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Filtering by: Creator Lines, John Donald License All rights reserved Non-Academic Affiliation Oregon. Department of Fish and Wildlife

Characterizing the Spread and Consequences of Mycoplasma ovipneumoniae on Bighorn Sheep (Ovis canadensis) in the Northern Basin and Range Ecosystem

Creator:

Spaan, Robert S.

Abstract:

North American bighorn sheep (Ovis canadensis) have experienced significant declines and population extirpations due to novel pathogens such as Mycoplasma ovipneumoniae. This disease continues to limit the population restoration of bighorn sheep. Therefore, understanding the demographic consequences of pathogen presence and the risk of contact between bighorn populations and potential...

Resource Type:

Dissertation

Full Text:

. Spaan1, Clinton W. Epps1, Rachel S. Crowhurst1, Donald G. Whittaker2, Mike Cox3 and Adam Duarte1, 4
Assessing Mercury Levels, Health Metrics, and Immune Function in Non-stranded Male California and Steller Sea Lions in Oregon

Creator:

Rae, Samantha N.

Abstract:

California and Steller sea lions (Zalophus californianus, Eumetopias jubatus, respectively) are considered sentinel species because they have long life spans, are long-term coastal residents, feed at high trophic levels, and have large blubber stores that serve as depots for anthropogenic toxicants. There are few studies on sea lion health and...

Resource Type:

Masters Thesis

Full Text:

lines, and at dams and fish passage locations in rivers (Norberg et al. 2005). Steller sea lions are