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- Browsing Theses, Dissertations and Student Research Papers (School of Forestry, pre - 1984) by Title
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Browsing Theses, Dissertations and Student Research Papers (School of Forestry, pre - 1984) by Title
Now showing items 1-20 of 530
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(1975-08-08)Wood degrading ability and tolerance to wood-preserving chemicals of several fungi isolated from Douglas-fir utility poles were investigated by the agar-stick and soil-block methods. Birch (Betula. sp. ) wood sticks a ...
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(1977-09-19)Foliage of Douglas-fir seedlings [Pseudotsuga menziesii (Mirb.) Franco] from two contrasting environments was sampled during progressive stages of two consecutive cycles of induced drought for leaf resistance, plant wate ...
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(1940-06)
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(1952-05-13)There are approximately 4,000,000 acres of cut-over and burned-over land in western Washington and Oregon which are either non-stocked or unsatisfactorily stocked with young forest growth. This brings about a great need ...
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(1983-04-19)Comparisons were made between anthraquinone modified soda pulp (soda-AQ), and methanol modified kraft (kraft-Me0H) and sulfite (sulfite-Me0H) pulps on western Oregon Douglas-fir. The kappa number, yield, brightness, and ...
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(1973-07-24)Clearcutting is a sound silvicultural practice when exercised in the proper environmental location. Foresters have learned through bitter experience that clearcutting Douglas-fir forests, located on droughty south-fac ...
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An analysis of design and technique of cluster point sampling in coastal Alaska old-growth forests (1967-06-00)This study was a test of eight basal area factors and five point sampling cluster patterns in a computer oriented sampling study of coastal Alaska old-growth spruce-hemlock stands. It was an attempt to learn which bas ...
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(1982-00-00)In this paper, a catenary analysis of static skyline, mainline and haulback cable tensions just prior to an unsuccessful attempt by a carriage to pass an intermediate support jack is presented. Field tests were conduc ...
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(1977-00)Road changing i.s the activity of moving operating lines on a cable yarding operation to permit access to logs in an unyarded portion of a logging unit. The time required to perform this activity varies widely and may ...
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(1964-06)The purpose of this thesis was to investigate the use of weights in least squares regression volume table construction and thereby to determine the importance of the assumption of homogeniety of tree volume variance. Sev ...
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(1975-12-12)The objectives of this study were to 1) characterize the layering in the wall of the Douglas-fir (Pseudotsuga. menziesii (Mirb. ) Franco) phellem cell, 2) determine the pitting present in this cell wall and 3) determine ...
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(1966-04-20)Two seed sources of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings were grown under several environments in controlled growth chambers and in a natural environment. All seedlings were grown for six month ...
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(1974-06-04)Sclereids are sclerenchyma cells having thick lignified secondary walls. Douglas-fir sclereids, also called bast fibers, are long (1 mm in length), sharply pointed, spindle-shaped fibers of a red-brown color. Sclereid ...
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(1977-03-16)Samples of Douglas-fir chips and western hemlock/true fir chips were pulped by the kraft and sulfite processes respectively. The spent liquors were analyzed for fluorescent response, and the fluorescent intensities of ea ...
Now showing items 1-20 of 530
