Index Catalog // ScholarsArchive@OSU

Small mammal relationships with downed wood and antelope bitterbrush in ponderosa pine forests of central Oregon

Creator:: Smith, Troy G.
Abstract:: Downed wood and antelope bitterbrush (Purshia tridentata) are often managed on federal ponderosa pine (Pinus ponderosa) forests in central Oregon to prevent catastrophic wildfires and provide wildlife habitat. However, although much is known regarding the roles of downed wood and bitterbrush in wildfire behavior, little is known regarding the relationships...
Resource Type:: Masters Thesis

Meadow classification in the Willamette National Forest and conifer encroachment patterns in the Chucksney-Grasshopper meadow complex, Western Cascade Range, Oregon

Creator:: Dailey, Michele Meadows
Abstract:: This study delineates and characterizes the distribution of montane meadows in the Willamette National Forest, identifies encroachment patterns in relation to topographic features and proximity to trees in the Chucksney-Grasshopper meadow complex, and examines tree species and age distributions in relation to distance from forest edges or isolated tree clusters...
Resource Type:: Masters Thesis
Full Text:: . Title: Meadow Classification in the Willamette National Forest and Conifer Encroachment Patterns in the

Impact of Armillaria and annosus root diseases on stand and canopy structure, species diversity, and down woody material in a central Oregon mixed-conifer forest

Creator:: Fields, Kristen L. N.
Abstract:: White and grand fir are both valuable components of the mixed-conifer stand structure managed for late-successional reserves in central Oregon. However, they are often short-lived species because of high susceptibility to root diseases, defoliating insects, bark beetles, and wildfire. This study focuses on the effects of root diseases caused by...
Resource Type:: Masters Thesis
Full Text:: Ranger District, Deschutes National Forest. Field data were collected during the summer of 2001 on 25

Quantifying Aboveground Biomass for Common Shrubs in Northeastern California

Creator:: Huff, Steven
Abstract:: Quantifying biomass is important for sustainable forest management. The purpose of this study is to obtain allometric relationships for seven species of shrubs common in northeastern California so that estimates of carbon and fuel loading may be better realized. Although some shrub biomass equations exist, such equations are limited in...
Resource Type:: Masters Thesis
Full Text:: sagebrush and grass (Adams et al., 2008). Common plant associations within Lassen National Forest include

Soil variability on steep, skeletal forested slopes of the Umpqua National Forest, Oregon

Creator:: Myhrum, Ronald P.
Abstract:: This study was undertaken to determine both the amount and the spatial variability of sand, silt, clay, and six fractions of coarse fragments in soils representing harsh sites for reforestation. Particle size data were collected because of their direct relationship to water holding capacity and the plantability and survivability of...
Resource Type:: Masters Thesis
Full Text:: Umpqua National Forest, Oregon AN ABSTRACT OF THE THESIS OF Ronald P. Myhrum for the degree of Master

Spatial and temporal dynamics of the Douglas-fir bark beetle (Dendroctonus pseudotsugae, Hopk.) in the Detroit Ranger District, Oregon : a landscape ecology perspective

Creator:: Powers, Jennifer Sarah
Abstract:: I developed a conceptual model of Douglas-fir bark beetle dynamics and associated host mortality across spatial and temporal scales. I proposed that a hierarchy of factors influence host resistance to attack at different spatial scales. I then tested this model by measuring the association between the occurrence of beetle-kill and...
Resource Type:: Masters Thesis
Full Text:: Willamette National Forest 1956-1992 76 4.3 Beetle kill (trees), precipitation, and windstorms in the

Dead fuels and understory vegetation six years after a large mixed-severity wildfire in southwest Oregon

Creator:: Nathanson, Amy
Abstract:: 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 ecological effects of low- and moderate-severity areas within mixed-severity fires is important because such areas may account for...
Resource Type:: Masters Thesis
Full Text:: . 1979. Estimating live fuel moisture for the 1978 National Fire-Danger Rating System. USDA Forest

Plant community recovery after high severity wildfire and post-fire management in the Klamath Region

Creator:: Lopez Ortiz, Maria Jose
Abstract:: Disturbance and microclimate interact to play a central role influencing the composition and structure of plant communities. In this thesis, I examined plant community composition and structure twenty years after high severity wildfires with and without post-fire management (salvage logging, fuel treatment, tree planting, and shrub release) under contrasting microclimatic...
Resource Type:: Masters Thesis
Full Text:: Ranger District and at the Supervisor’s Office of the Klamath National Forest in Yreka California

Forest structure and composition changes in a tropical montane cloud forest surrounding an illegal village in Bale Mountains National Park : anthropogenic disturbance along forest resource trails and implications for conservation and management

Creator:: Arechiga, Theresa Ramona
Abstract:: Bale Mountains National Park (BMNP) is currently considered the most important conservation area in Ethiopia. BMNP was established over forty years ago to protect Ethiopian endemic fauna and to preserve an array of habitat types including Afroalpine, Afromontane, and the second largest natural humid forest (Harenna forest) left in Ethiopia....
Resource Type:: Masters Thesis
Full Text:: Bale Mountains National Park: Anthropogenic Disturbance along Forest Resource Trails and Implications

ScholarsArchive@OSU

Small mammal relationships with downed wood and antelope bitterbrush in ponderosa pine forests of central Oregon

Meadow classification in the Willamette National Forest and conifer encroachment patterns in the Chucksney-Grasshopper meadow complex, Western Cascade Range, Oregon

Impact of Armillaria and annosus root diseases on stand and canopy structure, species diversity, and down woody material in a central Oregon mixed-conifer forest

Quantifying Aboveground Biomass for Common Shrubs in Northeastern California

Soil variability on steep, skeletal forested slopes of the Umpqua National Forest, Oregon

Spatial and temporal dynamics of the Douglas-fir bark beetle (Dendroctonus pseudotsugae, Hopk.) in the Detroit Ranger District, Oregon : a landscape ecology perspective

Dead fuels and understory vegetation six years after a large mixed-severity wildfire in southwest Oregon

Plant community recovery after high severity wildfire and post-fire management in the Klamath Region

Forest structure and composition changes in a tropical montane cloud forest surrounding an illegal village in Bale Mountains National Park : anthropogenic disturbance along forest resource trails and implications for conservation and management

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