Index Catalog // ScholarsArchive@OSU

Spring, summer and fall use by cattle and big game on foothill rangelands

Creator:: Miller, Richard F.
Abstract:: The objectives of this study were to evaluate environmental factors influencing use of several plant communities by cattle, elk and deer; determine under story production by plant species and the amount utilized by cattle, elk and deer in certain plant communities; evaluate the interactions of range use between cattle, elk...
Resource Type:: Masters Thesis
Full Text:: ) (Degree) in Rangeland Resources presented on (Major) Title: SPRING, SUMMER AND FALL USE BY CATTLE AND

A model to predict the bacterial quality of a rangeland stream

Creator:: Biskie, Howard A
Abstract:: Grazing cattle usually have access to streams as a source of drinking water. A model was developed for the personal computer to predict the bacterial quality of these streams. The model estimates the number of organisms that enter the stream by the direct deposit of feces and by runoff from...
Resource Type:: Masters Thesis
Full Text:: Bacterial Quality of a Rangeland Stream Abstract approved: - James A. Moore Grazing cattle usually have

Establishing native plants in crested wheatgrass stands using successional management

Creator:: Fansler, Valerie A.
Abstract:: Crested wheatgrass (Agropyron cristatum (L.) Gaertn.) is a nonindigenous perennial grass that was introduced to North America to improve the condition of degraded rangelands. It has proven to be a successful revegetation species due to its superior ease of establishment, strong competitive ability, and ability to tolerate grazing. However, crested...
Resource Type:: Masters Thesis
Full Text:: : __________________________________________________________________ Co-Major Professor, representing Rangeland Ecology and Management

Herbage production on three vegetation types in the high desert of eastern Oregon

Creator:: Markgraf, Peter Marion
Abstract:: Objectives of this study were to determine differences in herbage production of three seral stages of three habitat-types. Field studies were conducted in 1967 and 1968 on the Squaw Butte Experimental Range. Twelve, 400-square-foot, paired exclosures were established in each habitat-type. Herbage was clipped from four, 48-squarefoot samples in one...
Resource Type:: Masters Thesis
Full Text:: Name in RANGE MANAGEMENT (Major) presented (Degree) on Cc___,t041-e/D 2/ /94,? (Date) Title

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:: Rangeland Ecology and Management presented on June 19, 2009 Title: Vegetation and Soil Response to Tree

Prescribed fire effects on vegetation and arthropod dynamics, and sampling techniques in a Wyoming big sagebrush community

Creator:: Rhodes, Edward C.
Abstract:: In the western United States, sagebrush (Artemisia spp L.) dominated rangelands are extensive, accounting for approximately 63 million ha. The Wyoming big sagebrush (Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young) alliance is found in more xeric environments, occupying the largest area of the big sagebrush complex in areas within...
Resource Type:: Masters Thesis
Full Text:: Master of Science in Rangeland Ecology & Management presented on October 23, 2006. Title: Prescribed

Influence of nitrogen and phosphorus on interference between medusahead and squirreltail

Creator:: Young, Kert R.
Abstract:: Restoration of invaded aridlands is required to reduce the exorbitant ecological and monetary losses related to noxious weeds. An understanding of how reduced and increased levels of soil N and P influence interference between medusahead and squirreltail is imperative to understanding how squirreltail may be used in restoration of medusahead...
Resource Type:: Masters Thesis
Full Text:: Master of Science in Rangeland Ecology and Management presented on July 21, 2006. Title: Influence of

Seed bank response to juniper expansion in the semi-arid lands of Oregon, USA

Creator:: Duncan, Corinne M.
Abstract:: Expansion of Juniperus occidentalis into the sagebrush steppe has resulted in significant changes in understory composition. A consequence of increased J. occidentalis dominance may be a depletion of the seed bank. The potential for depletion is problematic because a reduction in the amount of species available from the seed bank...
Resource Type:: Masters Thesis
Full Text:: Science in Rangeland Ecology and Management presented on November 19, 2008. Title: Seed Bank Response to

Physiological impacts of groundwater and surface water application on desert graminoids of different geographic origin

Creator:: Abdallah, Mohamed (Mohamed Ahmed B.)
Abstract:: Desert plant communities are among the most sensitive to changes in soil water conditions. In areas with shallow aquifers, it is important to understand both the effects of groundwater alterations on vegetation and how changes in surface-soil water affect plant water uptake. Studies in arid environments have evaluated the effect...
Resource Type:: Masters Thesis
Full Text:: : Major Professor, representing Rangeland Ecology and Management Head of the Department of Rangeland

Effects of plant community characteristics on insect abundance : implications for sage-grouse brood-rearing habitat

Creator:: Ersch, Erica A.
Abstract:: A causative factor in declining greater sage-grouse (Centrocercus urophasianus) populations is reduced annual recruitment due to poor habitat quality. Sage-grouse population decline is concurrent with a decline in the extent and quality of the sagebrush (Artemisia sp.) biome. However, current research has shown a positive relationship between sage-grouse brood and...
Resource Type:: Masters Thesis
Full Text:: Science in Rangeland Ecology and Management presented on March 17, 2009. Title: Effects of Plant

ScholarsArchive@OSU

Spring, summer and fall use by cattle and big game on foothill rangelands

A model to predict the bacterial quality of a rangeland stream

Establishing native plants in crested wheatgrass stands using successional management

Herbage production on three vegetation types in the high desert of eastern Oregon

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

Prescribed fire effects on vegetation and arthropod dynamics, and sampling techniques in a Wyoming big sagebrush community

Influence of nitrogen and phosphorus on interference between medusahead and squirreltail

Seed bank response to juniper expansion in the semi-arid lands of Oregon, USA

Physiological impacts of groundwater and surface water application on desert graminoids of different geographic origin

Effects of plant community characteristics on insect abundance : implications for sage-grouse brood-rearing habitat

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