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Variations in salinity tolerance in the Pacific Treefrog, Hyla regilla, in Oregon

Creator:: Roberts, James Oliver
Abstract:: Eggs, larvae and adults of the four subspecies of Hy la regilla occurring in Oregon as given by Jameson, Mackey and Richmond (1966) were collected and subjected to salt stress in a series of graded seawaters. It was found that in all cases adults were more tolerant than larvae and...
Resource Type:: Dissertation
Full Text:: student) Zoology (Major) presented on Ph. D. (Degree) Title: VARIATIONS IN SALINITY TOLERANCE IN THE

Thermal ecology of the garter snakes Thamnophis sirtalis concinnus (Hallowell) and Thamnophis ordinoides (Baird & Girard)

Creator:: Stewart, Glenn R.
Abstract:: In recent years, studies dealing with temperature regulation, temperature sensitivity, and physiological responses to temperature in lizards and other reptiles have increased tremendously. It is notable that snakes have been largely ignored in such studies. This no doubt is due to their less direct relationship to ancestral endotherms. However, problems...
Resource Type:: Dissertation
Full Text:: . STEWART for the Ph. D. in Zoology (Name) (Degree) (Major) Date thesis is presented > Title THERMAL

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

The geographic variation and distribution of the long-toed salamander, Ambystoma macrodactylum Baird

Creator:: Ferguson, Denzel
Resource Type:: Dissertation
Full Text:: bi J. i.. Townsend, N. D. "Body rather more slender than in the other species of Ambystoma; the

The function of orange breeding coloration in the social behavior of the long-nosed leopard lizard (Gambelia wislizenii)

Creator:: Moore, Edith
Abstract:: The role of orange coloration in the breeding behavior of Gambelia wislizenii was examined in the Alvord Basin of southeast Oregon. Behavioral observations of free ranging lizards supplemented field experiments where I manipulated the sex and color of lizards encountered by resident female G. wislizenii before and after they acquired...
Resource Type:: Masters Thesis
Full Text:: orange females. EXPERIMENTAL MANIPULATION REACTION ORANGE? X PLAIN ? ORANGE? X PLAIN d, ORANGE? X

The effect of thiouracil on the daily activity patterns of the golden-crowned sparrow, Zonotrichia atricapilla (Gmelin)

Creator:: Bawdon, Eugene Dale
Resource Type:: Masters Thesis
Full Text:: on and the bt rda a..-d to •ate leaa food. A11 bf rda were kept tn a aecluded roc. with two large

The ecological sympatric relations of Plethodon dunni and Plethodon vehiculum

Creator:: Dumas, Philip Conrad
Resource Type:: Dissertation
Full Text:: Container D. 360C Container E. 320C Container F. 28°C Container G. 26°C Container FLure 4 Time

The early development of Ambystoma macrodatylum baird, with emphasis on the larval stages

Creator:: Hollenbeck, Robert Rudolph
Abstract:: The embryonic and larval stages of the long-toed salamander, Ambystoma macrodactylum are described from fertilization through the development of five toes on the posterior limbs. New stage numbers are employed in the description of the hind limb. The eggs used in the study were obtained by the injection of pituitary...
Resource Type:: Masters Thesis

The distribution of amphibians and reptiles of Wallowa County, Oregon

Creator:: Ferguson, Denzel
Resource Type:: Masters Thesis
Full Text:: suggestions and, guidance have greatly contributed to this manuscript. Ny family, Nr. and. Mrs. Leonard D

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:: of escape Shift in direction with escape* Escape movement Terminus d escape Substrate upon which

ScholarsArchive@OSU

Variations in salinity tolerance in the Pacific Treefrog, Hyla regilla, in Oregon

Thermal ecology of the garter snakes Thamnophis sirtalis concinnus (Hallowell) and Thamnophis ordinoides (Baird & Girard)

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

The geographic variation and distribution of the long-toed salamander, Ambystoma macrodactylum Baird

The function of orange breeding coloration in the social behavior of the long-nosed leopard lizard (Gambelia wislizenii)

The effect of thiouracil on the daily activity patterns of the golden-crowned sparrow, Zonotrichia atricapilla (Gmelin)

The ecological sympatric relations of Plethodon dunni and Plethodon vehiculum

The early development of Ambystoma macrodatylum baird, with emphasis on the larval stages

The distribution of amphibians and reptiles of Wallowa County, Oregon

The behavioral ecology of larval and neotonic northwestern salamanders (Ambystoma gracile)

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