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Long-term Interactive Impacts of the Invasive Shrub Lonicera Maackii, and White-Tailed Deer, Odocoileus Virginianus, on Woody Vegetation

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2022, Master of Science in Botany, Miami University, Biology.
Direct effects of white-tailed deer (Odocoileus virginianus) and the invasive shrub Lonicera maackii on woody vegetation are well documented, but studies exploring their long-term interactive effects are limited. I investigated effects after 11 years of deer exclusion or access and L. maackii removal or presence on woody vegetation responses in the Miami University Natural Areas in Oxford, Ohio. Deer exclusion resulted in greater tree seedling richness, density, and basal area, native and non-native shrub richness, native vine density and basal area, change in understory tree richness since 2015, and cover at 0.3 m above ground. Deer exclusion also resulted in greater basal area growth of L. maackii shrubs. Lonicera maackii, in contrast, had no direct effects. Deer and L. maackii interactions impacted native tree seedling richness and density, and total vine density. All significant interactions revealed synergy between deer exclusion and L. maackii removal, most likely due to deer reducing L. maackii cover (via herbivory) and therefore mitigating its negative competitive effects on seedlings and vines Therefore, in areas with high deer densities and dense L. maackii stands, I recommend a reduction of both stressors to prevent tree regeneration failure.
David Gorchov (Advisor)
Jonathan Bauer (Committee Member)
Thomas Crist (Committee Member)
79 p.

Recommended Citations

Citations

  • Donoso, M. U. (2022). Long-term Interactive Impacts of the Invasive Shrub Lonicera Maackii, and White-Tailed Deer, Odocoileus Virginianus, on Woody Vegetation [Master's thesis, Miami University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=miami1658429983838343

    APA Style (7th edition)

  • Donoso, Marco. Long-term Interactive Impacts of the Invasive Shrub Lonicera Maackii, and White-Tailed Deer, Odocoileus Virginianus, on Woody Vegetation . 2022. Miami University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=miami1658429983838343.

    MLA Style (8th edition)

  • Donoso, Marco. "Long-term Interactive Impacts of the Invasive Shrub Lonicera Maackii, and White-Tailed Deer, Odocoileus Virginianus, on Woody Vegetation ." Master's thesis, Miami University, 2022. http://rave.ohiolink.edu/etdc/view?acc_num=miami1658429983838343

    Chicago Manual of Style (17th edition)