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  • Temporal changes in chemical contamination of green turtles (Chelonia mydas) foraging in a heavily industrialised seaport

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    Embargoed until: 2024-01-13
    File version
    Accepted Manuscript (AM)
    Author(s)
    Finlayson, KA
    Limpus, CJ
    van de Merwe, JP
    Griffith University Author(s)
    van de Merwe, Jason P.
    Finlayson, Kimberly A.
    Year published
    2022
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    Abstract
    Port Curtis, a major shipping port, has undergone significant expansion in the last decade, with plans for further development into the future. These activities may result in an increase of contaminant concentrations, threatening local wildlife including sea turtles. This study used a species-specific in vitro bioassay to examine spatial and temporal differences in exposure to, and effects of, organic contaminants in green sea turtles foraging in Port Curtis. Blood was collected from 134 green sea turtles (Chelonia mydas) from five locations in the port over four years. Organic contaminants were extracted from blood, and the ...
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    Port Curtis, a major shipping port, has undergone significant expansion in the last decade, with plans for further development into the future. These activities may result in an increase of contaminant concentrations, threatening local wildlife including sea turtles. This study used a species-specific in vitro bioassay to examine spatial and temporal differences in exposure to, and effects of, organic contaminants in green sea turtles foraging in Port Curtis. Blood was collected from 134 green sea turtles (Chelonia mydas) from five locations in the port over four years. Organic contaminants were extracted from blood, and the cytotoxicity of the extracts to primary green sea turtle cells was assessed. Results indicated spatially similar chemical contamination throughout Port Curtis, at levels significant to sea turtle health, and with signs that chemical contamination may be increasing over time. These results can provide valuable information on the health of green turtles as further development occurs.
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    Journal Title
    Science of the Total Environment
    Volume
    817
    DOI
    https://doi.org/10.1016/j.scitotenv.2021.152848
    Copyright Statement
    © 2022 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence (http://creativecommons.org/licenses/by-nc-nd/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
    Note
    This publication has been entered as an advanced online version in Griffith Research Online.
    Subject
    Cytotoxicity
    Effects-based analysis
    In vitro bioassay
    Organics
    Port Curtis
    Publication URI
    http://hdl.handle.net/10072/411765
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    • Journal articles

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