Context dependent species interaction outcomes in ant-plant protection mutualisms

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dc.contributor.advisorHolland, J. Nathaniel
dc.creatorChamberlain, Scott A.
dc.date.accessioned2011-07-25T01:38:18Z
dc.date.available2011-07-25T01:38:18Z
dc.date.issued2009
dc.description.abstractWe often study the outcomes of species interactions, whether they be predation, competition, or mutualism, at one site in a single year. However, we increasingly recognize that species interaction outcomes are not static, but context dependent by varying along many ecological axes. Here, I asked to what extent and along what axes are ant-plant protection interactions, in which plants provide rewards for ants that in turn defend plants from herbivores, context dependent. First, a meta-analytic summary of published studies on ant-plant protection interactions revealed that interaction outcomes are on average mutualistic, and context dependency occurred due to plant reward type (domatia vs food bodies vs extrafloral nectaries), ant species richness, and latitude. Second, in a case study in the Sonoran Desert, extrafloral nectar production caused context dependent mutualistic and antagonistic ant-plant interactions, despite largely commensalistic interaction outcomes. These results suggest some ecological axes resulting in context dependency in mutualisms.
dc.format.mimetypeapplication/pdf
dc.identifier.callnoTHESIS ECOL. 2009 CHAMBERLAIN
dc.identifier.citationChamberlain, Scott A.. "Context dependent species interaction outcomes in ant-plant protection mutualisms." (2009) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/61814">https://hdl.handle.net/1911/61814</a>.
dc.identifier.urihttps://hdl.handle.net/1911/61814
dc.language.isoeng
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.
dc.subjectBiology
dc.subjectEcology
dc.subjectBiology, Entomology
dc.titleContext dependent species interaction outcomes in ant-plant protection mutualisms
dc.typeThesis
dc.type.materialText
thesis.degree.departmentEcology and Evolutionary Biology
thesis.degree.disciplineNatural Sciences
thesis.degree.grantorRice University
thesis.degree.levelMasters
thesis.degree.nameMaster of Arts
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