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Salt And The Rough-Skinned Newt (Taricha Granulosa): Evolutionary Investigations Of Local Adaptation To An Anthropogenic And Natural Stressor, Gareth Rowland Hopkins
Salt And The Rough-Skinned Newt (Taricha Granulosa): Evolutionary Investigations Of Local Adaptation To An Anthropogenic And Natural Stressor, Gareth Rowland Hopkins
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Amphibians are osmotically-challenged due to their highly permeable skin and egg membranes. As such, biologists have mostly ignored their occurrence in saline habitats. The goal of this dissertation was to investigate the ability of amphibians to adapt to inhabit these osmotically-stressful environments. As freshwater resources are increasingly salinized due to a combination of anthropogenic and natural stressors, including road-deicing salt application, coastal storm events, and sea-level rise, it is important to understand the abilities and constraints of sensitive organisms, like amphibians, to persist in these environments. I began by exploring what is known about amphibians inhabiting saline habitats around the …