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Filtering by: Creator Hunt, Douglas L. Remove constraint Creator: Hunt, Douglas L. Contributor advisor sim Storm, Robert M. Remove constraint Contributor advisor sim: Storm, Robert M. Degree Level Doctoral Remove constraint Degree Level: Doctoral Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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An analysis of a population of snowshoe hares, Lepus americanus washingtonii Baird, in western Oregon

Creator:

Black, Hugh C., 1941-

Abstract:

The ecology of a population of snowshoe hares, Lepus americanus washingtonii, was studied in western Oregon from 1960 to 1962. Objectives were to obtain information to control hares, which frequently cause damage to coniferous reproduction in the region, and to compare the life history of this little-studied subspecies with others....

Resource Type:

Dissertation

Full Text:

Douglas -fir. Traps usually were set for three successive days at monthly intervals. Trapped hares
Small mammal micro- and macrohabitat selection in streamside ecosystems

Creator:

Doyle, Arlene T.

Abstract:

During summer and fall of 1981 to 1983, mark-recapture was conducted in riparian and upland habitats within old-growth and mature forests in the Cascade Range of Oregon. Number of individuals and species richness were greater in riparian than upland habitat. For most species, the mean adult weights and the percentages...

Resource Type:

Dissertation

Full Text:

recently fallen logs, and reduced cover of Douglas-fir. To investigate patterns of competition
The behavioral ecology of larval and neotonic northwestern salamanders (Ambystoma gracile)

Creator:

Taylor, James Thomas

Abstract:

In the summers of 1973, 1974 and 1975, I investigated population age structure and density, and behaviors relating to habitat selection, predator avoidance and intraspecific interaction in a population of northwestern salamanders in a lake in the Oregon Cascade Mountains. The study was carried out by skin- and scuba-diving at...

Resource Type:

Dissertation

Full Text:

observa- tion, and after escape movement. MG = mud/grass; G = grass; W = wood; M = bare mud; L = log; 0
A distributional study of the birds of Montana

Creator:

Davis, Clifford Vernon, 1914-

Resource Type:

Dissertation

Full Text:

eleven hundred of the skins used in this study. Dre. Philip L. rirht and Robert S. Hoffmann permitted
A capture-recapture analysis of a mountain beaver population in western Oregon

Creator:

Lovejoy, Bill Pertl

Abstract:

This report summarizes the results of a field study of a population of the Pacific mountain beaver, Aplodontia rufa pacifica, from August 1965 through August 1967. The study site consisted of a 13. 5- acre grid on a logged over area in the Coast Range Mountains of Benton County, Oregon....

Resource Type:

Dissertation

Full Text:

Thompson Timber Company generously granted permission to conduct the study on his property. Dr. Wayland L
Food habits of the Pacific mountain beaver, Aplodontia rufa pacifica Merriam

Creator:

Voth, Elver Howard, 1923-

Resource Type:

Dissertation

Full Text:

Northwest forest industry on natural and planted regeneration sites, primarily to Douglas fir, by clipping
Investigation of the circadian rhythm of locomotion in the rough-skinned newt, Taricha granulosa

Creator:

Briggs, Jeffrey Lawrence

Abstract:

Over 56,000 hours of locomotor activity of Taricha granulosa were recorded using two types of low cylindrical plastic monitoring chambers. This species shows distinct rhythms of activity under normal day-night cycles, shortened day-night cycles, constant darkness (DD) and constant light (LL). The rough-skinned newt is day active and crepuscular. I...

Resource Type:

Dissertation

Full Text:

, Oregon. Most animals were captured by an L-shaped drift fence with drop cans as they migrated into the
Systematics of the salamander genus Dicamptodon strauch (Amphibia: Caudata: Ambystomatidae)

Creator:

Nussbaum, Ronald A.

Abstract:

Dicamptodon is the single, extant genus of the ambystomatid subfamily Dicamptodontinae. Two species, D. ensatus (Eschscholtz) and D. copei Nussbaum are recognized. D. ensatus is found in the forested, mountain regions of northwestern California and western Oregon, in the Willapa Hills and Cascade Mountains of Washington, in extreme southwestern British...

Resource Type:

Dissertation

Full Text:

//7 / l( Typed by Margaret Nussbaum for Ronald A. Nussbaum ACKNOWLEDGMENTS I want to especially
Aspects of the autecology of the plethodontid salamander, Aneides ferreus (Cope)

Creator:

McKenzie, Donald Samuel

Abstract:

Laboratory experiments and simulated field conditions were utilized to gain a better understanding of the ecology of the clouded salamander. Animals collected in western Oregon were utilized for studies in habitat selection, where it was shown that there was a significant pattern of selection of litter types (rock, bark, and...

Resource Type:

Dissertation

Full Text:

. Thanks are also due to Drs. Edmund 0. Brodie, James L. Kezer and Thomas R. Darrow for their aid in
Geographic variation in Dunn's salamander Plethodon dunni Bishop (Amphibia:Caudata:Plethodontidae)

Creator:

Hanlin, Hugh Grady

Abstract:

Life history attributes and apparent distributional patterns suggest that Plethodon dunni exists as small, semi-isolated populations throughout its range. Isozyme and morphological variation in this species was examined to determine any possible geographic trends. Starch gel electrophoresis was utilized to examine genetic variation at 24 isozyme loci in 287 individuals...

Resource Type:

Dissertation

Full Text:

(SB); Siuslaw River Rd., 5.3 mi. S. of Junction of Wolf Cr., Douglas Co., OR (SI); confluence of

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Academic Affiliation

Zoology17
General Science1

Advisor

Storm, Robert M.18

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1952 to 1986

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Committee Member

Beer, Frank M.1
Chilcote, William W.1
Humphrey, Donald G.1
Pattullo, June G.1
Pearcy, William G.1

Creator

Black, Hugh C., 1941 1
Briggs, Jeffrey Lawrence1
Brodie, Edmund D.1
Darrow, Thomas D.1
Davis, Clifford Vernon, 1914 1
more Creators »

Date

Date range begin – Date range end

Current results range from 1952 to 1985

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Decade

1980-19892
1970-19795
1960-19697
1950-19594

Degree Field

Zoology17
General Science1

Degree Level

Doctoral[remove]18

Degree Name

Doctor of Philosophy (Ph.D.)18

Language

English [eng]18

Non-Academic Affiliation

Oregon State University. Graduate School18

Peer Reviewed

No18

Resource Type

Dissertation18

Rights Statement

Copyright Not Evaluated[remove]18

Subject

Salamanders4
Newts3
Aneides ferreus1
Animal heat1
Aplodontia1
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