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Full-Text Articles in Life Sciences

Living On The Edge: Thermophysiology Of The Southern Flying Squirrel At Its Northern Range Margin, Vanessa R. Hensley May 2019

Living On The Edge: Thermophysiology Of The Southern Flying Squirrel At Its Northern Range Margin, Vanessa R. Hensley

Electronic Theses and Dissertations

Climate change has the potential to upset entire ecological systems, making predictive models of the utmost importance. The incorporation of physiological parameters into predictive models not only bolsters their accuracy but also provides a mechanistic explanation for ecological changes already observed and those yet to come. North American flying squirrels, for example, have already experienced dramatic range shifts northward over recent decades, with climate change being the suspected driver. While other studies have focused on warming winter temperatures, I explored the hypothesis that rising summer temperatures were driving the observed range shifts. Unable to find a reliable population of the ...


Fire And Blood: Behavior And Thermoregulation In Small Nocturnal Mammals, Tal Kleinhause-Goldman Gedalyahou Apr 2019

Fire And Blood: Behavior And Thermoregulation In Small Nocturnal Mammals, Tal Kleinhause-Goldman Gedalyahou

Honors College

As global temperatures continue to increase, so does the need to better assess the sensitivity of different species to climate change. Such assessments require accurate behavioral and physiological data, including on thermoregulation and the effects of high temperatures on the behavior of endotherms. Seeking to improve current knowledge and methodology, my research evaluated the connections between activity and thermoregulation, using deer mice (Peromyscus maniculatus) as a species model. By using a custom made maze, I was able to simulate an active foraging environment and examine both activity patterns and subcutaneous temperatures in mice during the active-phase of their activity cycle ...