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dc.contributor.advisorBronstein, Judithen
dc.contributor.authorLorenzen, Nico Peter
dc.creatorLorenzen, Nico Peteren
dc.date.accessioned2016-01-28T03:50:14Zen
dc.date.available2016-01-28T03:50:14Zen
dc.date.issued2015en
dc.identifier.citationLorenzen, Nico Peter. (2015). A Spatially Explicit Model of Mutualism (Bachelor's thesis, University of Arizona, Tucson, USA).
dc.identifier.urihttp://hdl.handle.net/10150/595045en
dc.description.abstractMutualistic interactions are robust biological systems with unique population dynamics that result in the observed occurrences of numerous interacting populations. Theoretical models in the literature explain the population dynamics of species involved in mutualisms in terms of positive and negative density-dependent and density-independent factors. Historically, few models have included explicit space in the form of discrete habitat patches to explore how the population dynamics of mutualistic species contribute to patterns of mutualism persistence affected by factors including dispersal and changes in habitat quality. We develop mathematical models to describe population dynamics of two mutualist species across a two-patch network to analyze the effects of explicit space, habitat quality and species-specific colonization rates on persistence of a mutualist community. Immigration and emigration can each mitigate the effects of decreasing patch quality, with low levels of colonization into a poor patch and greater emigration from a poor patch allowing persistence across the greatest range of habitat qualities. Within a plant-pollinator framework, the stability of the mutualism was more sensitive to decreasing patch quality for the pollinator than equal decreases in plant-specific patch quality.
dc.language.isoen_USen
dc.publisherThe University of Arizona.en
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.titleA Spatially Explicit Model of Mutualismen_US
dc.typetexten
dc.typeElectronic Thesisen
thesis.degree.grantorUniversity of Arizonaen
thesis.degree.levelbachelorsen
thesis.degree.disciplineHonors Collegeen
thesis.degree.disciplineEcology & Evolutionary Biologyen
thesis.degree.nameB.S.en
refterms.dateFOA2018-05-18T11:12:32Z
html.description.abstractMutualistic interactions are robust biological systems with unique population dynamics that result in the observed occurrences of numerous interacting populations. Theoretical models in the literature explain the population dynamics of species involved in mutualisms in terms of positive and negative density-dependent and density-independent factors. Historically, few models have included explicit space in the form of discrete habitat patches to explore how the population dynamics of mutualistic species contribute to patterns of mutualism persistence affected by factors including dispersal and changes in habitat quality. We develop mathematical models to describe population dynamics of two mutualist species across a two-patch network to analyze the effects of explicit space, habitat quality and species-specific colonization rates on persistence of a mutualist community. Immigration and emigration can each mitigate the effects of decreasing patch quality, with low levels of colonization into a poor patch and greater emigration from a poor patch allowing persistence across the greatest range of habitat qualities. Within a plant-pollinator framework, the stability of the mutualism was more sensitive to decreasing patch quality for the pollinator than equal decreases in plant-specific patch quality.


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