Barrett

Barrett, The Honors College at Arizona State University proudly showcases the work of undergraduate honors students by sharing this collection exclusively with the ASU community.

Barrett accepts high performing, academically engaged undergraduate students and works with them in collaboration with all of the other academic units at Arizona State University. All Barrett students complete a thesis or creative project which is an opportunity to explore an intellectual interest and produce an original piece of scholarly research. The thesis or creative project is supervised and defended in front of a faculty committee. Students are able to engage with professors who are nationally recognized in their fields and committed to working with honors students. Completing a Barrett thesis or creative project is an opportunity for undergraduate honors students to contribute to the ASU academic community in a meaningful way.

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A Tale of Two Canyons: Abiotic factors and the distribution of a pathogenic fungus in southeastern Arizona

Description
Chytridiomycosis, an infectious disease caused by the amphibian chytrid fungus Batrachochytrium dendrobatidis (Bd), has played a significant role in global amphibian declines. Researchers studying Bd aim to gain a better understanding of how this pathogen survives in unique microhabitats to promote persistence of amphibians in their natural habitat. The Arizona…

Chytridiomycosis, an infectious disease caused by the amphibian chytrid fungus Batrachochytrium dendrobatidis (Bd), has played a significant role in global amphibian declines. Researchers studying Bd aim to gain a better understanding of how this pathogen survives in unique microhabitats to promote persistence of amphibians in their natural habitat. The Arizona Game and Fish Department has worked for the last 12 years to recover populations of Chiricahua Leopard Frogs to ensure the species survives in the Huachuca Mountains in southeastern Arizona. During this time, the department tested for Bd throughout their release sites. As a result of large differences in prevalence noted in prior sampling for Bd in Miller and Ramsey canyons, I investigated abiotic factors that could explain these differences. I analyzed water samples from two canyons in the Huachuca Mountains and used nutrient analysis and filter extraction to test for differences in abiotic factors between these two sites that could affect Bd transmission. Results show that Ramsey Canyon was a positive site for Bd, while Miller Canyon remained negative. Results from water temperature estimates as well as a test for 30 elements revealed possible reasons for differences in Bd transmission between the two canyons.
ContributorsSmith, Paige Gabrielle (Author) / Collins, James P. (Thesis director) / Franklin, Janet (Committee member) / Sredl, Michael J. (Committee member) / School of Sustainability (Contributor) / School of Life Sciences (Contributor) / Barrett, The Honors College (Contributor)
Created2017-05
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Mountain Lions: A Literature Review of the Effects of Hunting on Mountain Lion Populations

Description
With human populations continuing to expand, encounters with wildlife become more frequent, and more people have the ability to go hunting. When it comes to top level predators, there have often been questions raised about the effects hunting has on their populations. Some speculate there are compensatory measures as a…

With human populations continuing to expand, encounters with wildlife become more frequent, and more people have the ability to go hunting. When it comes to top level predators, there have often been questions raised about the effects hunting has on their populations. Some speculate there are compensatory measures as a result, others that hunting has an additive mortality effect. The purpose of this project was to do a literature review over the topic of hunting mountain lions in order to definitively determine what the effects of hunting are on their populations. It was concluded that hunting has a negative impact on mountain lion populations, having an additive effect on their mortality rate, reducing their genetic biodiversity, reducing their rate of emigration/immigration, and changing their population demographics.
ContributorsDaily, Austin (Author) / Senko, Jesse (Thesis director) / Bennett, Ira (Committee member) / Barrett, The Honors College (Contributor) / School of Life Sciences (Contributor) / School of Sustainability (Contributor) / Dean, W.P. Carey School of Business (Contributor)
Created2022-05