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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Behavioral Differences In Urban Sciurus Carolinensis With Varying Human Exposure As A Model For Synanthropic Human-Animal Relationships, Tiffany M. Jordan
Behavioral Differences In Urban Sciurus Carolinensis With Varying Human Exposure As A Model For Synanthropic Human-Animal Relationships, Tiffany M. Jordan
EWU Masters Thesis Collection
Synanthropic animals are considered a halfway point between wild and domestic animals that live in urban environments and depend on humans for their survival. Sciurus carolinensis, the eastern gray squirrel, symbolizes a distinctive coexistence between human and wildlife as they are commonly fed in parks and gardens. They are native to the eastern United States. Where they are invasive, they are found only in urban areas and not in rural or wildlife areas. This study examined how different levels of human exposure impact the behavior of S. carolinensis in its non-native range from two different perspectives by using flight initiation …
The Role Of The Skin Microbiome In Amphibian Pathogen Susceptibility In Turnbull National Wildlife Refuge, Krista S. Dodd
The Role Of The Skin Microbiome In Amphibian Pathogen Susceptibility In Turnbull National Wildlife Refuge, Krista S. Dodd
EWU Masters Thesis Collection
The fungal pathogen, Batrachochytrium dendrobatidis (Bd), has led to the decline and extinction of many amphibian populations, but some bacteria in the skin microbiome can inhibit its growth. In Turnbull National Wildlife Refuge (TNWR) in eastern Washington, Bd is highly prevalent, but the role of the skin microbiome in Bd infection dynamics have not been examined in this region. We hypothesized that frogs with lower Bd infection intensities would have higher skin bacterial diversity and more abundant anti-Bd bacteria, indicative of a more protective function. Our study combined cultureindependent and culture-dependent methods to assess the relationship between Bd and the …
Positive Motivational Self-Talk: The Influence Of Gender On Performance, Perception Of Self-Talk, And Performance Anxiety During A Disc Golf Putting Exercise Before And After A Self-Talk Intervention, Samantha L. Hennessy
EWU Masters Thesis Collection
No abstract provided.
Modernizing Fish Surveys: Evaluating How Reliable Environmental Dna Sampling Is In Monitoring Fish Populations, Alicia Cozza
Modernizing Fish Surveys: Evaluating How Reliable Environmental Dna Sampling Is In Monitoring Fish Populations, Alicia Cozza
EWU Masters Thesis Collection
No abstract provided.
Differentiating The Effects Of Two Non-Native Fish In The Turnbull National Wildlife Refuge, Sarah Richardson
Differentiating The Effects Of Two Non-Native Fish In The Turnbull National Wildlife Refuge, Sarah Richardson
EWU Masters Thesis Collection
This study seeks to determine the individual effects of two non-native fish, the brook stickleback, Culaea inconstans, and pumpkinseed, Lepomis gibbosus, on the aquatic invertebrates and food webs of Turnbull National Wildlife Refuge (TNWR). Ten ponds were analyzed and compared with stable isotope analysis and invertebrate abundance data. Three ponds were chosen to represent each of the following categories: fishless, brook stickleback invaded (BS), and coinvaded, along with a single pumpkinseed (PS) pond. Overall, δ[superscript]13C and δ[superscript]15N values increased in invaded ponds, indicating shifts in the zooplankton community structure and the carbon source of predatory invertebrates. Mean δ[superscript]13C was the …
Investigating How Bat Ectoparasites Influence The Skin Microbiome Diversity And Composition In Washington State Bats, Dana E. Colley
Investigating How Bat Ectoparasites Influence The Skin Microbiome Diversity And Composition In Washington State Bats, Dana E. Colley
EWU Masters Thesis Collection
White-Nose Syndrome (WNS), caused by the psychrophilic pathogenic fungus Pseudogymnoascus destructans (Pd), has killed millions of bats in the eastern United States since its initial introduction in 2006 and recent expansion into the western U.S. Understanding factors that contribute to the spread of Pd and risk of infection is crucial for management of WNS. Bat ectoparasites, including bat mites and bat flies, are omnipresent in bat populations, yet the relationship between these ectoparasites and bat health is still unknown. We examined the relationship between bat ectoparasites and the skin microbiome in relation to WNS infection risk in Washington State bats. …
Assessing The Behavioral Response Of Westslope Cutthroat Trout To Olfactory Cues In A Two-Choice Y-Maze, Hannah Marie Condron
Assessing The Behavioral Response Of Westslope Cutthroat Trout To Olfactory Cues In A Two-Choice Y-Maze, Hannah Marie Condron
EWU Masters Thesis Collection
The goal of this study was to determine which olfactory cues were most attractive to Westslope Cutthroat Trout Oncorhynchus clarkii lewisi (WCT) in a two-choice Y-maze. WCT used in this study were from Kings Lake and Paqua Creek in Pend Oreille County, Washington, and tested in 2018 and 2019. The different odorants tested in this study were population-specific pheromones produced by WCT from the same population, conspecific pheromones produced by WCT from the second population, and water obtained from each population’s natal stream. The water Kings Lake WCT were reared in for one year at the Spokane Hatchery was also …