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Timber Harvest And Recreation In Maine's North Woods: Attitudes, Impacts, And Strategies For Coexistence, Chelsea Liddell

Electronic Theses and Dissertations

In this thesis I explore recreator characteristics associated with attitudes toward logging evidence in recreational settings, potential effects of logging on North Maine Woods visitor spending, and the effects of an educational intervention on attitudes.

In Chapter 1, I use data from a random sample of Maine households to examine the associations between demographic characteristics/recreational activities and attitudes towards evidence of forest management in recreational settings. I use three separate ordered logistic regressions to model the associations between respondent characteristics and three types of forest management settings: old growth forest, a managed forest with selective harvest, and seeing/hearing evidence of …

Deciphering Climate-Driven Changes In Planktonic Diatom Communities In Lake Superior, Amy Kireta

Electronic Theses and Dissertations

Climate change is affecting lake systems throughout the world, including Lake Superior, the world’s largest lake by surface area. Climate-driven physical changes in Lake Superior are well documented, but there is still substantial uncertainty of how recent biological changes are related to climate change. This research addresses these uncertainties using a variety of approaches to understand the effects of modern climate-driven changes on Lake Superior diatom communities. First, I developed models for environmental variables related to diatom abundance using 10 years of summer monitoring data. Second, I investigated changes in fossilized diatom relative abundances before, during, and after the Medieval …