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Non-Genetic Littoraria Fitness: How Size, Environment, and Health Affect Survivorship of Predator Interactions

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Date
2022-05
Author
Murphy, Thomas
Advisor
Silliman, Brian
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Abstract
Marsh periwinkles (Littoraria irrorata) have many predators. When they encounter one, traits of both the periwinkle and its environment should contribute to whether or not it escapes. A better understanding of how these interactions are affected could provide greater insight into how changing habitats will affect ecosystem dynamics in Atlantic salt marshes. By counting the scars from such interactions on periwinkles hand-collected from several sites in salt marshes near Beaufort, NC, the effect of the environment (i.e. density and height of vegetation, distance from ocean access) and the periwinkle’s own non-genetic characteristics (i.e. size/age) on survivorship were determined. Using Single and Multiple Linear Regression analyses, no correlation between these features and the rate of scarring was determined.
Type
Honors thesis
Department
Biology
Subject
Littoraria irrorata
Sporobolus alterniflorus
Spartina alterniflora
Salt Marsh
Duke Marine Lab
Predator/Prey Interactions
Permalink
https://hdl.handle.net/10161/25028
Citation
Murphy, Thomas (2022). Non-Genetic Littoraria Fitness: How Size, Environment, and Health Affect Survivorship of Predator Interactions. Honors thesis, Duke University. Retrieved from https://hdl.handle.net/10161/25028.
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This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.

Rights for Collection: Undergraduate Honors Theses and Student papers


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