Index Catalog // ScholarsArchive@OSU

Relationship between allometric variables and biomass in western juniper (Juniperus occidentalis)

Creator:: Sabin, Breanna S.
Abstract:: A tenfold expansion of western juniper (Juniperus occidentalis spp. occidentalis) into the sagebrush steppe has led to the degradation of the economic and ecological potential of these landscapes. Land managers have enacted numerous methods to reduce distributions and densities of these trees. Assessment of above ground juniper biomass, expressed overall...
Resource Type:: Masters Thesis
Full Text:: 6 2008. Title: Relationship Between Allometric Variables and Biomass in Western Juniper

Sustainable biomass supply from fuel reduction treatments : a biomass assessment of federally owned land in eastern Oregon

Creator:: Vogler, Kevin C.
Abstract:: Wildfire exclusion over the past century or more has resulted in extensive fuel accumulations throughout much of the West that combined with recent climatic patterns have increased the frequency of relatively uncommon, large, high-severity wildfires. Forest restoration treatments intended to alter landscape-level fire disturbance patterns can be difficult to implement...
Resource Type:: Masters Thesis
Full Text:: and forest health thinning in eastern Oregon to quantify the available biomass feedstock supply

Converting forest biomass to energy in Oregon : stakeholder perspectives on a growing movement

Creator:: Stidham, Melanie
Abstract:: Within Oregon there is considerable interest in the possibility of converting woody biomass to energy. This interest stems from three converging factors: the desire to reduce the threat of uncharacteristic wildfire by removing excess material from the forests, the possibility to stimulate rural economies that are dependent on forest products,...
Resource Type:: Masters Thesis
Full Text:: . Title: Converting Forest Biomass to Energy in Oregon: Stakeholder Perspectives on a Growing Movement

Accuracy and suitability of several stand sampling methods in riparian zones

Creator:: Marquardt, Theresa
Abstract:: Stand structure in headwater riparian areas of western Oregon is highly variable making quantification of structural attributes within these stands difficult. A reliable sampling design is important to characterize and monitor changes in stand structure over time. This study examined sixteen alternatives for sampling live conifers and six alternatives for...
Resource Type:: Masters Thesis
Full Text:: western Oregon. Forest vegetation and structure varies widely in riparian zones. The streams in this

Comparing structure and development of Douglas-fir old-growth, plantations, and young natural forests in western Oregon

Creator:: Dowling, Christopher D.
Abstract:: Ages, diameter growth, density, tree size, and species were studied in old-growth, plantation, and young natural Douglas-fir stands in three areas in western Oregon: the western and eastern Coast Range and the western Cascades. The purpose was to compare the development of these three stand types and to determine whether...
Resource Type:: Masters Thesis

Temporal effect of vegetation management on growth and wood quality of conifers in a western Oregon plantation

Creator:: Goracke, Heidi S. Roe
Abstract:: Concern over the increasing proportion of juvenile wood grown in second growth plantations has led to a large amount of research on the effects of common silvicultural practices on wood quality. Lacking is research on the effect of timing and duration of vegetation control on wood quality near the pith...
Resource Type:: Masters Thesis
Full Text:: Conifers in a Western Oregon Plantation. Abstract approved: Robert W. Rose

The economics of carbon sequestration in western Oregon forests

Creator:: Im, Eun Ho
Abstract:: This study considered regional forest policies for sequestering carbon in existing forests in western Oregon. A model of log markets in western Oregon was employed to examine the impacts of forest policy changes on future carbon stock, harvests, and management activities. A carbon tax program, as a mitigation option for...
Resource Type:: Dissertation
Full Text:: considered regional forest policies for sequestering carbon in existing forests in western Oregon. A model

The combined effects of vegetation control and seedling size class on Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedling productivity on a site in Oregon

Creator:: Lefebvre, Robert F.
Abstract:: Controlling competing vegetation with the application of herbicides and increased seedling size at planting has been shown to increase seedling survival and growth. These two important reforestation tools have often been studied independently of each other, limiting comparisons that can be made between them. This study utilized a factorial treatment...
Resource Type:: Masters Thesis
Full Text:: burning in the western Cascades of Oregon. Ecology. 54(1): 57-69 Engstrom, H.E. and Stoeckeler, J.H

Mixed-Severity Fire Effects on Biological Legacies and Vegetation Response in Pseudotsuga Forests of Western Oregon's Central Cascades, USA

Creator:: Dunn, Christopher J.
Abstract:: Mixed-severity fire occurrence is increasingly recognized in Pseudotsuga forests of the Pacific Northwest, but questions remain about how tree mortality varies, and forest structure is altered, across the disturbance gradient observed in these fires. Therefore, we sampled live and dead biological legacies at 45 one ha plots, with four 0.10...
Resource Type:: Dissertation
Full Text:: received as much attention as other forest types and fire regimes. In the western US, much of this is a

Trade-offs between management for fire risk reduction and northern spotted owl habitat protection in the dry conifer forests of southern Oregon

Creator:: Comfort, Emily Julia, 1974-
Abstract:: There is a perceived trade-off between fire risk reduction and northern spotted owl habitat protection in dry-conifer forests in southwestern Oregon. Management options for balancing this trade-off need to be sought at the landscape level. Applied landscape ecology suggests three important features to consider are (1) patch size and configuration...
Resource Type:: Dissertation
Full Text:: Comfort for the degree of Doctor of Philosophy in Forest Resources presented on December 2, 2013

ScholarsArchive@OSU

Relationship between allometric variables and biomass in western juniper (Juniperus occidentalis)

Sustainable biomass supply from fuel reduction treatments : a biomass assessment of federally owned land in eastern Oregon

Converting forest biomass to energy in Oregon : stakeholder perspectives on a growing movement

Accuracy and suitability of several stand sampling methods in riparian zones

Comparing structure and development of Douglas-fir old-growth, plantations, and young natural forests in western Oregon

Temporal effect of vegetation management on growth and wood quality of conifers in a western Oregon plantation

The economics of carbon sequestration in western Oregon forests

The combined effects of vegetation control and seedling size class on Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedling productivity on a site in Oregon

Mixed-Severity Fire Effects on Biological Legacies and Vegetation Response in Pseudotsuga Forests of Western Oregon's Central Cascades, USA

Trade-offs between management for fire risk reduction and northern spotted owl habitat protection in the dry conifer forests of southern Oregon

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