Index Catalog // ScholarsArchive@OSU

Fire severity and vegetation response to fire in riparian areas of the Biscuit and B&B Complex Fires, Oregon

Creator:: Halofsky, Jessica E.
Abstract:: Fire is the dominant disturbance process in western U.S. forests, and although effects of fire in upland forests are relatively well-studied, there is little information about fire effects on riparian forests, critical areas of the landscape for both habitat and water quality. This dissertation examines different aspects of fire effects...
Resource Type:: Dissertation
Full Text:: Jessica E. Halofsky for the degree of Doctor of Philosophy in Forest Science presented on June 14, 2007

Economic and social impacts of restoration : a case study of the Great Basin Region

Creator:: Satyal, Vijayanand H.
Abstract:: The last five decades of research in arid land ecology cites Invasive species as a source of imbalances in biodiversity through habitat destruction and reductions of native species through ecosystem alterations in favor of non-native species. Invasive species are known to damage not only the surrounding ecosystem but also cause...
Resource Type:: Dissertation
Full Text:: Philosophy in Environmental Sciences presented on June 14, 2006. Title: Economic and Social Impacts of

Spatial patterns of fuel management activities and their effects on wildfire behavior

Creator:: Kim, Young-Hwan
Abstract:: Fuel management has been used as an effective local strategy to reduce the undesirable consequences of wildfires. Many efforts toward scheduling of fuel management activities across a broader landscape have been proposed, with the hope of achieving larger landscape-scale management effects. However, scheduling of fuel management treatments across the broader...
Resource Type:: Dissertation
Full Text:: of fuel management patterns for disrupting the progress of wildfires, overall flame length

Farmer perspectives on success and challenges : a study of small farms in Oregon's Willamette Valley

Creator:: Pool, Kristin E.
Abstract:: This thesis investigates the success of and challenges facing small farmers operating direct marketing farm businesses in Oregon's Willamette Valley. This qualitative study utilizes participatory methods to gain the unique perspectives of small farmers regarding their success and challenges. Small farms are important players in local food systems and ensuring...
Resource Type:: Masters Thesis
Full Text:: beginning farmers report internal challenges, land access, and access to capital at greater rates than

Influence of silvicultural treatments, overstory, and understory vegetation on quaking aspen (Populus tremuloides) regeneration in southeastern Idaho

Creator:: Muñoz, Bethany L.
Abstract:: Quaking aspen (Populus tremuloides Michx.) is known to be a widely distributed, shade-intolerant and short-lived hardwood found in both seral, even-aged and stable, uneven aged stands. There have been reports of extensive aspen mortality, crown thinning, and branch dieback across North America that have been linked to the occurrence of...
Resource Type:: Masters Thesis
Full Text:: ................................................................................... 73 A.14. Site FB37TD018 in 2008

Quaking aspen persistence in three Oregon landscapes

Creator:: Seager, S. Trent
Abstract:: Quaking aspen (Populus tremuloides) is an important tree species in the western United States and there has been much concern about its persistence. In this thesis, I report on aspen in a portion of its range that has not been previously evaluated: the eastern and western slopes of the Central...
Resource Type:: Masters Thesis
Full Text:: thesis, I report on aspen in a portion of its range that has not been previously evaluated: the eastern

The feasibility of using diploid by tetraploid crosses to obtain triploid hops (Humulus lupulus L.)

Creator:: DeNoma, Jeanine Streeter
Abstract:: The hop (Humulus lupulus L.) is a dioecious, diploid (2n=2x=20) species. Triploid hops (2n=3x=30) are easily obtained from tetraploid by diploid crosses and are preferred because of their natural seedlessness and increased vigor. The female inflorescence is used for flavoring beer. Because brewers require product consistency, the brewing characteristics of...
Resource Type:: Masters Thesis
Full Text:: tetraploid male parents, 8309-26M and 8309-32M 64 14. Mean values for chemical quality data from 1990

Spatial and age class analysis of managed western juniper (Juniperus occidentalis) woodlands in central Oregon

Creator:: Zophy, Kelley T.
Abstract:: Juniper is a native species to Oregon and confers ecological benefits to wildlife when it is at savannah and transitional densities. Its range and extent have fluctuated with climatic change, but the current range expansion is unprecedented in its extent. The range expansion has been associated with the degradation of...
Resource Type:: Masters Thesis
Full Text:: the Eagle 1 population………………….... 71 13. Age distribution for Eagle 3………………………………….... 72 14

An evaluation of biological control of Linaria dalmatica with Mecinus janthinus in Oregon

Creator:: Park, Alexander
Abstract:: Dalmatian toadflax (Linaria dalmatica) has become a prolific invasive plant of rangelands in Oregon since its arrival in the early 20th century. In 2001, the Oregon Department of Agriculture initiated a release program promoting the distribution of the stem-boring weevil, Mecinus janthinus as classical biological control agent to reduce densities...
Resource Type:: Masters Thesis
Full Text:: ..................................................................14 Chapter 3 - Materials and Methods

A characterization of seasonal pools in Central Oregon's high desert

Creator:: Dlugolecki, Laura
Abstract:: Seasonal wetlands in arid and semi-arid lands provide an important source of surface water in otherwise dry lands. Central Oregon's high desert, located in the Northern Great Basin (NGB) is dotted with hundreds of seasonal pools, locally called playas. The playas hold water or snow during parts of winter and...
Resource Type:: Masters Thesis
Full Text:: . ................................ 14 5. Vegetative species richness in two ecological sites observed in playas on the Prineville

ScholarsArchive@OSU

Fire severity and vegetation response to fire in riparian areas of the Biscuit and B&B Complex Fires, Oregon

Economic and social impacts of restoration : a case study of the Great Basin Region

Spatial patterns of fuel management activities and their effects on wildfire behavior

Farmer perspectives on success and challenges : a study of small farms in Oregon's Willamette Valley

Influence of silvicultural treatments, overstory, and understory vegetation on quaking aspen (Populus tremuloides) regeneration in southeastern Idaho

Quaking aspen persistence in three Oregon landscapes

The feasibility of using diploid by tetraploid crosses to obtain triploid hops (Humulus lupulus L.)

Spatial and age class analysis of managed western juniper (Juniperus occidentalis) woodlands in central Oregon

An evaluation of biological control of Linaria dalmatica with Mecinus janthinus in Oregon

A characterization of seasonal pools in Central Oregon's high desert

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