Index Catalog // ScholarsArchive@OSU

Creator:: Alexander, Alana
Abstract:: The sperm whale (Physeter macrocephalus) shows some of the most derived characteristics of any mammal: a large body size, large brain, complex social organization and a capacity for deep foraging dives that few other marine mammals can match. Despite a history of exploitation that removed hundreds of thousands of individuals,...
Resource Type:: Dissertation

Creator:: Tengeres, Jill E.
Abstract:: The Aleutian tern (Onychoprion aleuticus) is a species of high conservation concern in Alaska due to large declines at known breeding locations since the 1960s. Due to the small population size and ephemeral behavior of this species on the nesting grounds, there is little basic biological information available and data...
Resource Type:: Masters Thesis
Full Text:: Endangered Species Office (Leah Kenney, Douglas Cooper, Megan Boldenow), and Oregon State University (Dan

Creator:: Barbaree, Blake A.
Abstract:: This thesis focuses on the nesting ecology and marine space use of Marbled Murrelets (Brachyramphus marmoratus) during the 2007 and 2008 nesting seasons in and around Port Snettisham, a remote mainland fjord in Southeast Alaska. Marbled Murrelets (murrelets) are a declining species throughout most of their range, and their conservation...
Resource Type:: Masters Thesis
Full Text:: Rebecca for her loving support and un-wavering friendship during our joint quest for education. Endless

Creator:: Hallman, Tyler A.
Abstract:: Models of a species’ distribution and models of a species’ spatially explicit density are valuable tools for conservation. They allow researchers to estimate changes in distributions, densities, and populations, based on changing environmental conditions. To trust such estimates, however, the quality of models is exceedingly important. Model performance can be...
Resource Type:: Dissertation
Full Text:: to specifically thank Robert Kennedy, Rebecca Hutchinson, and Katie Dugger for their guidance in

Creator:: Austin-Bythell, Suzanne H.
Abstract:: Patterns of nest attendance behavior by breeding birds represent a parent-offspring trade-off in which adults balance self-maintenance with parental care decisions. Incubation, in particular, is of interest because adults must provide an environment suitable for embryonic development through nest-building and contact-incubation. We evaluated how adult incubation constancy and nest visitation...
Resource Type:: Dissertation
Full Text:: including: Ruby Zambrano, Neil Chartier, David Bradley, Lisa Miller, Rebecca Gamboa, Noah Stryker, Jessica

Creator:: Wyss, Lance A.
Abstract:: An estimated 99% of native wet prairie has been lost in the Willamette Valley, Oregon, but a large number of seasonal wetlands remain on private lands dedicated to grass seed production within the historical wet prairie landscape. Because agriculture is known to alter physical and chemical wetland conditions, I investigated...
Resource Type:: Masters Thesis
Full Text:: for me to complete my work. Rebecca Barbaree, Nick Hatch, Jenn King, and Sara Paroulek assisted

Creator:: Hovey, Andrew K.
Abstract:: The pigeon guillemot (Cepphus columba) population in Prince William Sound has failed to recover from declines that occurred both before and after the Exxon Valdez Oil Spill (EVOS). Post-spill studies of pigeon guillemot breeding biology have identified three potential factors limiting recovery: (1) predation on eggs and nestlings; (2) declines...
Resource Type:: Masters Thesis
Full Text:: , Cindy Anderson, Kristen Gorman, George Divoky, Eli Bridge, Rebecca Kagle, Randy McKenney, and Ann

Creator:: Sremba, Angela L.
Abstract:: Commercial whaling during the 20th century drastically reduced many populations of great whales in the Southern Hemisphere. The Antarctic blue whale, for example, is estimated to have been reduced to less than 0.1% of its original abundance based on catch records and population dynamic models. Despite this population bottleneck, several...
Resource Type:: Dissertation
Full Text:: the CCGL, Alana Alexander, Rebecca Hamner, Emma Carroll, Renee Albertson, Sophie Pierslowski, John

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