Index Catalog // ScholarsArchive@OSU

The thermal characteristics of hydrologically intact Type C and E streams in eastern Oregon

Creator:: Hopkins, Karl T.
Abstract:: Many streams in eastern Oregon are listed as water quality impaired on the basis of water temperature. However, it is often difficult to predict water temperature for these streams even if there are no anthropogenic impacts. We measured air and water temperature and stream characteristics on three Type C and...
Resource Type:: Masters Thesis
Full Text:: of Hdrologically Intact Type C and E Streams in Eastern Oregon Abstract approved: n3J. Svej Many

The effects of three levels of range improvements on Roosevelt elk nutrition

Creator:: Mereszczak, Ihor Myroslaw
Resource Type:: Masters Thesis
Full Text:: the Oregon Department of Fish and Wildlife. I wish to thank Dr. William C. Krueger, by major pro

Growth characteristics and site potentials of perennial grass species

Creator:: Borman, Michael M.
Abstract:: In this study I assessed the potentials of selected, established perennial grasses to maintain site occupancy in the foothills ecosystem of the Rogue River Valley of southwest Oregon which is currently dominated by a variety of annual plants. The first evaluation compared growth curves of the perennial grasses and contrasted...
Resource Type:: Dissertation
Full Text:: omitting anyone. First I would like to thank Dr. Edwin C. Price and the Office of International Research

Sediment potentials for selected ecological land units in central Oregon

Creator:: Mattison, Jeffrey L.
Abstract:: During the summers of 1975 and 1976 a sedimentation study was conducted in the Bear Creek watershed, located in the southeastern corner of Crook County, in central Oregon. The Rocky Mountain infiltrometer was used to simulate high intensity rainfall over 468 sedimentation plots. Rainfall and runoff were measured and a...
Resource Type:: Masters Thesis
Full Text:: John C. Buckhouse During the summers of 1975 and 1976 a sedimentation study was conducted in the Bear

Infiltration, soil erosion, nitrogen loss and soil profile characteristics of Oregon lands occupied by three subspecies of Artemisia tridentata

Creator:: Swanson, Sherman R.
Abstract:: Infiltration, soil erosion, nitrogen loss and soil profile characteristics were measured on 36 sites representing land occupied by Artemisia tridentata ssp. tridentate, wyomingensis, and vaseyana. Infiltration, soil erosion, and nitrogen loss were strongly correlated but highly variable. Soil loss, but not infiltration or nitrogen loss was significantly different between subspecies....
Resource Type:: Dissertation
Full Text:: : Redacted for privacy John C. Buckhouse Infiltration, soil erosion, nitrogen loss and soil profile

Storm runoff characteristics of various plant communities within the Oregon Range Validation Area

Creator:: Gaither, Ronald E.
Abstract:: A sediment production and infiltration study was conducted within the Oregon Range Validation Project Work Area in east-central Oregon during the summers of 1977 and 1978. High intensity rainfall was simulated by using a Rocky Mountain Infiltrometer. This sprinkler-type infiltrometer closely approximates conditions associated with natural rainfall. The basic ecological...
Resource Type:: Masters Thesis
Full Text:: . John C. Buckhouse who has served not only as my major professor but also as friend and "family

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:: BIG GAME ON FOOTHILL RANGELANDS Redacted for privacyAbstract approved: Dr. William/C. Krueger The

An Investigation of soil, vegetation and mycorrhizal characteristics associated with native grass re-esablishment in crested wheatgrass seedings

Creator:: Raven, Karen A.
Abstract:: Since the 1930's, many fields on the Crooked River National grasslands have been seeded to crested wheatgrass (Agropyron desertorum). While some of these fields remain dominated by crested wheatgrass others had a greater presence of deep rooted native perennial grasses such as bluebunch wheatgrass (Pseudoroegneria spicata). Twenty eight fields previously...
Resource Type:: Masters Thesis
Full Text:: Wheatgrass Seedings Abstract approved: John C. Buckhouse Since the 1930's, many fields on the Crooked

Changes in plant communities following rangeland brush control

Creator:: Findley, Roger Raymond
Abstract:: Recently, the big sagebrush taxa has been split into subspecies and forms. Four habitat types related to subspecies of big sagebrush were studied in Eastern Oregon. Response of understory vegetation was measured following three range improvement techniques implemented on the four habitat types for several ages of treatment. Crown cover,...
Resource Type:: Masters Thesis
Full Text:: . William/C. Kru6ter Recently, the big sagebrush taxa has been split into subspecies and forms. Four

Small scale photo probability sampling and vegetation classification in southeast Arizona as an ecological base for resource inventory

Creator:: Johnson, James Russell
Abstract:: Increasing demands on earth resources require the need to know how much resource is present. A new technology, which is developing partially with the support of the National Aeronautics and Space Administration, will help to inventory and monitor surface resources in a more comprehensive manner than previously possible. Research in...
Resource Type:: Dissertation
Full Text:: for Privacy r. C. E. Poulton Increasing demands on earth resources require the need to know how

ScholarsArchive@OSU

The thermal characteristics of hydrologically intact Type C and E streams in eastern Oregon

The effects of three levels of range improvements on Roosevelt elk nutrition

Growth characteristics and site potentials of perennial grass species

Sediment potentials for selected ecological land units in central Oregon

Infiltration, soil erosion, nitrogen loss and soil profile characteristics of Oregon lands occupied by three subspecies of Artemisia tridentata

Storm runoff characteristics of various plant communities within the Oregon Range Validation Area

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

An Investigation of soil, vegetation and mycorrhizal characteristics associated with native grass re-esablishment in crested wheatgrass seedings

Changes in plant communities following rangeland brush control

Small scale photo probability sampling and vegetation classification in southeast Arizona as an ecological base for resource inventory

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