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Browsing College of Forestry/Oregon Forest Research Laboratory (FRL) by Title

Browsing College of Forestry/Oregon Forest Research Laboratory (FRL) by Title

Now showing items 423-442 of 2406

Damage from laminated root rot at the Black Rock Forest management research area in western Oregon

Lawson, Thomas T.; Berg, Alan B.; Hansen, Everett M.; Oregon State University. Forest Research Laboratory (Corvallis, Or. : Oregon State University, School of Forestry, 1983-09)
Damage to regeneration during shelterwood overstory removal on steep terrain : a case study

Tesch, Steven D.; Oregon State University. Forest Research Laboratory (Corvallis, OR : Oregon State University, College of Forestry, 1986-03)
Damage to the residual stand due to skyline yarding

Burditt, Audrey Lynn (1981-05-29)

The use of partial cutting in the western conifers has become popular in the last decade. This has resulted in an increase in the amount of damage to the residual stand due to skyline logging. The purpose of this stud ...
Damage to West coast wood structures by decay fungi, insects, and marine borers

Oregon State University. Forest Research Laboratory; Scheffer, T. C. (Corvallis, Or. : Forest Research Lab, College of Forestry, Oregon State University, 1991-11)
Damage to young Douglas-fir stands from commercial thinning with various timber harvesting systems and silvicultural prescriptions : characteristics, sampling strategy for assessment and future value loss

Han, Han-Sup, 1961- (1997-12-15)

Understanding the impact of thinning on residual stands helps forest managers achieve management objectives associated with sustainability and quality control. Stand damage control becomes more critical as thinning presc ...
Database development and application to characterize juvenile Douglas-fir (Pseudotsuga menziesii [Mirb] and understory vegetation in the Oregon and Washington Coast Range Mountains

Shula, Robert G. (1998-01-26)

The Regional Vegetation Management Model (RVMM) predicts the effects of associated vegetation on the growth and yield of young Douglas-fir (age [less than or equal to] 20 years) in the Pacific Northwest, and is a 'front- ...
Date of earlywood-latewood transition in provenances and families of loblolly pine, and its relationship to growth phenology and juvenile wood specific gravity

Jayawickrama, K. J. S.; McKeand, S. E.; Jett, J. B.; Wheeler, E. A. (NRC Canada, 1997-07)

When grown together in plantations, fast-growing southern and coastal sources of loblolly pine (Pinus taeda L.)often have lower wood specific gravity than northern and inland sources. This study investigated whether this ...
Date of lifting for survival of Douglas-fir seedlings

Lavender, Denis P.; Oregon State University. Forest Research Laboratory (Corvallis : Forest Research Laboratoy, Oregon State University, 1964-09)
Dead fuels and understory vegetation six years after a large mixed-severity wildfire in southwest Oregon

Nathanson, Amy (2011-06-08)

Though the mixed-evergreen forests of the Klamath Siskiyous have a long history of large, mixed-severity fires, most research in this region has concentrated on the impacts of high-severity fire. Knowledge of the ecologi ...
Dead wood dynamics and relationships to biophysical factors, forest history, ownership, and management practices in the Coastal Province of Oregon, USA

Kennedy, Rebecca S.H. (2005-06-01)

Dead wood patterns and dynamics vary with biophysical factors, disturbance history, ownership, and management practices. Through field and modeling studies, I examined the current and potential future amounts of dead woo ...
Debris flow characteristics associated with forest practices in the central Oregon Coast Range

May, Christine L. (1998-09-30)

Debris flows in the Pacific Northwest play a major role in routing wood and sediment stored on hillslopes and in first- through third-order channels to higher order channels and valley floors. Forest practices on steep ...
Debris flows and flood disturbance in small, mountain watersheds

Snyder, Kai U. (2000-07-12)

This study examined debris flows occurring in a 125 km² study area in the Blue River watershed in the western Cascade Mountains of Oregon over a 50-year period. Debris flow occurrence was found to be concentrated in a ...
Decay resistance of saltwater-exposed Douglas-fir piles

Schneider, Philip F.; Freitag, Camille M.; Morrell, Jeffrey J. (Society of Wood Science and Technology, 1997-10)

Wood that is submerged in fresh water for long periods has increased permeability and other changed properties. Wood that is submerged in salt water may absorb considerable quantities of salts, which may render the wood ...
Decision guides for forest practice laws in Oregon

Klemperer, William David (1971-04-23)

Spawned by the current interest in revising Oregon's Forest Conservation Act, this study defines the forestry regulation problem and outlines theoretical approaches to its solution. Unregulated private forestry is fou ...
A decision support system for mechanized harvesting

Steffert, Alan H. (1992-03-18)

When considering a mechanized harvesting operation, the harvest planner or researcher is faced with a multitude of modern equipment choices. A decision support system (DSS) is presented to assist in selecting the appr ...
Decision support systems for forest biodiversity management : a review of tools and an analytical-deliberative framework for understanding their successful application

Gordon, Sean N. (2006-07-24)

The complexity of forest management has increased with the scope of resources of concern and the level of scrutiny from stakeholders. The design and use of specialized computer software, often referred to as “decision s ...
Decomposition and nitrogen dynamics of red alder and Douglas-fir leaf litter in Oregon Coast Range riparian forests

Matkins, Joselin (2009-03-19)

I examined factors regulating decomposition rates of red alder (Alnus rubra)) and Douglas-fir (Pseudotsuga menziesii) leaf litter in Coast Range riparian areas in western Oregon. Overall, this study was designed to exam ...
Decomposition and nitrogen release from decomposing woody roots in coniferous forests of the Pacific Northwest: a chronosequence approach

Chen, Hua; Harmon, Mark E.; Griffiths, Robert P. (NRC Canada, 2001)

Decomposition of woody roots in Sitka spruce (Picea sitchensis (Bong.) Carrière), Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), and ponderosa pine (Pinus ponderosa P. Laws. ex C. Laws.) dominated forests in Oregon, ...
Decomposition of Basamid in Douglas-fir heartwood

Forsyth, Paul Griffin (1993-08-27)

Basamid^R (3,5-dimethy1-1,3,5,2H-tetrahydrothiadiazine- 2-thione) is a crystalline powder used as a soil sterilant. This fumigant acts in soil by decomposing to methylisothiocyanate (MITC), the primary active ingredie ...
Decomposition of Basamid in Douglas-fir heartwood: Laboratory studies of a potential wood fumigant

Forsyth, Paul G.; Morrell, Jeffrey J. (Society of Wood Science and Technology, 1995-04)

Basamid (3,5-dimethyl-l,3,5,2H-tetrahydrothiadiazine-2-thione), a crystalline powder first used as a soil sterilant, has shown promise as a wood fumigant. This chemical decomposes to methylisothiocyanate (MITC), the prim ...