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Behavioral responses of Rocky Mountain Elk (Cervus elaphus) to recreational disturbance

Creator:: Naylor, Leslie M.
Abstract:: I measured responses of free-ranging Rocky Mountain elk (Cervus elaphus) to recreational disturbance at Starkey Experimental Forest and Range, Oregon from April to October, 2003 and 2004. Resting, feeding, and travel activities of 13 cow elk were recorded at 5-minute intervals using Actiwatch™ motion sensors. Elk were subjected to four...
Resource Type:: Masters Thesis
Full Text:: , Kate Minogue, Kristen Munday, Buddie Munday, Bridgett Naylor, Jack Nothwang, Joann Oliver, Bruce

Essays on strategic behavior in supermodular settings : lobbying, advertising and price

Creator:: Kudo, Yasushi
Abstract:: This dissertation addresses issues of strategic behavior of firms in lobbying, brand and generic advertising, and advertising-price relationships in imperfectly competitive markets. In the first study, we investigate conditions under which lobbying can improve social welfare and show that this type of lobbying will be undersupplied from society’s perspective. We...
Resource Type:: Dissertation
Full Text:: Abstract approved: Victor J. Tremblay This dissertation addresses issues of strategic behavior of

Effects of esfenvalerate on native macroinvertebrates representative of Pacific Northwest streams

Creator:: Johnson, Katherine R.
Abstract:: Aquatic insects are essential components of healthy stream ecosystems, contributing to nutrient cycling, trophic dynamics and other ecological functions. Aquatic insect species, particularly those in the orders Ephemeroptera, Plecoptera and Trichoptera (EPT taxa) are however, extremely sensitive to insecticide contamination. Given that urban and agricultural use of synthetic pyrethroid insecticides...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Paul C. Jepson Jeffrey J. Jenkins Aquatic insects are essential components of

Botanical composition and diet quality of beef cattle grazing at three stocking rates following fuels reduction in mixed conifer forests

Creator:: Clark, Abe A.
Abstract:: An experiment was conducted to evaluate the influence of forest fuels reduction on the diet quality, botanical composition, relative preference, and foraging efficiency of beef cattle grazing at different stocking rates. A split plot factorial design was used, with the whole plots (3 ha) being fuel reduced or no treatment...
Resource Type:: Masters Thesis
Full Text:: for their help with collections, building fence, and hauling cows. Bryan and Bridgett your help

Mt. St. Helens ash : considerations of its fallout on rangelands

Creator:: Sneva, Forrest, Britton, Carlton M., Mayland, H. F., Buckhouse, John, Evans, Raymond A., Young, James A., and Vavra, Martin
Abstract:: Field and laboratory studies were conducted on volcanic ash from Yakima, Moses Lake, Spokane, Washington, and Moscow, Idaho, three weeks after the May 18, 1980, eruption of Mt. St. Helens in southwestern Washington. These studies examined 1) the chemical, physical, and water retentivity properties of the ash, 2) the effect...
Resource Type:: Technical Report
Full Text:: analyses. Sublots of the ash were also sent to R. Evans and J. Young for seed germination and emergence

Seed dormancy in domesticated and wild sunflowers (Helianthus annuus L.) :types, longevity and QTL discovery

Creator:: Brunick, Robert L.
Abstract:: Elite inbred sunflower (Helianthus annuus L.) lines were found to have short-lived embryo and seed covering dormancies. Seed dormancy of wild sunflowers (H. annuus, H. argophyllus and H. exilis) was found to be controlled primarily by the seed covering (seed coat and pericarp) and embryo dormancy was short-lived (four to...
Resource Type:: Dissertation
Full Text:: . Steven J. Knapp, who helped design and analyze the research studies. During this time he was a

Factors associated with dusky Canada goose nesting and nest success on artificial nest islands of the western Copper River Delta

Creator:: Maggiulli, Nicole Marie
Abstract:: The population of dusky Canada geese (Branta canadensis occidentalis; hereafter, dusky geese) nesting on the western Copper River Delta (CRD) in south- central Alaska has been in decline since the late 1970s. In an effort to alleviate mammalian predation, increase nest success, and avoid a listing under the U.S. Endangered...
Resource Type:: Masters Thesis

Structure elucidation of bioactive natural products from Madagascar marine algae and cyanobacteria

Creator:: Andrianasolo, Eric Hajaniriana
Abstract:: This thesis is an investigation of the natural products deriving from marine algae and cyanobacteria and has resulted in the discovery of eleven new secondary metabolites. The structure elucidations of these new molecules were performed using a variety of spectroscopic techniques. Four new macrolides were isolated and characterized from the...
Resource Type:: Dissertation
Full Text:: HMBC spectrum (optimized for J = 8Hz) of ankaraholide A (1) in CD3OD

Culture and toxicity testing of West Coast marine organisms : proceedings of a workshop held in Sacramento, California, February 27-28, 1990

Creator:: Chapman, Gary A.
Resource Type:: Conference Proceeding
Full Text:: , et al 11 T. Dean 19 2. MYSIDS SUMMARY 29 • Hohnesimysis costata J. Hunt, et al. 31

Mechanical characterization of a simple gel in a prototype device that models a degenerative intervertebral disc

Creator:: Cenar, Yannick
Abstract:: A large part of low-back pain occurrences are due to disc herniation or prolapse of the nucleus pulposus. An alternative technique to existing treatments of low back pain includes nucleus pulposus replacement by an artificial material to relieve pain and restore normal function. To date, there has been a deficiency...
Resource Type:: Masters Thesis
Full Text:: of approximately 70-90% water which can range based on age (Naylor 1971; Beard and Stevens 1980

ScholarsArchive@OSU

Behavioral responses of Rocky Mountain Elk (Cervus elaphus) to recreational disturbance

Essays on strategic behavior in supermodular settings : lobbying, advertising and price

Effects of esfenvalerate on native macroinvertebrates representative of Pacific Northwest streams

Botanical composition and diet quality of beef cattle grazing at three stocking rates following fuels reduction in mixed conifer forests

Mt. St. Helens ash : considerations of its fallout on rangelands

Seed dormancy in domesticated and wild sunflowers (Helianthus annuus L.) :types, longevity and QTL discovery

Factors associated with dusky Canada goose nesting and nest success on artificial nest islands of the western Copper River Delta

Structure elucidation of bioactive natural products from Madagascar marine algae and cyanobacteria

Culture and toxicity testing of West Coast marine organisms : proceedings of a workshop held in Sacramento, California, February 27-28, 1990

Mechanical characterization of a simple gel in a prototype device that models a degenerative intervertebral disc

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