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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:: ) to over 550 ft3/ac/yr (controls age 23). Evaluation of volume, diameter, and basal area growth

Creator:: Beuter, John H., Handy, Jeffrey King, and Oregon State University. Forest Research Laboratory
Abstract:: Some of the world's most productive timberland lies on the slopes of the coastal range in Oregon and Washington. More than one-half of the commercial forest land in that area is estimated as high site quality for Douglas-fir, with a site index of 140 or better. But much of this...
Resource Type:: Technical Report
Full Text:: described as present net worth (PNW), a one-crop outlook, and capitalized value (CAP), an infinite outlook

Creator:: Dippon, Duane R., Tedder, Philip L., and Oregon State University. Forest Research Laboratory
Abstract:: A model consisting of a linked series of equations is presented for estimating the future effect of various intensities of forest management on the economy of a region. The model, in conjunction with the most recent inventory of the USDA Forest Service, is then applied to data from Douglas County,...
Resource Type:: Technical Report
Full Text:: conversion - - - - - - 1980 $/acre - - - - - - - - National Forests Siuslaw 450 515 110 65 550 Willamette

Creator:: Oregon State University. Forest Research Laboratory and Resch, Helmuth
Resource Type:: Other
Full Text:: 22.2 8.5 2.8 Jacobs 1978 Northwest 554 1,113 50.0 8.6 3.5 Mei 1979 WASHINGTON Southwest 550 1,318 55.0

Creator:: Hobbs, Stephen D. and Oregon State University. Forest Research Laboratory
Abstract:: Two-year-old Douglas-fir bareroot seedlings were hoe- and auger-planted on droughty south and southwest aspects in southwest Oregon. After 2 years, no differences in height, diameter, or seedling biomass could be detected. Auger-planted seedlings survived significantly better on the southwest aspect.
Resource Type:: Technical Report
Full Text:: ., long. 123° 35' W) were selected for the study. Both sites have an average 550-m ele- vation. The first

Creator:: Tedder, Philip L., Schmidt, James S., Gourley, Jonna, and Oregon State University. Forest Research Laboratory
Full Text:: (Fig. 22) STMs 280 and 330 (Fig. 23) STMs 390, 420, and 430 (Fig. 24) STMs 480, 510, and 550 (Fig. 25

Creator:: Oregon State University. Forest Research Laboratory, Conard, Susan G., and Emmingham, William H.
Resource Type:: Technical Report
Full Text:: success reported thus far has been in August and September. 6 SPRAY MIXTURE: MSMA (Sil- visar® 550

Creator:: Overholser, James L. and Oregon State University. Forest Research Laboratory
Abstract:: This report summarizes published information on Oregon hardwoods. Discussions of the trees and their woods include strength properties; appearance; gluability; machinability; steam bending; seasoning; treatability and durability; and special products.
Resource Type:: Technical Report
Full Text:: , Resource Bulletin PNW-72, Pac. N.W. For. and Range Exp. Sta., 29 p., 1977 6 Table 3. ESTIMATED NET

Creator:: Dykstra, Dennis P. and Oregon State University. Forest Research Laboratory
Abstract:: This report describes initial results of a yarding time study for the Pansy Basin Study, a cooperative research project designed to test the performance of skylines, balloons, and helicopters operating under various conditions of timber and terrain, and over a range of silvicultural and landscape design prescriptions. Observations during the...
Resource Type:: Technical Report
Full Text:: at 6.2 pounds per gallon) . . . . . . . 550 Pilot and copilot at 200 pounds each

Creator:: Loucks, Donna M., Knowe, Steven A. (Steven Alan), 1954-, Shainsky, Lauri J., Pancheco, Alex A., and Oregon State University. Forest Research Laboratory
Abstract:: This annotated bibliography was compiled to provide a comprehensive list of sources on the ecological factors that affect forest regeneration. Abstracts from 494 publications are indexed by author, species, and subject, and are arranged into 4 major sections. Topics include the effects of biotic factors, abiotic factors, and stand and...
Resource Type:: Technical Report
Full Text:: . Research Note PNW-400. 17 p. On clearcut areas northwest of Grants Pass, Or- egon, increases in solar

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