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Habitat relationships of native and non-native fishes of the Willamette River, Oregon

Creator:: Williams, Joshua E.
Abstract:: The Willamette River flows north between the Cascade Mountains and Coast Range of western Oregon within a 29,728-km² basin. The fish community in the geologically young basin consists of 36 native species, but introductions of non-native fishes have added 33 additional species for a total of 69 fish species. During...
Resource Type:: Masters Thesis
Full Text:: Willamette River, Oregon AN ABSTRACT OF THE THESIS OF Joshua E. Williams for the

The Ecophysiology of Thiamine Deficiency Complex : Evaluating Sources of Thiaminase in Great Lakes Food Webs

Creator:: Evans, Allison N.
Abstract:: Thiamine (vitamin B₁) is required by all living organisms for carbohydrate metabolism and synthesis of amino acids. Thiamine deficiency is responsible for several related classes of early life stage mortality disorders in salmonines, including Thiamine Deficiency Complex (TDC) in the Laurentian Great Lakes, Cayuga Syndrome in the Finger Lakes, and...
Resource Type:: Dissertation
Full Text:: : ___________________________________________________________________ Scott A. Heppell Thiamine (vitamin B1) is required by all living organisms for carbohydrate

The ecology of Mountain Quail in Oregon

Creator:: Pope, Michael D. (Michael Dickens)
Abstract:: Mountain Quail (Oreortyx pictus) populations have declined in many areas of the western Great Basin during the past century. Yet the life history of this species is little known. From 1997 to 2000, I studied radio-marked Mountain Quail in Hell's Canyon in northeastern Oregon, in the Cascade Mountains of southwestern...
Resource Type:: Dissertation
Full Text:: Mountain Quail in Oregon. Abstract approved: John A. Crawford Mountain Quail (Oreortyx pictus

Genomics of migration : from marine distributions of salmonids to mechanisms of olfactory and magnetic cue perception for natal homing

Creator:: Bellinger, M. Renee
Abstract:: Substantial scientific investment has been directed towards understanding factors that influence distribution patterns and animals' remarkable ability for precise orientation and navigation, yet fundamental gaps in our knowledge remain. In my dissertation, I applied emerging genetic technologies to conduct a top-down and bottom-up investigation of animal movement and cue perception....
Resource Type:: Dissertation
Full Text:: Michael A. Banks Substantial scientific investment has been directed towards understanding

Long Term Trends and Sources of Sound in United States Waters

Creator:: Haver, Samara M.
Abstract:: Passive acoustic monitoring is a valuable tool for observing the status of marine environments. Comparisons of underwater soundscapes over temporal and spatial scales can provide data to inform marine conservation efforts, including protection of threatened and endangered species. This dissertation utilizes passive acoustic data collected via a broadly spaced array...
Resource Type:: Dissertation
Full Text:: States Waters. Abstract approved: ______________________________________________________ Scott A

White-breasted nuthatch density and nesting ecology in oak woodlands of the Willamette Valley, Oregon

Creator:: Viste-Sparkman, Karen
Abstract:: Habitat loss causes a reduction in available resources for wildlife, alters the configuration of remaining habitat, and may isolate wildlife populations. White-breasted nuthatches (Sitta carolinensis) are experiencing long-term population declines in the Willamette Valley of Oregon, where they are historically associated with oak woodlands. As secondary cavity-nesters, white-breasted nuthatches may...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: __________________________________________________________________ Richard A

Site tenacity, mate retention and sexual dimorphism in Black Terns

Creator:: Stern, Mark A.
Abstract:: Between 1982-1984 I studied site tenacity and mate retention in Black Terns at Sycan Marsh, Lake County, Oregon. I banded 778 adult Black Terns and used this marked population to test the hypotheses that site tenacity and mate retention would be less for Black Terns which nest in variable marsh...
Resource Type:: Masters Thesis
Full Text:: M.W. Weller. 1970. A comparative study of nesting Forster's and Black Terns. Wilson Bull. 82:435-444

Fall migration of mourning doves in the western management unit

Creator:: Miles, A. Keith
Resource Type:: Masters Thesis
Full Text:: AN AB3TRACT OF THE THESIS OF A. KEITH MILES for the degree of

You are What, When, Where, and How you Eat : Mercury in Avian Food Webs across Multiple Spatial Scales

Creator:: Jackson, Allyson K.
Abstract:: Human alterations of landscapes take many forms, one of which is anthropogenic pollution. Mercury (Hg) is a complex contaminant because its uptake into the food web is not driven entirely by loading to the system; methylation is necessary to make Hg bioavailable and toxic to fish and wildlife. Because methylation...
Resource Type:: Dissertation
Full Text:: WESTERN UNITED STATES AND CANADA Allyson Jackson, David C. Evers, Collin A. Eagles-Smith, Joshua T

Factors associated with dusky Canada goose nesting and nest success on artificial nest islands of the western Copper River Delta

Creator:: Maggiulli, Nicole Marie
Abstract:: The population of dusky Canada geese (Branta canadensis occidentalis; hereafter, dusky geese) nesting on the western Copper River Delta (CRD) in south- central Alaska has been in decline since the late 1970s. In an effort to alleviate mammalian predation, increase nest success, and avoid a listing under the U.S. Endangered...
Resource Type:: Masters Thesis
Full Text:: avoid a listing under the U.S. Endangered Species Act, an artificial nest island (island) program was

ScholarsArchive@OSU

Habitat relationships of native and non-native fishes of the Willamette River, Oregon

The Ecophysiology of Thiamine Deficiency Complex : Evaluating Sources of Thiaminase in Great Lakes Food Webs

The ecology of Mountain Quail in Oregon

Genomics of migration : from marine distributions of salmonids to mechanisms of olfactory and magnetic cue perception for natal homing

Long Term Trends and Sources of Sound in United States Waters

White-breasted nuthatch density and nesting ecology in oak woodlands of the Willamette Valley, Oregon

Site tenacity, mate retention and sexual dimorphism in Black Terns

Fall migration of mourning doves in the western management unit

You are What, When, Where, and How you Eat : Mercury in Avian Food Webs across Multiple Spatial Scales

Factors associated with dusky Canada goose nesting and nest success on artificial nest islands of the western Copper River Delta

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