m3) or 5.4 percent in the cutover stand, and 0.5 ft3 (0.02 m3) or 0.3 percent in the virgin stand. These losses resulted mainly from height growth reductions rather than decay. No merchantable volume losses were recorded for the 1969-78 outbreak.
Book Synopsis Losses Associated with Douglas-fir and True Fir Tops Killed by Western Spruce Budworm in Eastern Washington by : Paul E. Aho
Download or read book Losses Associated with Douglas-fir and True Fir Tops Killed by Western Spruce Budworm in Eastern Washington written by Paul E. Aho and published by . This book was released on 1984 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis USDA Forest Service Research Paper PNW. by :
Download or read book USDA Forest Service Research Paper PNW. written by and published by . This book was released on 1974 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Population Density of Western Spruce Budworm as Related to Stand Characteristics in the Bitterroot National Forest by : Carroll B. Williams
Download or read book Population Density of Western Spruce Budworm as Related to Stand Characteristics in the Bitterroot National Forest written by Carroll B. Williams and published by . This book was released on 1971 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Western Spruce Budworm on Douglas-fir Cone Production in Western Montana by : Allen B. Chrisman
Download or read book Effect of Western Spruce Budworm on Douglas-fir Cone Production in Western Montana written by Allen B. Chrisman and published by . This book was released on 1983 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Distribution of Western Spruce Budworm Egg Masses on White Fir and Douglas-fir by : J. M. Schmid
Download or read book Distribution of Western Spruce Budworm Egg Masses on White Fir and Douglas-fir written by J. M. Schmid and published by . This book was released on 1982 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Historical Patterns of Western Spruce Budworm and Douglas-fir Tussock Moth Outbreaks in the Northern Blue Mountains, Oregon, Since A.D. 1700 by :
Download or read book Historical Patterns of Western Spruce Budworm and Douglas-fir Tussock Moth Outbreaks in the Northern Blue Mountains, Oregon, Since A.D. 1700 written by and published by . This book was released on 1995 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Impact of Defoliation by the Spruce Budworm on the Growth, Specific Gravity and Competitive Abilities of Three Tree Species in Northeastern Oregon by : Carroll Burns Williams
Download or read book The Impact of Defoliation by the Spruce Budworm on the Growth, Specific Gravity and Competitive Abilities of Three Tree Species in Northeastern Oregon written by Carroll Burns Williams and published by . This book was released on 1963 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Case History of Population Change in a Bacillus Thuringiensis-treated Vs. an Untreated Outbreak of the Western Spruce Budworm by : Richard R. Mason
Download or read book Case History of Population Change in a Bacillus Thuringiensis-treated Vs. an Untreated Outbreak of the Western Spruce Budworm written by Richard R. Mason and published by . This book was released on 1996 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Foliage Dynamics and Tree Damage Components of the Western Spruce Budworm Modeling System by : Nicholas L. Crookston
Download or read book Foliage Dynamics and Tree Damage Components of the Western Spruce Budworm Modeling System written by Nicholas L. Crookston and published by . This book was released on 1991 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Western Spruce Budworm Egg Mass Dimensions by : Richard Irvin Washburn
Download or read book Western Spruce Budworm Egg Mass Dimensions written by Richard Irvin Washburn and published by . This book was released on 1973 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
