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Herbicidal agents as possible aids for roguing diseased seed-potato plants

Creator:: Barnes, George Lewis
Resource Type:: Dissertation
Full Text:: GEORGE LEWIS BARNES A THESIS aupmitted to OREGON STATE COLLEGE in partial fulfillment or the

The identity and host relations of the late-breaking virus

Creator:: Raymer, William Bruce
Resource Type:: Dissertation
Full Text:: wishes to express his sincere approda- tion to Dr. John A. ì',i1brath for his help and inspiration

The water economy of the Sage Sparrow, Amphispiza belli nevadensis (Ridgway)

Creator:: Moldenhauer, Ralph Roy
Abstract:: This study investigated several physiological aspects of the water economy of the Sage Sparrow, Amphispiza belli nevadensis,as they relate to the ability of this species to inhabit xeric desert environments. When maintained in captivity on a dry diet without drinking water, Sage Sparrows gradually lost weight and died. During the...
Resource Type:: Dissertation
Full Text:: , AMPHISPIZA BELLI NEVADENSIS (RIDGWAY). Redacted for privacy Abstract approved: Ty. John A. Wiens This study

Polygyny in the bobolink : habitat quality and the adaptive complex

Creator:: Martin, Stephen George, 1941-
Abstract:: The adaptiveness of polygyny in passerines poses a particularly intriguing problem. The altricial young of this group require extended parental care, but young of polygynous pairings generally lack the undivided attention of the male which young of monogamous pairings receive. Polygynous offspring may thus be undernourished and experience greater mortality....
Resource Type:: Dissertation
Full Text:: to express my appreciation. Foremost among these are Drs. John A. Wiens (Oregon State University

Ecological relationships of birds in forests of western Oregon

Creator:: Anderson, Stanley H.
Abstract:: The avifaunal composition of ten western Oregon forest stands located at the eastern base of the Coast Range was examined on a seasonal basis. The stands were dominated by Oregon white oak, Douglas fir or western hemlock, Avian populations were sampled monthly from January 1968 to January 1970, using permanent...
Resource Type:: Dissertation
Full Text:: OF BPDS IN FORESTS OF WESTERN OREGON Redacted for Privacy Abstract approved: DI(-J-ohn A. Wiinis

The behavior of the pea crab Fabia subquadrata in relation to its mussel host, Mytilus californianus

Creator:: Lidrich, Joseph Stanley
Abstract:: The pea crab Fabia subquadrata is frequently found as a symbiont of mussels, living within the mantle cavity. This study examined the nature of this symbiotic relationship by recording the pattern of distribution of individuals in a mussel bed, testing responsiveness to host secretions, and observing the feeding mechanics and...
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for privacy UJohn A. Wiens The pea crab Fabia subquadrata is frequently found

Creep of tungsten dispersion strengthened by ZrO₂

Creator:: Blickensderfer, Robert
Abstract:: Tungsten alloys containing approximately 0.75 and 2.3 vol pct Zr0₂ were prepared by powder metallurgical methods from blends of commercial tungsten powder and ZrW₂ powder. A heat treatment of the extruded rods at 1800°C was found to produce a stable structure with a dispersion of Zr0₂ particles in the tungsten...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy Dr. John A. MbCamb Tungsten alloys containing approximately 0.75 and 2.3 vol pct Zr02

Singing behavior of the Bewick's wren : development, dialects, population structure, and geographical variation

Creator:: Kroodsma, Donald E.
Abstract:: The songs of the Bewick's Wren are discrete units of one to three seconds duration with intersong intervals several times the length of the song. Individual song repertoires at the William Finley National Wildlife Refuge, Oregon, range from 13 to 20 song types, and a given song type is repeated...
Resource Type:: Dissertation
Full Text:: Redacted for privacy (!John A. Wiens Abstract approved: The songs of the Bewick's Wren are discrete units

Isothermal aging of vapor deposited aluminum-copper alloy films

Creator:: McBee, William C.
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Drr John A. McComb Aluminum 4 weight percent copper alloy films were prepared by

Resource allocation in four syntopic species of marine diving birds

Creator:: Scott, James Michael, 1941-
Abstract:: During 1969-1971 I studied patterns of resource allocation and behavioral interaction among Brandt's Cormorants, Pelagic Cormorants, Common Murres and Pigeon Guillemots in the area of a breeding colony on Yaquina Head on the central Oregon coast. Extensive studies of the breeding colony were combined with detailed observations of the distribution,...
Resource Type:: Dissertation
Full Text:: John A. Wiens, who, in addition to fulfilling the normal functions of a major professor, provided

ScholarsArchive@OSU

Herbicidal agents as possible aids for roguing diseased seed-potato plants

The identity and host relations of the late-breaking virus

The water economy of the Sage Sparrow, Amphispiza belli nevadensis (Ridgway)

Polygyny in the bobolink : habitat quality and the adaptive complex

Ecological relationships of birds in forests of western Oregon

The behavior of the pea crab Fabia subquadrata in relation to its mussel host, Mytilus californianus

Creep of tungsten dispersion strengthened by ZrO₂

Singing behavior of the Bewick's wren : development, dialects, population structure, and geographical variation

Isothermal aging of vapor deposited aluminum-copper alloy films

Resource allocation in four syntopic species of marine diving birds

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