Index Catalog // ScholarsArchive@OSU

Pilot experiment of forest fertilization during an outbreak of the western spruce budworm in Northeastern Oregon

Creator:: Mason, Richard R., Wickman, B. E., Paul, H. G., and Torgersen, T. R.
Abstract:: Mixed-conifer stands of grand fir (Abies grandis (Dougl. ex D. Don) Lindl., Douglas-fir (Pseudotsuga menziesii var. glauca (Beissn.) Franco), and ponderosa pine (Pinus ponderosa Dougl. ex Laws.) were fertilized with nitrogen and combination treatments of nitrogen, phosphorus, potassium, and sulfur to test their effects on trees and associated insects during...
Resource Type:: Technical Report

Natural fertilization of a heavily thinned Douglas-fir stand by understory red alder

Creator:: Berg, Alan B., Doerksen, Allan, and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: RESEARCH NOTE No. 56 1975 School of Forestry Forest

Comparative effects of precommercial thinning, urea fertilizer, and red alder in a site 11, coast Douglas-fir plantation

Creator:: Miller, Richard E., Obermeyer, Edmund L., and Anderson, Harry William
Abstract:: The authors varied the number of red alder retained with 300 Douglas-fir per acre on a high-quality site in coastal Oregon. Alder densities of 0, 20, 40, and 80 per acre were tested. The authors' fifth treatment eliminated nitrogen-fixing alder, but substantial nitrogen fertilizer. Treatment 6 had neither thinning nor...
Resource Type:: Technical Report

Belowground carbon storage and soil organic matter quality following fertilizer and herbicide applications in ponderosa pine plantations along a site-quality gradient in northern California

Creator:: McFarlane, Karis J., 1979-
Abstract:: Belowground carbon (C) storage and quality of soil organic matter (SOM) in forest soils have implications for sustainable forest management and C sequestration, but how these pools change in response to management is poorly understood. I investigated whether fertilization and competing vegetation control, applied alone or in combination early in...
Resource Type:: Dissertation
Full Text:: Forest Enfineering presented on July 27,2007. Title: Belowmound Carbon Storage and Soil Organic

Burning Douglas-fir slash : physical, chemical, and microbial effects in the soil

Creator:: Neal, John Lloyd, Wright, Ernest, 1899-, Bollen, Walter Beno, 1896-, and Oregon State University. Forest Research Laboratory
Resource Type:: Research Paper
Full Text:: over by a forest fire than in soil from un- burned areas, except in soil where slash was burned

Influence of interplanted and pure stands of red alder (Alnus rubra Bong.) on microbial and chemical characteristics of a coastal forest soil in the Douglas-fir region

Creator:: Chen, Chi-sin
Abstract:: Chemical and microbial analyses were made at four seasonal intervals on soil horizons under red alder, conifers, and mixed alder-conifers at the Cascade Head Experimental Forest, established in 1937 by the U. S. Forest Service near Otis, Oregon. Microbial analyses showed that although plate counts of molds and bacteria fluctuated...
Resource Type:: Dissertation
Full Text:: .) ON MICROBIAL AND CHEMICAL CHARACTERISTICS OF A COASTAL FOREST SOIL IN THE DOUGIAS-FIR REGION by

Tree species-soils relationships in old-growth forests of the Oregon Coast Range

Creator:: Cross, Alison
Abstract:: Tree species directly and indirectly affect soil nutrient cycles. I sought to characterize soils and foliage associated with four common canopy tree species (Douglas-fir, western hemlock, western redcedar, and bigleaf maple) in mixed-species old-growth forests of the Oregon Coast Range and to determine whether and how soils differ among the...
Resource Type:: Masters Thesis
Full Text:: availability have implications for future forest and stream productivity. Species-specific data on soil

Soil carbon and nitrogen in old-growth forests in western Oregon and Washington

Creator:: Remillard, Suzanne Marie
Abstract:: Soil organic carbon (SOC, kg C m-2) is an important component in evaluating global C stores. The nitrogen (TN, kg N m"2) cycle is closely linked to C and understanding its role is also important. Contents and distributions of SOC and TN in soil profiles, to 1-meter depth, were estimated...
Resource Type:: Masters Thesis
Full Text:: for the degree of Master of Science in Forest Science presented on April 30, 1999. Title: Soil Carbon

An evaluation of four implements used to till compacted forest soils in the Pacific Northwest

Creator:: Andrus, Charles W., Froehlich, Henry A., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: compacted forest soils and presents alternative methods that alleviate soil compaction more effec- tively

Influence of red alder on fertility of a forest soil: microbial and chemical effects

Creator:: Bollen, Walter Beno, 1896- and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: a Forest Soil Microbial and Chemical Effects Walter B. Bollen, Professor, and Chi-Sin Chen

Soil and hydrologic factors affecting the stability of natural slopes in the Oregon Coast Range

Creator:: Harr, R. Dennis (Robert Dennis), 1941- and Yee, Carlton S.
Abstract:: The work upon which this publication is based was supported by funds provided by the United States Department of the Interior, Office of Water Research and Technology, as authorized under the Water Resources Research Act of 1964 and by the United States Department of Agriculture, Forest Service, Pacific Northwest Forest...
Resource Type:: Technical Report
Full Text:: Soil and Hydrologic . Factors Affecting the Stability o f Natural

The link between nitrogen cycling and soil microbial community composition in forest soils of western Oregon

Creator:: Boyle, Stephanie A.
Abstract:: The objectives of this thesis were to examine the links between soil microbial community composition and function using the nitrogen (N) cycle as a model for these interactions and to assess the impact of environmental factors such as microclimate, vegetation type, and nutrient availability on microbial diversity and N transformations...
Resource Type:: Dissertation
Full Text:: , W.H., 2006. Nitrogen fertilization decreases forest soil fungal and bacterial biomass in three long

Soils of the reference stands -- Oregon IBP

Creator:: Brown, R. B. (Randall Barber), Parsons, Roger Bruce, 1932-, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Field reconnaissance, soil sampling, and laboratory analyses were conducted to characterize the soils of the 50 by 50 meter forest community reference stand plots in and near the H. J. Andrews Experimental Forest. Soil descriptions, chemical and physical properties, soil classification, and nutrient capital information for mineral soils are summarized....
Resource Type:: Technical Report
Full Text:: near the H. J. Andrews Experimental Forest. Soil descriptions, chemical and physical properties, soil

Non-linear nitrogen dynamics and calcium depletion along a temperate forest soil nitrogen gradient

Creator:: Sinkhorn, Emily R.
Abstract:: Understanding how N availability influences base cation stores is critical for long-term ecosystem sustainability. Indices of nitrogen (N) availability and the distribution of nutrients in plant biomass, soil, and soil water were examined across ten young, unpolluted Douglas-fir (Pseudotsuga menziesii) stands in the Oregon Coast Range spanning a three-fold soil...
Resource Type:: Masters Thesis
Full Text:: Forest Soil Nitrogen Gradient. Abstract approved

Variation in communities of ammonia-oxidizing and denitrifying bacteria in Fennoscandian boreal forest soils

Creator:: Ghimire, Rama D.
Abstract:: The objective of this study was to examine the variation among ammonia-oxidizing and denitrifying communities in soils of a natural Fennoscandian boreal forest and of a forest with a long history of fertilization with different levels of nitrogen (N), and to examine whether there are any changes in the microbial...
Resource Type:: Masters Thesis
Full Text:: N fertilization increased the size of the AOB community in a forest soil (Compton et al., 2004). A

Soil compaction from low ground-pressure, torsion-suspension logging vehicles on three forest soils

Creator:: Froehlich, Henry A. and Oregon State University. Forest Research Laboratory
Abstract:: Monitoring soil density on three sites during repeated trips with a high-speed skidder showed that: During the first 20 trips, soil density primarily increased between depths of 2 to 4 inches; Density increased most during the first few trips; Density continued to increase slowly in amount and depth with the...
Resource Type:: Technical Report
Full Text:: high-speed steel-track skidder affected three types of forest soil. Results are compared with previous

Soil variability, Oregon IBP: Annual report 1972

Creator:: Brown, R. B. (Randall Barber), Parsons, Roger Bruce, 1932-, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Goals in 1972 included characterization of the soils of the Oregon IBP reference stands, development of information on the soils throughout the H. J. Andrews Experimental Forest, and evaluation of nutrient provision to the major kinds of soils. Field reconnaissance, soil morphology studies, and sampling were carried out. Lab analyses...
Resource Type:: Technical Report
Full Text:: INTERNAL REPORT 112 SOIL VARIABILITY, OREGON IBP

Response of soil microbial communities to physical and chemical disturbances: implications for soil quality and land use sustainability

Creator:: Chaer, Guilherme M.
Abstract:: The objectives of this thesis were to evaluate the responses of soil microbial communities to physical and chemical disturbances, and associate these responses with soil functional stability and changes in soil quality. The first study consisted of application of heat shocks (HS) to soils with contrasting land use history to...
Resource Type:: Dissertation
Full Text:: techniques. For example, 1 g of forest 3 soil can contain as many as 4000 different genetically

Movement of water through forested soils in steep topography

Creator:: Harr, R. Dennis (Robert Dennis), 1941-, Ranken, Darren W., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Field and laboratory studies are being conducted to describe the hydrologic properties of soil and to determine the timing pathway of precipitation and snowmelt water as it moved through forested soil on a steep slope. Hydrologic properties include hydraulic conductivity, porosity, pore-size distribution, moisture characteristics, stone content, and soil depth....
Resource Type:: Technical Report
Full Text:: . Roots were snipped and each soil core was trimmed Experimental Forest was selected for intensive study

Findley Lake soil temperature and soil moisture data, August 1972 - August 1973

Creator:: Singer, Michael J. (Michael John), 1945-, Ugolini, Fiorenzo C., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Data on soil temperature at two locations and five depths, tensiometer readings, and soil moisture release curves for the soils of Findley Lake are presented in this report.
Resource Type:: Technical Report
Full Text:: INTERNAL REPORT 73 FINDLEY LAKE SOIL TEMPERATURE AND

Variation in air and soil temperatures in forest communities on the H. J. Andrews Experimental Forest, 1970-1972

Creator:: Zobel, Donald B., McKee, Arthur, Hawk, Glenn M., Dyrness, C. T., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Air temperatures at i m and soil temperatures at 2C cm are reported for twenty-one forest stands in the central Western Cascader of Oregon. Records began in 1970 for some stands, in 1971 or 1972 for most. Temperature Growth Index for a stand, based on temperature effects on Douglas-fir seedling...
Resource Type:: Technical Report
Full Text:: temperatures at i m and soil temperatures at 2C cm are reported for twenty-one forest stands in the central

Soil weathering processes in the Findley Lake watershed

Creator:: Singer, Michael J. (Michael John), 1945-, Ugolini, Fiorenzo C., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: This is the annual report from the investigators responsible for soil characterization at the Findley Lake watershed. Soil characterization is complete for two soils and is in progress on six others. Site preparation for years 3 and 4 is complete except for lysimeter installation.
Resource Type:: Technical Report
Full Text:: INTERNAL REPORT 113 SOIL WEATHERING PROCESSES IN THE

Vegetation and soils of watersheds 2 and 3, H. J. Andrews Experimental Forest

Creator:: Hawk, Glenn M., Dyrness, C. T., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Early in the planning of the Coniferous Biome program It was recognized that experimental watersheds 2 and 3 in the H. J. Andrews Experimental Forest might provide ideal study sites for certain phases of the Biome program. A study was funded during year 1 (1970) to provide necessary background ecological...
Resource Type:: Technical Report
Full Text:: -13). SOILS OF WATERSHEDS 2 AND 3 H. J. ANDREWS EXPERIMENTAL FOREST Soil Map Legend Symbols on the

Four centuries of soil carbon and nitrogen change after severe fire in a Western Cascades forest landscape

Creator:: Giesen, Thomas William
Abstract:: Fire is a major disturbance process in many forests. Long-term studies of the biogeochemical effects of fires, especially on soils, are very rare. Consequently, long-term effects of fire on soils are often hypothesized from short-term effects. In a chronosequence study, I studied 24 western Cascades (Oregon) forest stands thought to...
Resource Type:: Masters Thesis
Full Text:: mineral soil than old stands. I found that forest floor N pools of old sites (average = 1,823 kg/ha

Procedures for chemical analyses of plant and soil samples, Oregon State University

Creator:: Noonan, L., Holcombe, Elly E., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Resource Type:: Technical Report
Full Text:: PLANT AND SOIL SAMPLES OREGON STATE UNIVERSITY L. Noonan and E. Holcombe Oregon State University

Ecological survey of fungi active in western coniferous forest soils

Creator:: Denison, William C., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: During Biome 1, our primary objective was identification of the dominant fungi involved in litter decomposition. Two survey methods were used: (1) a survey of macrofungi occurring on Watershed 2 based on fruiting bodies collected and cultures; and (2) a survey of microfungi on decomposing foliage based on cultures isolated...
Resource Type:: Technical Report
Full Text:: WESTERN CONIFEROUS FOREST SOILS W. C. Denison Oregon State University During Biome 1, our primary

Documentation for a combined carbon-water flow stand level coniferous forest model

Creator:: Swartzman, G. L. (Gordon L.), Sollins, P., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: The following report Introduces a documentation scheme for flow oriented ecosystem models and shows its application to a carbon-water model developed within the coniferous biome. This documentation scheme has remained operative through revision of this model and expansion of It to include nutrient flows. This model and subsequent versions are...
Resource Type:: Technical Report
Full Text:: -WATER FLOW STAND LEVEL CONIFEROUS FOREST MODEL G. SWARTZMAN & P. SOLLINS NOTICE: These internal

Nitrogen dynamics across silvicultural canopy gaps in young forests of western Oregon

Creator:: Thiel, Aaron L.
Abstract:: Silvicultural canopy gaps are emerging as an alternative management tool to accelerate development of complex forest structure in young, even-aged forests of the Pacific Northwest. I investigated patterns of nitrogen (N) availability along transects through 0.1 and 0.4 ha silvicultural gaps in three 50-70 year old Douglas-fir forests of western...
Resource Type:: Masters Thesis
Full Text:: forest floor and mineral soil and several factors related to N cycling were measured from November 2005

Reducing sediment production from forest roads during wet-weather use

Creator:: Toman, Elizabeth Myers
Abstract:: Forest roads produce fine sediment with traffic during wet weather. If the forest road is connected to a stream it can be a source of turbidity and fine sediment that may be detrimental to aquatic organisms especially salmonids. The goal of this work was to investigate turbid runoff during wet-weather...
Resource Type:: Dissertation
Full Text:: Forest Practice Rules and BMPs in the west." Water, Air, and Soil Pollution: Focus, 4(1), 143-169

Response of needle-litter decomposition and soil nitrogen mineralization to logging-debris manipulation and competing vegetation control in western Oregon and Washington

Creator:: Meehan, Nathan Andrew
Abstract:: Growing societal demand for forest products is pressuring managers to increase productivity from a finite land area, and it is expected that increased supply will come mostly from expansion of intensively managed stands. The USDA Forest Service and numerous collaborators created the Long-Term Soil Productivity (LTSP) network of research sites...
Resource Type:: Masters Thesis
Full Text:: Forest Engineering presented on March 17, 2006. Title: Response of Needle-Litter Decomposition and Soil

Vegetation and soils of the Hi-15 watersheds, H. J. Andrews Experimental Forest

Creator:: Dyrness, C. T., Hawk, Glenn M., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Early in the planning of the Coniferous Biome research program, it was recognized that Experimental Watersheds 6, 7, and 8 in the H. J. Andrews Experimental Forest might provide ideal study sites for certain phases of the Biome program. A study was funded during year 1 (1970) to provide necessary...
Resource Type:: Technical Report
Full Text:: . 1962. Soil Survey Map of the H. J. Andrews Experimental Forest. Scale, 4 in. = 1 mile). Four soil

A conceptual model of soil mass movement, surface soil erosion, and stream channel erosion processes

Creator:: Swanson, Frederick J. (Frederick John), 1943-, Swanston, Douglas N., Dyrness, C. T., Cromack, Kermit, Fredriksen, R. L., Moore, Duane G., Glenn, Leslie Fred, 1944-, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: The conceptual framework of an erosion model has been designed to link processes of mass wasting, surface erosion, and channel storage and transport. A program to stimulate mass wasting will be based on a variation of the factor of safety approach which balances forces tending to drive mass movement against...
Resource Type:: Technical Report
Full Text:: and state agencies such as the U. S. Forest Service, Bureau of Land Management, Soil Conservation

Soils and parent materials of Findley Lake, Snoqualmie National Forest, Washington

Creator:: Bockheim, James G., Ugolini, Fiorenzo C., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Findley Lake watershed is located in the Snoqualmie National Forest and has a surface area of 259 ha (1 Mi²). The lake is at an elevation of 1128 m (3701 ft) but the ridges attain elevations of 1450 m (4750 ft). The Cougar Mountain Formation, consisting of lava flows, conglomerate,...
Resource Type:: Technical Report
Full Text:: FINDLEY LAKE, SNOQUALMIE NATIONAL FOREST, WASHINGTON J. G. Bockhetm and F. C. Ugollni University of

Variation in plant moisture stress associated with forest communities in the H. J. Andrews Experimental Forest

Creator:: Zobel, Donald B., Hawk, Glenn M., McKee, W. Arthur, Dyrness, C. T., and U. S. International Biological Program. Coniferous Forest Biome
Abstract:: Measurement of plant moisture stress of 1-2 m understory conifers was made in "reference stands" on the H. J. Andrews Experimental Forest in 1970-1972. Maximum stress each year (measured between midnight and dawn) is closely correlated with the position of each community along one axis of an ordination of the...
Resource Type:: Technical Report
Full Text:: ASSOCIATED WITH FOREST COMMUNITIES IN THE H. J. ANDREWS EXPERIMENTAL FOREST Donald B. Zobel, Glenn M. Hawk

The effects of natural fire and recreational disturbance on montane forest ecosystem composition, structure and nitrogen dynamics, Crater Lake National Park, Oregon

Creator:: Wilson, John K. (John Kevin)
Abstract:: Disturbance, whether natural or of human origin, modifies to varying degrees many ecosystem attributes. Fire is a natural process in the montane forests of southern Oregon but for much of the 20th century fire was viewed as an apocalypse and thus fervently suppressed. Effective natural resource management requires an understanding...
Resource Type:: Dissertation
Full Text:: Cleve and J. D. Levison. 1989. The effect of wildfire on soil chemistry in four forest types in

Baseline stream chemistry and soil resources for the Hinkle Creek Research and Demonstration Area Project

Creator:: George, Robert Lance
Abstract:: This research addressed the opportunity to obtain baseline data for both stream chemistry and soil resources for an intensively managed forest watershed, encompassed by the North and South Forks of Hinkle Creek Watershed Research and Demonstration Area Project near Sutherlin, Oregon. A solid representative database for both stream and soil...
Resource Type:: Masters Thesis
Full Text:: stream chemistry and soil resources for an intensively managed forest watershed, encompassed by the

An integrated study of mechanical forest fuel reduction: quantifying multiple factors at the stand level

Creator:: Bolding, Michael Chad, 1977-
Abstract:: Recent catastrophic wildfires have forced the forest management community to develop new strategies for reducing forest fuels. Tightly spaced understory trees often create a fire ladder allowing surface fires to encroach into the crowns of overstory trees. This situation can lead to intensive, catastrophic, stand-replacement forest fires. Mechanical removal or...
Resource Type:: Dissertation
Full Text:: ................................................................................................ 123 3.0 SOIL COMPACTION AND VISUAL SOIL DISTURBANCE FOLLOWING TWO MECHANICAL FOREST FUEL

Findley Lake lysimeter leachate, precipitation inflow, outflow, and throughfall data, June 1973-January 1974

Creator:: Minden, Ralph V., Ugolini, Fiorenzo C., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Data on soil leachate at three sites and four depths, throughfall, precipitation, and lake inflow and outflow are presented in this report.
Resource Type:: Technical Report
Full Text:: primarily for internal use in the US/IBP Coniferous Forest Biome program. This information is not for use

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