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Central Washington University

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Full-Text Articles in Desert Ecology

Effects Of Solar Arrays On Southwestern Desert Thermal Landscapes: Consequences For Terrestrial Ectotherms, Adrian Slade Jan 2023

Effects Of Solar Arrays On Southwestern Desert Thermal Landscapes: Consequences For Terrestrial Ectotherms, Adrian Slade

All Master's Theses

Solar energy development in the Southwestern United States coincides with habitat for many sensitive and endemic species, including reptiles such as Mojave Fringe-toed Lizards and Mojave Desert Tortoises who are threatened by a warming and drying climate. While utility-scale solar energy reduces carbon emissions and should ultimately benefit climate-sensitive species, it locally destroys fragile desert habitat, displaces wildlife, and has been shown to incur local air and surface temperature changes. Mitigation-based translocation of wildlife species in the face of solar development yields mixed results, and the unprecedented pace of solar expansion in the desert highlights the need for alternative practices …

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Sampling The Local Fare: Fishes At The Sam Israel House Pit (45gr76), Soap Lake, Washington, Adam Fruge Jan 2020

Sampling The Local Fare: Fishes At The Sam Israel House Pit (45gr76), Soap Lake, Washington, Adam Fruge

All Master's Theses

The Sam Israel site is a precontact archaeological complex with numerous fish bones at the north end of Soap Lake, Washington. Excavated in 1976, the fish remains recovered from there were never fully analyzed prior to this research. Since this inland Columbia Plateau site had thousands of fish bones, it contained untapped potential for our understanding of ancient local fish procurement. As such, I conducted a detailed analysis of 2,862 fish bone specimens from the Sam Israel House Pit locus to: study a larger sample of fish bones in greater detail than was done before; compare the distribution of fishes …

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Life In The Dirt: Factors Influencing The Behavior And Distribution Of Spea Intermontana In Eastern Washington State, Corey Brumbaugh Jan 2018

Life In The Dirt: Factors Influencing The Behavior And Distribution Of Spea Intermontana In Eastern Washington State, Corey Brumbaugh

All Master's Theses

I divided my thesis into two major studies focusing on the Great Basin Spadefoot Toad, Spea intermontana, at the Beverley Dunes (Beverley, WA). The first study explored the effects of temperature and water level on the rate of metamorphosis. We gathered data on rates of development, survival, body mass, snout-vent length, and hind leg length of metamorphs under 4 treatments: 20C x High Water, 30C x High Water, 20C x Water Loss, and 30C x Water Loss. These data show that temperature has a stronger effect on the overall rate of metamorphosis of Great Basin Spadefoot Toads. The second …

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Effects Of Wildfires On Rattlesnake (Crotalus Oreganus) Growth And Movement In Washington State, Joseph Chase Jan 2017

Effects Of Wildfires On Rattlesnake (Crotalus Oreganus) Growth And Movement In Washington State, Joseph Chase

All Master's Theses

Fire is a dominant force in the Pacific Northwest that shapes ecosystems and influences wildlife, yet little is known of its effects on local predators. Northern Pacific rattlesnakes (Crotalus oreganus) comprise an excellent model to investigate how fire may influence wildlife because they are important predators that contribute to controlling prey populations, but are also unable to readily escape from wildfires. We developed a novel technique to assess growth rates of rattlesnakes by using digital photography to analyze differences in widths of their rattle segments laid down over time. We compared growth rates of rattlesnakes in habitats that …

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