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Creator:: Kellogg, L. D. (Loren D.) and Oregon State University. Forest Research Laboratory
Abstract:: The Forest Engineering Department, Oregon State University, has evaluated several systems for thinning young timber stands on steep terrain. Stands averaged 35 to 40 years old and 25.4 to 35.6 cm (10-14 in.) dbh. Approximately 40 percent of the stems per hectare were removed in the thinning operations. This paper...
Resource Type:: Technical Report
Full Text:: .2 COMPACT INNING YOUNG TIMBER STANDS MOUNTAINOUS TERRAIN . KELLOGG II fOREli RElEARCH LAS ,i

Creator:: Kellogg, L. D. (Loren D.), Spong, Ben, and Oregon State University. Forest Research Laboratory
Abstract:: Young Douglas-fir stands were commercially thinned to achieve vegetation- and wildlife-related objectives. Harvesting and forwarding production and costs were compared among three mechanized thinning treatments: light thin [(115 residual trees per acre (tpa)], light thin with 0.5-ac openings (92 residual tpa), and heavy thin (53 residual tpa). The sites were...
Resource Type:: Technical Report
Full Text:: t r i b u t i o n 4 7 F o r e s t R e s e a r c h L a b o r a t o r y PRODUCTION AND COSTS OF

Creator:: Kangur, Rudolf and Oregon State University. Forest Research Laboratory
Abstract:: Data collected from permanent sample plots at medium and high elevations in Oregon's coastal forest clearly indicate that snow damage adversely influences stand development. Sapling stands of western hemlock and Douglas-fir were subjected to severe snow damage above 1,000 feet in the early parts of 1965 and 1966 and above...
Resource Type:: Technical Report
Full Text:: Young Northern Hardwoods--and Rapid Recovery." J. Forestry 64(l):16-18.1966. 2. Chladek, G. "Stresses

Creator:: Kellogg, L. D. (Loren D.), Davis, Chad T. (Chad Thomas), and Oregon State University. Forest Research Laboratory
Abstract:: Harvesting productivity rates and costs were determined for three silvicultural treatments used in commercial ground-based thinning of young stands to achieve timber management objectives and enhance wildlife habitat. Treatment definitions were based on residual trees per acre (tpa) after thinning. The treatments were light thin (115 residual tpa), light thin...
Resource Type:: Technical Report
Full Text:: i o n 4 8 F o r e s t R e s e a r c h L a b o r a t o r y TracTor Thinning ProducTiviTy and

Creator:: Kellogg, L. D. (Loren D.), Milota, Ginger, Stringham, Bennett, and Oregon State University. Forest Research Laboratory
Abstract:: Logging planning and layout costs were examined for commercial thinning of 40- to 50-yr-old stands of Douglas-fir on the Willamette National Forest in the Cascade Mountains of Oregon. The study consisted of four replications of three silvicultural treatments. Thinning involved three types of logging systems: mechanized cut-to-length (a combination of...
Resource Type:: Technical Report
Full Text:: from thE WiLLamEttE young stand ProjECt by Loren D. Kellogg Ginger V. Milota Ben Stringham The

Creator:: Kellogg, L. D. (Loren D.), Miller, Mark E., Olsen, Eldon D., and Oregon State University. Forest Research Laboratory
Abstract:: Production rates and costs for skyline harvesting were examined over a range of residual thinning intensities, operational methods, and sites. The sites included three stands of 40- to 50-yr-old Douglas-fir on the Willamette National Forest in the Cascade Mountains of Oregon. Three silvicultural treatments were studied at two sites, and...
Resource Type:: Technical Report
Full Text:: : EXPERIENCE FROM THE WILLAMETTE YOUNG STAND PROJECT By Loren D Kellogg Mark Miller, Jr Eldon D Olsen

Creator:: Berg, Alan B. and Oregon State University. Forest Research Laboratory
Abstract:: This bibliography lists selected references useful to the forester in managing young forests in the Douglas-fir region. The references pertain to those management activities that are carried on in the forest from stand regeneration until final harvest. Emphasis is on silvicultural, operational, and economic aspects of management, but social and...
Resource Type:: Technical Report
Full Text:: six study areas installed since 1961 in young stands are also summarized. WILLIAMSON, R. L. and G. R

Creator:: Faqir Mohammad Khan, Bell, John F., Berg, Alan B., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: University L No. 59 °:. r st Research i. ;s a; Lf ,.)1 t i l i7 ESTIMATING DIAMETER INSIDE BARK AT VARIOUS

Creator:: Tappeiner, J. C. (John C.), Bell, John F., Brodie, J. Douglas (John Douglas), 1938-, and Oregon State University. Forest Research Laboratory
Abstract:: A 20-year-old Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] stand in the Oregon Coast Range was thinned from about 1,700 to about 350 trees/ac. Subsequent thinnings, under eight different regimes, occurred at ages 23, 27, 30, and 32. Average net periodic cubic-volume growth was strongly influenced by thinning regime, varying from about...
Resource Type:: Technical Report
Full Text:: RESEARCH BULLETIN 38 JULY 1982 RESPONSE OF YOUNG

Creator:: McKimmy, Milford D., Ching, K. K., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: s_ 9aeee4 of Branch and Bole Wood in Young Douglas Fir Report

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