Index Catalog // ScholarsArchive@OSU

Harlequin duck demography during winter in Prince William Sound, Alaska : effects of the Exxon Valdez oil spill

Creator:: Esler, Daniel
Abstract:: The 1989 Exxon Valdez oil spill was a major perturbation of nearshore habitats of Prince William Sound, a wintering area for harlequin ducks (Histrionicus histrionicus). This research was designed to evaluate harlequin duck population recovery from the oil spill from 1995 to 1998, using a demographic approach to assess both...
Resource Type:: Dissertation
Full Text:: Ballachey, Merav Ben-David, Jim Bodkin, Tim Bowman, Terry Bowyer, Tom Dean, Larry Duffy, Greg Golet, Steve

A Comparative Study of Foraging Behavior and Disturbance Regimes in Urban Versus Agricultural Habitats used by Cackling Geese Wintering in the Willamette Valley, Oregon

Creator:: Harrington, Erin R.
Abstract:: The Cackling goose (Branta hutchinsii minima) population has increased from a low of 20,000 in 1984 to the current population of 220,000-300,000 (Stehn 2012, Sanders 2013). As the Cackling goose population began to recover in the late 1990s, the majority of the population relocated from wintering in California to the...
Resource Type:: Masters Thesis
Full Text:: . And thanks to Jim Rivers for giving me my first opportunity to assist with fieldwork, which further

Assessment of mule deer fawn survival and birth site habitat attributes in south-central Oregon

Creator:: Speten, David
Abstract:: Mule deer (Odocoileus hemionus) populations in south-central Oregon are near their lowest levels since census efforts began in 1961. I investigated fawn survival, cause-specific mortality, and factors contributing to mortality from 2010 – 2012 to identify potential causes for the decline. I also explored pre-parturition and parturition site characteristics. I...
Resource Type:: Masters Thesis
Full Text:: . ............................................................. 67 DEDICATION I dedicate this to my parents Jim and Donna Speten who

Golden Eagles in Denali National Park and Preserve : productivity and survival in relation to landscape characteristics of nesting territories

Creator:: McIntyre, Carol L.
Abstract:: Denali National Park and Preserve (Denali) contains one of the highest densities of nesting Golden Eagles (Aquila cluysaetos) in North America. Productivity of this migratory population varies both temporally and spatially. Regardless of prey abundance, more fledglings are consistently produced at some nesting territories than others. In many raptor studies,...
Resource Type:: Dissertation
Full Text:: , Aaron Foos, Jim Hawkins, Nancy Hughes, Jonathan Keating, Floyd Kunnas, Rich Lowell, Kim Morton, Keith

Juvenile survival and birth-site selection of Rocky Mountain elk in northeastern Oregon

Creator:: Rearden, Spencer N.
Abstract:: With declining populations and low calf recruitment in northeastern Oregon, much interest has been generated to study the survival rates and causes of mortality of Rocky Mountain elk (Cervus elaphus nelsoni). I investigated the causes of elk calf mortality and the effects of predation risk on birth-site selection by cow...
Resource Type:: Masters Thesis
Full Text:: field: Scott Findholt, Jim Noyes, Cilla Coe, Vic Coggins, Pat Matthews, Mike Hansen, and Jim Cadwell

Double-crested Cormorants (Phalacrocorax auritus) and Brandt’s Cormorants (P. penicillatus) Breeding at East Sand Island in the Columbia River Estuary : Foraging Ecology, Colony Connectivity, and Overwinter Dispersal

Creator:: Peck-Richardson, Adam
Abstract:: Double-crested cormorants (Phalacrocorax auritus) and Brandt’s cormorants (P. penicillatus) nest sympatrically in a large mixed-species colony on East Sand Island (ESI) in the Columbia River estuary. Ecological theory predicts that such morphologically similar species will partition prey resources when faced with resource limitations. During the summer of 2014, I investigated...
Resource Type:: Masters Thesis
Full Text:: logistical hurdle. Thank you also to my committee members, Drs. Jim Lerczak and Rob Suryan, for your time

Patterns of distribution, abundance, and change over time in the marine bird community of Prince William Sound, Alaska, 1989-2012

Creator:: Cushing, Daniel A.
Abstract:: Over recent decades, the marine ecosystems of Prince William Sound (PWS), Alaska have experienced the concurrent effects of a major anthropogenic disturbance, the 1989 Exxon Valdez oil spill (EVOS), and a dynamic atmospheric-oceanic environment. Studies of top marine consumers can provide insights into processes of ecosystem change. Using data collected...
Resource Type:: Masters Thesis
Full Text:: Gelberg, for his involvement. I also thank Dr. Jim Peterson and Dr. John Van Sickle for their

The Role of Grazing and Weather in Nest Predator-Prey Dynamics and Reproductive Success of Sagebrush-obligate Songbirds

Creator:: Schroeder, Vanessa M.
Abstract:: Livestock grazing occurs worldwide, spanning over 25% of land globally. Effective conservation of biodiversity relies upon understanding the interactions of agricultural management practices and increasingly variable weather associated with climate change. I evaluated grazing, weather and predator-prey interactions within a grazing experiment in the sagebrush ecosystem of southeastern Oregon. I...
Resource Type:: Masters Thesis
Full Text:: like a part of the team despite our varied geographies. Thank you to my graduate committee: Jim

Habitat selection by sage grouse hens during the breeding season in south-central Washington

Creator:: Sveum, Colin M.
Resource Type:: Masters Thesis
Full Text:: . The staff at Range Control, especially Jim Reddick, and sergeants Smith and Martell for keeping us

The ecology of the olive ridley turtle (Lepidochelys olivacea) in the eastern tropical Pacific Ocean during the breeding/nesting season

Creator:: Beavers, Sallie Christian
Resource Type:: Masters Thesis
Full Text:: . I am grateful to all, and my thanks especially to Wes Armstrong, Scott Benson, Peter Boveng, Jim

ScholarsArchive@OSU

Harlequin duck demography during winter in Prince William Sound, Alaska : effects of the Exxon Valdez oil spill

A Comparative Study of Foraging Behavior and Disturbance Regimes in Urban Versus Agricultural Habitats used by Cackling Geese Wintering in the Willamette Valley, Oregon

Assessment of mule deer fawn survival and birth site habitat attributes in south-central Oregon

Golden Eagles in Denali National Park and Preserve : productivity and survival in relation to landscape characteristics of nesting territories

Juvenile survival and birth-site selection of Rocky Mountain elk in northeastern Oregon

Double-crested Cormorants (Phalacrocorax auritus) and Brandt’s Cormorants (P. penicillatus) Breeding at East Sand Island in the Columbia River Estuary : Foraging Ecology, Colony Connectivity, and Overwinter Dispersal

Patterns of distribution, abundance, and change over time in the marine bird community of Prince William Sound, Alaska, 1989-2012

The Role of Grazing and Weather in Nest Predator-Prey Dynamics and Reproductive Success of Sagebrush-obligate Songbirds

Habitat selection by sage grouse hens during the breeding season in south-central Washington

The ecology of the olive ridley turtle (Lepidochelys olivacea) in the eastern tropical Pacific Ocean during the breeding/nesting season

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