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Status and habitat use of California bighorn sheep on Hart Mountain, Oregon

Creator:: Kornet, Christine Anne
Abstract:: California bighorn sheep (Ovis canadensis californiana) were studied on Hart Mountain, Oregon, during the summer and fall of 1976, and the spring of 1977. The population consisted of a minimum of 196 sheep in June, 1977. The high number of lambs observed and high lamb:ewe ratios throughout both years of...
Resource Type:: Masters Thesis

Aspects of the social structure of the California ground squirrel (Spermophilus beecheyi) in western Oregon

Creator:: Bickford, Carol E.
Abstract:: A population of Spermophilus beecheyi was studied to determine patterns of individual spacing, behavioral interactions among different sex and age classes, and the relationship between aspects of S. beecheyi social structure and sociality to those of other sciurids. Research was conducted on a population of squirrels living in an abandoned...
Resource Type:: Masters Thesis

Status and habitat preference of California bighorn sheep on Sheldon National Wildlife Refuge, Nevada

Creator:: Hansen, Michael Charles
Abstract:: A herd of California bighorn sheep (Ovis canadensis californiana), re-introduced to the area of Hell Creek on the Sheldon National Wildlife Refuge in northwestern Nevada, was studied from 15 June 1978 to 20 August 1980. Major vegetation and physiographic types were delineated and described. Habitat preferences were determined from field...
Resource Type:: Masters Thesis

Leadership behavior and foraging strategies of a herd of Roosevelt elk inhabiting the Oregon Coast Range

Creator:: Marquez, Monica
Abstract:: A cow-calf herd of Roosevelt elk (Cervus elaphus roosevelti) resident to Indian Creek Research Center (ICRC), Oregon was observed June-August, 1985 and March-August, 1986. Cows at ICRC reproduced in alternate years; cows with calves led the herd a significantly greater number of times than cows without calves (1985, P <...
Resource Type:: Masters Thesis

Factors influencing spawning site choice by female Garibaldi, Hypsypops rubicundus (Pisces: Pomacentridae)

Creator:: Sikkel, Paul C.
Abstract:: The garibaldi, Hypsypops rubicundus, is a sexually monochromatic pomacentrid found in rocky subtidal areas of Southern and Baja California. During the spawning season, males attempt to attract females to a nest of red algae located within individually defended territories. Females were observed to enter the nests of several males before...
Resource Type:: Masters Thesis

Use of the Judas goat technique to eradicate the remnant feral goat population on San Clemente Island, California

Creator:: Seward, Dawn R'Lene
Abstract:: Feral goat (Capra hircus) populations adversely impact native insular biota and physical habitats worldwide. The effectiveness of the Judas goat technique for eradicating remnant feral goats was studied on San Clemente Island (SCI), California from June 1989 through April 1991. By April 1991, 263 feral goats were killed on SCI;...
Resource Type:: Masters Thesis

Population attributes and habitat selection of recolonizing mountain beaver (Aplodontia rufa)

Creator:: Hacker, Amy L.
Abstract:: I investigated the population attributes and habitat selection of mountain beaver (Aplodontia rufa) recolonizing clearcuts in the Coast Range mountains of Polk and Lincoln counties, Oregon between June 1989 and August 1990. The population characteristics of colonizing mountain beaver were evaluated in 12 stands of 3 types: 1-year-old clearcuts assumed...
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

The effects of forage improvement practices on Roosevelt elk in the Oregon Coast Range

Creator:: Stussy, Rosemary J.
Abstract:: Forage availability, diets, distribution, and productivity were compared for Roosevelt elk, Cervus elaphus roosevelti, using improved (i.e. seeded, fertilized, and grazed) and untreated areas of the Oregon Coast Range. Seasonal forage availability was substantially different on 1-year-old improved and untreated clearcuts, but the differences diminished by clearcut age 4 and...
Resource Type:: Masters Thesis

Analysis of lion-tailed macaque habitat fragmentation using satellite imagery

Creator:: Krishnamurthy, Ramesh S. (Ramesh Saligrama), 1964-
Abstract:: Deforestation and forest fragmentation are the primary threats to the habitat of endangered lion-tailed macaques, Macaca silenus, in Karnataka, India. Landsat satellite images of northwest Karnataka, India, from 1977 and 1990 were analyzed. Two study sites, measuring 16.35 x 19.14 km (31,213 ha) and 14.34 x 21.44 km (30,561 ha),...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Status and habitat use of California bighorn sheep on Hart Mountain, Oregon

Aspects of the social structure of the California ground squirrel (Spermophilus beecheyi) in western Oregon

Status and habitat preference of California bighorn sheep on Sheldon National Wildlife Refuge, Nevada

Leadership behavior and foraging strategies of a herd of Roosevelt elk inhabiting the Oregon Coast Range

Factors influencing spawning site choice by female Garibaldi, Hypsypops rubicundus (Pisces: Pomacentridae)

Use of the Judas goat technique to eradicate the remnant feral goat population on San Clemente Island, California

Population attributes and habitat selection of recolonizing mountain beaver (Aplodontia rufa)

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

The effects of forage improvement practices on Roosevelt elk in the Oregon Coast Range

Analysis of lion-tailed macaque habitat fragmentation using satellite imagery

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