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Distribution and life history of the black pocket gopher, Thomomys niger Merriam

Creator:: Walker, Kenneth Merriam
Resource Type:: Masters Thesis
Full Text:: Distribution and life history of the black pocket gopher

Plant colonization of gopher mounds in adjacent pasture and prairie communities

Creator:: Macdonald, Catherine A.
Abstract:: I used field experiments to study how plants in two grassland communities colonized soil mounds made by the Camas pocket gopher, Thomomys bulbivorus (Richardson). I identified potential mound colonizers in each source of colonization (buried propagule bank, seed rain, and established vegetation) and then measured species specific rates of colonization...
Resource Type:: Masters Thesis
Full Text:: tunnelling by small mammals and invertebrates (e.g., gophers, moles, mice, ground squirrels, wood chucks

Home range, dispersal, homing and density of the Townsend mole Scapanus townsendii (Bachman) near Tillamook, Oregon

Creator:: Giger, Richard D.
Abstract:: Home range, dispersal, homing and density of Townsend's mole, Scapanus townsendii (Bachman), were studied during 1964 near Tillamook, Oregon. Additional information on the success of marking and capture techniques and the response of moles to flooding was gathered. This study was initiated to supply information which might aid in the...
Resource Type:: Masters Thesis
Full Text:: Townsend's moles . . . . . 11 4 Home range of adult female Townsend' s mole, based on live captures and

The feeding habits of the Mazama pocket gopher in the pine region of South-Central Oregon

Creator:: Burton, Douglas Harlow
Abstract:: The objective of this study was to determine the feeding habits of the Mazama pocket gopher (Thomomys mazama Merriam) in the pine region of south-central Oregon. Damage caused by pocket gophers to conifer regeneration was a major incentive for this research. A permanent reference collection, consisting of epithelial tissue from...
Resource Type:: Masters Thesis

Relation of the northern pocket gopher to forest habitats in south-central Oregon

Creator:: Anderson, R. J.
Abstract:: Reduction of pocket gopher damage to conifer seedlings is important to successful reforestation in many regions of the Pacific Northwest. The objective of this study was to determine the factors that influence the local distribution of the northern pocket gopher (Thomomys talpoides Richardson) in a forested region of south-central Oregon....
Resource Type:: Masters Thesis

The life history and ecology of Townsend's mole Scapanus townsendii (Bachman) in Tillamook County, Oregon

Creator:: Pedersen, Richard J.
Abstract:: Townsend's mole, Scapanus townsendii (Bachman), was studied by live trapping, dead trapping, and observation from July 1961, to July 1963, in Tillamook County, Oregon. This study was initiated at the request of Tillamook County farmers to determine biological facts that would assist them in their efforts to control this small...
Resource Type:: Masters Thesis
Full Text:: . Primary predators of this mole are domestic dogs and cats. Juvenile moles are killed by cattle stepping

Geographic distributions of prey of the northern spotted owl in the central western Cascades, Oregon, 1988-2009

Creator:: Smoluk, Alexis
Abstract:: Spatial variation in the diet of the northern spotted owl (Strix occidentalis caurina) influences owl home ranges, and understanding this relationship will aid managers in forest management prescriptions that influence spotted owl recovery. This study describes the spatial variation in owl diet based on 4183 prey collected at 114 owl...
Resource Type:: Masters Thesis
Full Text:: , especially red tree voles (Arborimus longicaudus), pocket gophers (Thomomys mazama), and rabbits/hares

Kinetic studies of the oxygen requirement of some amine oxidases

Creator:: Swindell, Robert Malcolm
Abstract:: Some kinetics of the oxygen requirement of amine oxidases have been investigated using bovine plasma monoamine oxidase (PAO) and pea seedling diamine oxidase (DAO). A system is described for studying enzyme reactions under controlled oxygen tension and in an O₂-free N₂ atmosphere. O₂ Km values were determined at two different...
Resource Type:: Masters Thesis
Full Text:: -4 to 10 -6 M depending on the enzyme and amine present in the reaction mixture. Ratios of moles

A preliminary investigation of the spotted owl in Oregon

Creator:: Forsman, Eric D.
Abstract:: Between 1970 and 1974, data were collected on the distribution and biology of the spotted owl (Strix occidentalis) in Oregon. One-hundred and sixteen pairs and seven single birds were located. Spotted owls occurred throughout the mountains of western Oregon and on the east slope of the Cascade Range at least...
Resource Type:: Masters Thesis
Full Text:: princeps), and small birds. Predation on showshoe hares, gophers, moles, and insects was heaviest during

Depositional origin of Mima mounds

Creator:: Paeth, Robert C.
Abstract:: An investigation was conducted to determine the origin of Mima mounds in Jackson County, Oregon and Thurston County, Washington. Data on soil morphology, mineralogy, and particle size distribution were used to test the periglacial ice wedge hypothesis, the gopher hypothesis, the erosional hypothesis, and the loess hypothesis. The results of...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Distribution and life history of the black pocket gopher, Thomomys niger Merriam

Plant colonization of gopher mounds in adjacent pasture and prairie communities

Home range, dispersal, homing and density of the Townsend mole Scapanus townsendii (Bachman) near Tillamook, Oregon

The feeding habits of the Mazama pocket gopher in the pine region of South-Central Oregon

Relation of the northern pocket gopher to forest habitats in south-central Oregon

The life history and ecology of Townsend's mole Scapanus townsendii (Bachman) in Tillamook County, Oregon

Geographic distributions of prey of the northern spotted owl in the central western Cascades, Oregon, 1988-2009

Kinetic studies of the oxygen requirement of some amine oxidases

A preliminary investigation of the spotted owl in Oregon

Depositional origin of Mima mounds

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