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    Montara Well Release: Report on Necropsies from a Timor Sea Green Turtle

    153281_29282_Timor Sea Turtle Necropsy Report.pdf (352.6Kb)
    Access Status
    Open access
    Authors
    Gagnon, Marthe Monique
    Rawson, Christopher
    Date
    2010
    Type
    Report
    
    Metadata
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    Citation
    Gagnon, M.M. and Rawson, C.A. 2010. Montara Well Release: Report on Necropsies from a Timor Sea Green Turtle; Department of Sustainability, Environment, Water, Population and Communities, Curtin University, Department of Environmental Biology.
    School
    Department of Environmental Biology
    URI
    http://hdl.handle.net/20.500.11937/19126
    Collection
    • Curtin Research Publications
    Abstract

    • Necropsies were collected from a green turtle (Chelonia mydas) collected from Ashmore Reef in November 2009.• A total of eleven samples (4 muscle tissue samples, 2 gut content samples and 5 swab samples from external and internal surfaces) were analysed for the presence of total petroleum hydrocarbons (TPHs - gas chromatography with flame ionisation detection) and polycyclic aromatic hydrocarbons (PAHs – gas chromatography-mass spectrometry).• Expert examination of the chromatographic pattern produced in the TPH analysis allowed the qualitative assessment of whether the source of the compounds was of petrogenic or biological (e.g., fatty acids, cholesterol) origin, as both hydrocarbon types co-extract in the sample extraction process.• Where TPH was detected in the samples the chromatographic patterns indicated that these were from biogenic origin.• PAHs were not detected in any of the samples analysed.• There was no evidence that the sea turtle had been exposed to crude oil from the Montara well release either pre- or post mortem.

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