Index Catalog // ScholarsArchive@OSU

Size variation and food habits of larval bullfrogs, Rana catesbeiana Shaw, in western Oregon

Creator:: Brown, Randall Errol
Abstract:: An investigation was made of the factors which cause differences in growth rates and transformation size of bullfrog tadpoles under natural conditions. Tadpoles and algal samples were collected from two.adjacent farm ponds of similar size during the eighteen months of the study. It was found that the tadpoles in one...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF TILE THESIS OF RANDALL ERROL BROWN for the Ph.D

A distributional study of the birds of Montana

Creator:: Davis, Clifford Vernon, 1914-
Resource Type:: Dissertation
Full Text:: . Family CiHT-IILA: Creepers . . . . . . . . . . 2( Certhia familiaris: Brown Creeper . . . . . 275

Food habits of the Pacific mountain beaver, Aplodontia rufa pacifica Merriam

Creator:: Voth, Elver Howard, 1923-
Resource Type:: Dissertation
Full Text:: older "aggregate percentage" for reasons justified by Martin, Gensch, and Brown (226). The SCA

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:: ), Abramsky and Sellah (1982), Blaustein (1980), Brown (1971), Chappell (1978), Price (1978), Redfield et al

Geographic variation and systematics of the western Plethodon

Creator:: Brodie, Edmund D.
Abstract:: The western Plethodon include vandykei vandykei, v. idahoensis, larselli, dunni,vehiculum, stormi, elongatus, and an undescribed form referred to as the "unstriped" Plethodon. These salamanders have been placed into three species groups: the Vandykei group, the Vehiculum group, and the Elongatus group. Range maps are provided and geographic variation is discussed...
Resource Type:: Dissertation

A study of temperature acclimation in the salamanders Plethodon dunni Bishop, Plethodon vehiculum Cooper, and Aneides ferreus Cope

Creator:: Johnson, Oliver William
Resource Type:: Masters Thesis
Full Text:: . Denzel E. Ferguson and Allen L. Steinhauer and others who helped me to collect some of the

Experimental hybridization between Rana pretiosa pretiosa Baird and Girard and Rana cascadae Slater

Creator:: Haertel, John David
Abstract:: Experimental crosses between Rana pretiosa pretiosa Baird and Girard and Rana cascadae Slater, resulted in viable hybrids. Reciprocal differences at the time of fertilization are indicated. A high level of success in producing viable hybrids can be obtained if Rana pretiosa pretiosa is the female of the parent species, The...
Resource Type:: Masters Thesis
Full Text:: brown. Length at this time ranged from 7. 9 mm to 9.7 mm. The heart beat (stage 19) was difficult to

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:: a moderately fine textured, well drained yellowish -brown Lateritic soil developed from residium

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:: brown. The first frost of 1966 occurred on 21 October, and within a week the bracken had become brown

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:: rest of the body a uniform brown. The beta 8 type had a swollen loreal region, broader muzzle, and

ScholarsArchive@OSU

Size variation and food habits of larval bullfrogs, Rana catesbeiana Shaw, in western Oregon

A distributional study of the birds of Montana

Food habits of the Pacific mountain beaver, Aplodontia rufa pacifica Merriam

Small mammal micro- and macrohabitat selection in streamside ecosystems

Geographic variation and systematics of the western Plethodon

A study of temperature acclimation in the salamanders Plethodon dunni Bishop, Plethodon vehiculum Cooper, and Aneides ferreus Cope

Experimental hybridization between Rana pretiosa pretiosa Baird and Girard and Rana cascadae Slater

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

A capture-recapture analysis of a mountain beaver population in western Oregon

Systematics of the salamander genus Dicamptodon strauch (Amphibia: Caudata: Ambystomatidae)

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