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Type: Thesis
Title: The isotopic composition of kangaroo teeth as a tracer of migration and a forensic tool
Author: Pavlovitch, S. C.
Issue Date: 2009
School/Discipline: School of Physical Sciences
Abstract: Isotopic analysis of dental and bone tissues can be used to reveal movement and diet in animals. However, the suitability of these methods for tracing migration in an Australian animal has not yet been demonstrated. In this pilot study Sr, C and O isotope profiles were created from 31 individuals selected from four species of kangaroos in South Australia (Macropus rufus, M. fuliginosus, M. giganteous and M. robustus). Primarily, enamel from fourth molars and bone apatite were sampled to document isotopic changes in individuals between the formation of the tissues in the tooth and bone. Variations in the strontium (87Sr/86Sr), carbon (13C) and oxygen (18O) isotopes were used to assess movement of kangaroos across local geological and environmental conditions. Five individuals displayed a marked difference between enamel and bone apatite isotopic composition, indicating movement between distinct geological and environmental regions. The implications of this study to migration reconstruction in the past are discussed
Dissertation Note: Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2009
Where: South Australia
Keywords: Honours; Geology; isotopes; bones; teeth; kangaroo species; migration; geological environments
Description: This item is only available electronically.
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