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Morphology And Habitat Use Among Insular Populations Of The Lizard Anolis Lemurinus From The Cayos Cochinos Archipelago Of Honduras

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Morphology And Habitat Use Among Insular Populations Of The Lizard Anolis Lemurinus From The Cayos Cochinos Archipelago Of Honduras

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dc.contributor.author Logan, Michael Latter en_US
dc.date.accessioned 2009-09-16T18:18:31Z
dc.date.available 2009-09-16T18:18:31Z
dc.date.issued 2009-09-16T18:18:31Z
dc.date.submitted January 2009 en_US
dc.identifier.other DISS-10256 en_US
dc.identifier.uri http://hdl.handle.net/10106/1698
dc.description.abstract In Honduras, Anolis lemurinus is distributed along the Atlantic versant of the mainland and on the Caribbean island system consisting of the Bay Islands and Cayos Cochinos archipelagos. In the Cayos Cochinos, A. lemurinus occurs on the two largest islands, Cayo Mayor and Cayo Menor, which are separated by less than 1km. A previous study using genetic (amplified fragment-length polymorphisms) and morphometric (mass and SVL) data suggested that populations of A. lemurinus in the Cayos Cochinos did not differ from each other (Klutsch et al. 2007). Despite the extremely close proximity of Cayo Mayor and Cayo Menor populations, I hypothesized that they might differ in morphology and habitat use due to noticeable differences in the abiotic and biotic environment between islands. I sampled lizards from both islands, measuring 12 morphometric variables, 9 environmental and habitat use variables, and 3 physiological variables. Principal Component and Discriminant analyses revealed that populations of males could be distinguished based on morphology. No such differences were found for females, although sample sizes for females may have been too low for statistical inference. Moreover, correlation and regression analyses revealed that space use and upper thermal tolerance is related to dewlap size in males. Observed differences in habitat use and morphology can perhaps be explained by differences in population density, community composition, and forest structure among islands. en_US
dc.description.sponsorship Campbell, Jonathan en_US
dc.language.iso EN en_US
dc.publisher Biology en_US
dc.title Morphology And Habitat Use Among Insular Populations Of The Lizard Anolis Lemurinus From The Cayos Cochinos Archipelago Of Honduras en_US
dc.type M.S. en_US
dc.contributor.committeeChair Campbell, Jonathan en_US
dc.degree.department Biology en_US
dc.degree.discipline Biology en_US
dc.degree.grantor University of Texas at Arlington en_US
dc.degree.level masters en_US
dc.degree.name M.S. en_US
dc.identifier.externalLink http://www.uta.edu/ra/real/editprofile.php?onlyview=1&pid=9
dc.identifier.externalLinkDescription Link to Research Profiles

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