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Lamb production differences of bighorn sheep on Hart Mountain, Oregon

Creator:: Cottam, Douglas F.
Resource Type:: Masters Thesis

Habitat use and population characteristics of bighorn sheep on Hart Mountain National Antelope Refuge, Oregon

Creator:: Payer, David Carl
Resource Type:: Masters Thesis
Full Text:: sheep on Hart Mountain National Antelope Refuge, Oregon AN ABSTRACT OF THE THESIS OF David C. Payer

Morphometric properties of nivation hollows on Hart Mountain, Lake County, Oregon

Creator:: Rademacher, Christopher L.
Abstract:: Hart Mountain is a basaltic fault block mountain in the semi-desert region of the northern Basin and Range province in south-central Oregon. Geomorphic processes associated with lingering snowpatches have formed nivation hollows, which are small scale depressions in the hillsides. The lingering snow in the hollows prohibits shrub growth. Bedrock...
Resource Type:: Masters Thesis
Full Text:: HOLLOWS ON HART MOUNTAIN, LAKE COUNTY, OREGON Abstract approved: Redacted for Privacy e#rles L

Geology and petrology of a 26-Ma trachybasalt to peralkaline rhyolite suite exposed at Hart Mountain, southern Oregon

Creator:: Mathis, Allyson C.
Resource Type:: Masters Thesis

Habitat use by female greater sage grouse in relation to fire at Hart Mountain National Antelope Refuge, Oregon

Creator:: Byrne, Michael W.
Abstract:: The United States Fish and Wildlife Service currently uses fire as a management tool to improve Greater Sage Grouse (Centrocercus urophasianus Bonaparte) nesting and brood-rearing habitat at Hart Mountain National Antelope Refuge (HMNAR) in S.E. Oregon. Previous studies at HMNAR revealed use of burned areas by sage grouse throughout the...
Resource Type:: Masters Thesis
Full Text:: ) nesting and brood-rearing habitat at Hart Mountain National Antelope Refuge (HMNAR) in S.E. Oregon

Response of brood-rearing habitat of sage grouse to prescribed burning in Oregon

Creator:: Pyle, William H. (William Hanson), 1957-
Abstract:: Decline of western sage grouse (Centrocercus urophasianus phaios) in Oregon may be related to the reduced availability of foods in upland sagebrush (Artemisia)-grasslands used for brood-rearing. The goal of this study was to determine primary foods of chicks and the short-term response of brood-rearing habitat to prescribed burning at Hart...
Resource Type:: Masters Thesis
Full Text:: prescribed burning at Hart Mountain, Oregon. Analysis revealed that food use by 44 chicks and availability

Relationship between habitat changes and productivity of sage grouse at Hart Mountain National Antelope Refuge, Oregon

Creator:: Coggins, Kreg A.
Abstract:: From 1987-1997, Oregon State University conducted studies at Hart Mountain National Antelope Refuge (HMNAR) to better understand the relationship between grouse productivity and key habitat components. Early studies indicated sage grouse habitat preference and reproductive success were related to particular forbs (including legumes and milky juice composites) and structural characters...
Resource Type:: Masters Thesis
Full Text:: and Productivity of Sage Grouse at Hart Mountain National Antelope Refuge, Oregon Abstract approve

Quantification of Ecological Change Using Repeat Photography and Ground Based Lidar

Creator:: Batchelor, Jonathan L.
Abstract:: Remote sensing techniques have long been useful in quantifying changes in ecosystems and the field of remote sensing is constantly evolving to better assess and describe changes, both spatially and temporally. In this thesis I explored the novel use of two remote sensing methods to quantify ecosystems; repeat photograph to...
Resource Type:: Masters Thesis
Full Text:: at Hart Mountain National Antelope Refuge in southeastern Oregon, 23 years after the removal of

Breeding season habitat use and response to management activities by greater sage-grouse on Sheldon National Wildlife Refuge, Nevada

Creator:: Davis, Dawn M.
Abstract:: Greater Sage-Grouse (Centrocercus urophasianus) have experienced declines throughout their range over the last 50 years. Long-term declines in sage-grouse abundance in Nevada and Oregon have been attributed to reduced productivity. From 1995-1997, sage-grouse production on Sheldon National Wildlife Refuge (SNWR), Nevada was greater compared to Hart Mountain National Antelope Refuge...
Resource Type:: Masters Thesis
Full Text:: , NEVADA AND HART MOUNTAIN NATIONAL ANTELOPE REFUGE OREGON ............ 62 INTRODUCTION

Advantages of habitat selection and sexual segregation in mule and white-tailed deer

Creator:: Main, Martin Benjamin
Abstract:: I studied sexual segregation in mule deer (Odocoileus hemionus) and white-tailed deer (Q. virginianus) in different environments and at different population densities to test the hypothesis that sexual segregation occurs in ungulates as the result of different reproductive strategies; females select habitat and behave in manners primarily designed to promote...
Resource Type:: Dissertation

ScholarsArchive@OSU

Lamb production differences of bighorn sheep on Hart Mountain, Oregon

Habitat use and population characteristics of bighorn sheep on Hart Mountain National Antelope Refuge, Oregon

Morphometric properties of nivation hollows on Hart Mountain, Lake County, Oregon

Geology and petrology of a 26-Ma trachybasalt to peralkaline rhyolite suite exposed at Hart Mountain, southern Oregon

Habitat use by female greater sage grouse in relation to fire at Hart Mountain National Antelope Refuge, Oregon

Response of brood-rearing habitat of sage grouse to prescribed burning in Oregon

Relationship between habitat changes and productivity of sage grouse at Hart Mountain National Antelope Refuge, Oregon

Quantification of Ecological Change Using Repeat Photography and Ground Based Lidar

Breeding season habitat use and response to management activities by greater sage-grouse on Sheldon National Wildlife Refuge, Nevada

Advantages of habitat selection and sexual segregation in mule and white-tailed deer

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