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  • Behavioural Ecology, Reproductive Biology and Colour Change Physiology in the Stony Creek Frog (Litoria wilcoxii)

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    Kindermann_2017_01Thesis.pdf (9.496Mb)
    Author(s)
    Kindermann, Christina
    Primary Supervisor
    Castley, James
    Hero, Jean-Marc
    Other Supervisors
    Narayan, Edward
    Year published
    2017
    Metadata
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    Abstract
    Many animals possess the remarkable ability to change their skin colour. Colour change can have several potential functions, including communication, thermoregulation and camouflage. However, while the physiological mechanisms and functional significance of colour change in other vertebrates have been well studied, the role of colour change in amphibians is still relatively unknown and a disconnection between morphology, physiology and function exists in the literature (review presented in chapter 2). In this thesis, I investigate these multidisciplinary components to understand the processes and functions of colour change ...
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    Many animals possess the remarkable ability to change their skin colour. Colour change can have several potential functions, including communication, thermoregulation and camouflage. However, while the physiological mechanisms and functional significance of colour change in other vertebrates have been well studied, the role of colour change in amphibians is still relatively unknown and a disconnection between morphology, physiology and function exists in the literature (review presented in chapter 2). In this thesis, I investigate these multidisciplinary components to understand the processes and functions of colour change in stony creek frogs (Litoria wilcoxii), which are known to turn bright yellow during the breeding season. By (1 – Chapter 3) examining the distribution and structure of dermal pigment cells, (2– Chapter 4) determining hormonal triggers of rapid colour change, (3– Chapter 5) investigating seasonal colour, hormone and disease relationships and (4– Chapter 6) determining the evolutionary functions of colour change, I provide a comprehensive explanation of this phenomenon in L. wilcoxii.
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    Thesis Type
    Thesis (PhD Doctorate)
    Degree Program
    Doctor of Philosophy (PhD)
    School
    Griffith School of Environment
    DOI
    https://doi.org/10.25904/1912/1098
    Copyright Statement
    The author owns the copyright in this thesis, unless stated otherwise.
    Note
    In order to comply with copyright Chapters 3,5 and 6 have not been published here.
    Subject
    Stony creek frogs (Litoria wilcoxii)
    Camouflage, Frogs
    Skin colour change, Frogs
    Human chorionic gonadotropin
    Publication URI
    http://hdl.handle.net/10072/367513
    Collection
    • Theses - Higher Degree by Research

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