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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 1586-1605 of 2397

Particle board from Douglas-fir bark : without additives

Burrows, Charles Henry; Oregon Forest Research Center (Corvallis, Or. : Oregon Forest Research Center, 1960)
Pathogenicity to Douglas-fir of Ophiostoma pseudotsugae and Leptographium abietinum, fungi associated with the Douglas-fir beetle

Ross, Darrell W.; Solheim, Halvor (NRC Canada, 1997-01)

Pole-size Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) were inoculated with two fungi (Ophiostoma pseudotsugae (Rumb.) von Arx and Leptographium abietinum (Peck) Wingf.) associated with the Douglas-fir beetle (Dend ...
A pathological survey of the Peavy arboretum

Kimmey, James William (1932)
Patterns in understory vegetation communities across canopy gaps in young, Douglas-fir forests of western Oregon

Fahey, Robert T. (2006-01-30)

Canopy gap formation is a major factor contributing to maintenance of overstory species diversity and stand structure in forests and may be integral to development of understory shrub and herb layers as well. Acknowledge ...
Patterns of crown damage within a large wildfire in the Klamath-Siskiyou bioregion

Thompson, Jonathan R. (2008-07-21)

The 2002 Biscuit Fire burned through more than 200,000 ha of mixed conifer/ evergreen hardwood forests in southwestern Oregon and northwestern California. The remarkable size of the fire and the diversity of conditions ...
Patterns of fungal attack in wood-plastic composites following exposure in a soil block test

Mankowski, Mark; Morrell, Jeffrey J. (Society of Wood Science and Technology, 2000-07)

The ability of white and brown rot fungi to colonize wood-plastic composites was investigated by measuring weight loss and anatomical changes. Three composite materials were evaluated. The material containing a 70/30 woo ...
Patterns of genetic variation within and among breeding zones of Douglas-fir in southwest Oregon

Loopstra, Carol Anne (1984-02-03)

Three hundred fifty families from 11 breeding zones in southwest Oregon were grown in a common garden in Corvallis, Oregon, and patterns of genetic variation for seed weight and six first-year seedling characteristics we ...
Patterns of growth and seasonal changes in the concentrations of abscisic acid and indoleacetic acid in roots of western hemlock

Brown, Charles Joseph (1976-12-15)

The capacity for root growth and concentration of indole-3-acetic acid and abscisic acid in the roots of western hemlock seedlings was investigated. The root regenerating capacity (RRC) was defined as the increase in roo ...
Patterns of nitrogen fluxes in watersheds of the H.J. Andrews Experimental Forest, OR.

Vanderbilt, Kristin Lynn, 1967- (2000-08-31)

Seasonal and annual patterns of N fluxes and concentrations in streamwater in six conifer-dominated watersheds at the H.J. Andrews Experimental Forest, OR, were studied to gain insight into the factors that influence N ...
Patterns of soil organic matter and microclimate accompanying the death and regeneration of a mountain hemlock (Tsuga mertensiana ) forest

Boone, Richard D. (1982-07-30)

Soil organic matter levels, soil temperature and moisture, and vegetation properties were measured along a sequence of death and regeneration in a mountain hemlock (Tsuga mertensiana) forest. The sequence is produced by ...
Patterns of stem respiration within tree, with age, and among species in Pacific Northwest trees

Pruyn, Michele Lynn (2002-06-17)

An increment core-based, laboratory method was used to measure tissue-level respiration under controlled temperature (termed respiratory potential) of eleven tree species from three age classes. Respiratory potential was ...
Patterns of tree establishment and vegetation composition in relation to climate and topography of a subalpine meadow landscape, Jefferson Park, Oregon, USA

Zald, Harold Samuel James (2010-03-09)

The forest alpine tundra ecotone (FTE, also known as alpine treeline or subalpine parkland), is a conspicuous feature of mountain landscapes throughout the world. Climate change-driven increases in temperature are believ ...
Patterns of xylem variation within a tree and their hydraulic and mechanical consequences

Gartner, B. L. (Academic Press, 1995)

Xylem is nonuniform in its structure and function throughout the plant stem. Xylem structure varies from pith to bark, from root to apical meristem, from stem to branch, at nodes vs internodes, and at junctions of branc ...
Paul M. Dunn: biographical sketch and story of the adair tract Benton County, Oregon

Dunn, Paul M.; Jackson, Royal G.; Lee, Jennifer A.; Oregon State University. College of Forestry; Horner Museum; OSU Research Forests (Corvallis, Or. : OSU Research Forests, Oregon State University, 1990)
Payload analysis for the North Bend, South Bend, and modified North Bend skyline logging systems

Woodruff, William C. (1984-06-19)

The North Bend skyline system was first introduced into the Pacific Northwest in 1912 by the North Bend Lumber Company, North Bend, Washington. The system was able to raise the front end of logs over obstacles while yard ...
Pendulum balloon logging system : dynamic model

Beary, Gregory L. (1983-11-17)

The purpose of this paper is to determine the dynamic tensions that occur in the guyl ines and pendulum lines of a tethered logging bal loon. A scale model was used to represent the tethered logging balloon. During t ...
People in the forests : interactions between community and forest health in Wallowa County

Kelly, Erin Clover (2005-12-05)

Forests of the Inland West have been experiencing forest health problems arising from over a hundred years of fire suppression, logging, grazing, and mismanagement. Rural communities, meanwhile, have seen escalating u ...
Perceived objectives and values of the forest service long term training program in systematic analysis

Miller, Larry (1986-06-06)
Performance analysis of the hardware and software components of an optical scanning system for monitoring lumber sizes

Leavengood, Scott A. (1994-05-26)

In recent years, the forest products industry has been forced to cope with a supply of raw material that is declining in both quality and quantity. In addition, log prices are escalating rapidly. Because log costs may ...
Performance of antisapstain compounds on kiln-dried Douglas-fir and hem-fir lumber subjected to rewetting

Melencion, Neil; Morrell, J.J. (Forest Products Society, 2007-09)

Mold and stain fungi can be easily controlled by kiln-drying, but even this material can be rewetted during shipping and storage, allowing fungi to colonize the wood. The potential for using surface spray treatments with ...