Index Catalog // ScholarsArchive@OSU

Why aren't pigeon guillemots in Prince William Sound, Alaska recovering from the Exxon Valdez oil spill?

Creator:: Bixler, Kirsten S.
Abstract:: The Pigeon Guillemot (Cepphus columba) is now the only species of marine bird in Prince William Sound (PWS), Alaska that is listed as "not recovering" on the Exxon Valdez Oil Spill (EVOS) Trustee Council's Injured Resources List and has shown no sign of population recovery. During the 20 years since...
Resource Type:: Masters Thesis
Full Text:: 5/1/2010. Brown, E. D. 2003. Stock structure and environmental effects on year class formation

Who's afraid of a little nitrate? : discovering impediments and incentives in following best management practices related to water quality within the southern Willamette Valley groundwater management area

Creator:: Rolston, Irene
Abstract:: Thesis summarizes interviews with growers residing within the Groundwater Management Area (GWMA) in the Southern Willamette Valley of Oregon. Informal and semi-structured interviews were used to identify perceived impediments and incentives perceived by local farmers in following best management practices related to water quality. Results from the interviews were coded...
Resource Type:: Masters Thesis
Full Text:: Area. Chapter One Introduction On May 10, 2004, the Oregon Department of Environmental Quality (DEQ

Where Old West meets New West : confronting conservation, conflict and change on Utah's last frontier

Creator:: Leaver, Jennifer Jensen
Abstract:: In the United States during the last 30 years there has been a shift from extractive natural resource-based economies of the Old West to a New West defined by environmental protection. Over the past century, a growing national support for environmental protection has influenced a lengthening list of national and...
Resource Type:: Masters Thesis
Full Text:: resource-based economies of the Old West to a New West defined by environmental protection. Over the past

West Nile Virus preparedness in Multnomah County : efficacy, benefits, and limitations of adulticide use for mosquito-borne disease

Creator:: Francis, Kristin A.
Abstract:: The objectives of this study were to provide a comprehensive review of the risks and benefits of using adulticides to reduce risk of mosquito-borne disease (particularly West Nile Virus) transmission to humans, as well as to decrease annoyance from nuisance mosquitoes. The study was designed with two major research components,...
Resource Type:: Masters Thesis
Full Text:: degree of Master of Science in Environmental Health and Occupational Safety Management presented on April

Watershed response to western juniper control

Creator:: Deboodt, Timothy L.
Abstract:: Western juniper (Juniperus occidentalis) encroachment has been associated with increased soil loss and reduced infiltration resulting in the loss of native herbaceous plant communities and the bird and animal species that rely on them. Hydrologically, however, change in water yield has been linked with the amount of annual precipitation a...
Resource Type:: Dissertation
Full Text:: ). Other financial support was provided by Crook County Taylor Grazing Board, Crook County Extension

Water quality of runoff from flood irrigated pasture in the Klamath Basin, Oregon

Creator:: Ciotti, Damion C.
Abstract:: Runoff from agricultural lands into Upper Klamath Basin rivers and lakes can cause water quality problems affecting fish and wildlife. Excessive eutrophication in Upper Klamath Lake is linked to high nutrient input (particularly phosphorus) stemming from both lake sediments and watershed tributaries. On a unit area load basis the Wood...
Resource Type:: Masters Thesis
Full Text:: Master of Science in Environmental Sciences presented on February 16, 2005. Title: Water Quality of

Water quality impacts of free ranging cattle in semi-arid environments

Creator:: Larsen, Royce E.
Abstract:: The purpose of this study was to evaluate the effects that free ranging cattle have on water quality in semi-arid environments. There were three specific objectives: 1) To determine the concentration and distribution of cattle feces in meadows, riparian zones, and the associated uplands. 2) To determine the fecal deposition...
Resource Type:: Masters Thesis
Full Text:: ), slope, and aspect. A summary of cultural practices are included. Haughton-Sontag pasture, Bear Creek

Voluntary environmental programs at an alpine ski area: influence of recreationists' knowledge, motivations, attachment, value orientations, and specialization

Creator:: Little, Christopher M.
Abstract:: Voluntary environmental programs (VEPs) have been created to encourage companies to engage in behaviors that mitigate environmental impacts (e.g., recycling, emissions reduction). Many ski areas participate in the Sustainable Slopes Program, an initiative that promotes VEPs in the ski area industry. Past research has addressed the performance of VEPs in...
Resource Type:: Masters Thesis
Full Text:: : Voluntary Environmental Programs at an Alpine Ski Area: Influence of Recreationists' Knowledge

Vertebrates, arthropods, and invasive plants : an investigation of the top-down and bottom-up interactions of multiple herbivore guilds in a grassland system

Creator:: Farrell, Kelly Anne
Abstract:: Humans are increasing the scale and frequency of many natural disturbances, as well as adding novel disturbances to ecosystems. This thesis uses the arthropod community as a metric to examine the multi-trophic responses to disturbances in California grasslands. Chapter 2 explores how the long-term exclusion of native vertebrate herbivores has...
Resource Type:: Masters Thesis
Full Text:: of grazing and invasive plants on the arthropod community in a manipulative plant provenance x

Vegetation and soil response to tree removal methods in invasive western juniper woodlands

Creator:: O'Connor, Casey A.
Abstract:: On piñon-juniper encroached sites that lack the understory fuels to carry a prescribed fire, treatment options are limited to mechanical methods. Cutting with chainsaws and leaving the trees on site has been the primary treatment method for such sites, however this method creates a potential fire hazard, particularly in the...
Resource Type:: Masters Thesis
Full Text:: , Bates et al. 2005), increasing available forage for grazing species and improving site processes such

ScholarsArchive@OSU

Why aren't pigeon guillemots in Prince William Sound, Alaska recovering from the Exxon Valdez oil spill?

Who's afraid of a little nitrate? : discovering impediments and incentives in following best management practices related to water quality within the southern Willamette Valley groundwater management area

Where Old West meets New West : confronting conservation, conflict and change on Utah's last frontier

West Nile Virus preparedness in Multnomah County : efficacy, benefits, and limitations of adulticide use for mosquito-borne disease

Watershed response to western juniper control

Water quality of runoff from flood irrigated pasture in the Klamath Basin, Oregon

Water quality impacts of free ranging cattle in semi-arid environments

Voluntary environmental programs at an alpine ski area: influence of recreationists' knowledge, motivations, attachment, value orientations, and specialization

Vertebrates, arthropods, and invasive plants : an investigation of the top-down and bottom-up interactions of multiple herbivore guilds in a grassland system

Vegetation and soil response to tree removal methods in invasive western juniper woodlands

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