The effects of invasive earthworms on understory plant community composition in sugar maple - basswood forests of the Chippewa National Forest, MN over two decades

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  • July 29, 2019
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  • Alexander, Genevieve
    • Affiliation: College of Arts and Sciences, Curriculum in Environment and Ecology
Abstract
  • Non-native earthworms have invaded natural areas in the Great Lakes region of North America and are recognized as a threat to the ecological function and biodiversity of hardwood forests. In Chapter 1, I present a literature review to examine the effects of invasive earthworms on hardwood forests in the Great Lakes region. In Chapter 2, I present a model using the thickness of the O horizon as a predictor variable to assess the presence of invasive earthworms in sugar maple basswood forests in the Chippewa National Forest in Northern Minnesota. In Chapter 3, I examine the effects of invasive earthworms on understory plant community composition over two decades in the Chippewa National Forest. By understanding the effects of invasive earthworms on understory plant composition over multiple decades, the biological consequences of earthworm invasion can be more effectively predicted as invasive earthworms continue to spread across the Great Lakes region.
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  • White, Peter S.
  • Peet, Robert K.
  • Almendinger, John C.
Degree granting institution
  • University of North Carolina at Chapel Hill Graduate School
Graduation year
  • 2019
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