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The respiratory ecology of the rough-skinned newt Taricha granulosa (Skilton)

Creator:: Smith, John Martin
Abstract:: An investigation was undertaken to determine if respiratory changes might occur in conjunction with migrations of the rough-skinned newt, Taricha granulosa (Skilton) in and out of ponds in the Willamette Valley. A field study was carried on from December 1964 through October 1965 to investigate certain physical and chemical parameters...
Resource Type:: Dissertation

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:: Baird and Girard and Rana cascadae Slater AN ABSTRACT OF THE THESIS OF JOHN DAVID HAERTEL for the M

The habitat requirements and ecological relationships of Microtus oregoni (Bachman), Microtus townsendii (Bachman), and Microtus montanus (Peale) in Benton County, Oregon

Creator:: Goertz, John William
Abstract:: The object of this research is to ascertain the habitat occupied by each of the three species of voles of the genus Microtus found living in Northern Benton County, Oregon.
Resource Type:: Masters Thesis
Full Text:: TOWNSENDII (BACHNAN), AND MICROTUS MONTANUS (PEALE) IN BENTON COUNTY, OREGON JOHN WILLIAM GOERTZ A

A comparative study of the chromosomes from five species of the genus Rana

Creator:: Haertel, John David
Abstract:: The karyotypes of five species of ranid frogs were determined from metaphase plates of bone marrow cells. The colchicine, hypotonic- citrate, blaze-dry technique was used to obtain the plates. Morphometric datawere obtained from the karyotypes and compared with other species of the genus Rana. Like most other members of the...
Resource Type:: Dissertation
Full Text:: of the genus Rana AN ABSTRACT OF THE THESIS OF JOHN DAVID HAERTEL for the (Name of student) in

Summering birds of the Cape Arago region, Coos County, Oregon

Creator:: Giesler, John Calvin
Resource Type:: Masters Thesis
Full Text:: , Oregon S US ' .ING BIRDS OF THE CAPE ARAGO REGION COOS COUNTY, OREGON by JOHN CALVIN GIESLER A

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:: moral support. Appreciation is further extended to Professor Frank M. Beer and Drs. William W

A dietary and morphometric analysis of sceloporine (Iguanidae) lizard populations

Creator:: White, Robert Lewis, II
Abstract:: Analyses of sympatric and allopatric populations of Sceloporus occidentalis and S. graciosus from central Oregon indicate a high degree of similarity in diet. Relative abundance, the equivalent number of equally common taxa (E), and the probability of similarity (SIMI) were used in the analyses. Shifts in diet between populations of...
Resource Type:: Dissertation
Full Text:: time for his students when we needed him as a sounding board. Drs. John Wiens, Peter Dawson, and John

Experimental crosses between Rana aurora Baird and Girard and Rana aurora cascadae Slater

Creator:: Porter, Kenneth Raymond
Resource Type:: Masters Thesis
Full Text:: the research of John A. Moore, E. Peter Volpe, and W. Frank Blair on frogs and toads. For example

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

Creator:: Voth, Elver Howard, 1923-
Resource Type:: Dissertation
Full Text:: facilities. Mr. John Thompson gave permission to use the site chosen on his property. Dr. William

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:: ). Deviations from Hardy-Weinberg (H-W) proportions can be represented by the generalized inbreeding

ScholarsArchive@OSU

The respiratory ecology of the rough-skinned newt Taricha granulosa (Skilton)

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

The habitat requirements and ecological relationships of Microtus oregoni (Bachman), Microtus townsendii (Bachman), and Microtus montanus (Peale) in Benton County, Oregon

A comparative study of the chromosomes from five species of the genus Rana

Summering birds of the Cape Arago region, Coos County, Oregon

Aspects of the autecology of the plethodontid salamander, Aneides ferreus (Cope)

A dietary and morphometric analysis of sceloporine (Iguanidae) lizard populations

Experimental crosses between Rana aurora Baird and Girard and Rana aurora cascadae Slater

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

Geographic variation in Dunn's salamander Plethodon dunni Bishop (Amphibia:Caudata:Plethodontidae)

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