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    Otolith microchemistry: Insights into bioavailable pollutants in a man-made, urban inlet

    Access Status
    Fulltext not available
    Authors
    Andronis, C.
    Evans, Noreen
    McDonald, B.
    Nice, H.
    Gagnon, Marthe Monique
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Andronis, C. and Evans, N. and McDonald, B. and Nice, H. and Gagnon, M.M. 2017. Otolith microchemistry: Insights into bioavailable pollutants in a man-made, urban inlet. Marine Pollution Bulletin. 118 (1-2): pp. 382-387.
    Source Title
    Marine Pollution Bulletin
    DOI
    10.1016/j.marpolbul.2017.02.037
    ISSN
    0025-326X
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/50205
    Collection
    • Curtin Research Publications
    Abstract

    Black bream (Acanthopagrus butcheri) were collected from an artificial inlet, Claisebrook Cove, Western Australia. Claisebrook Cove is adjacent to an historic contaminated site that was remediated during the 1990s. It was later identified as a priority area due to elevated levels of sediment contaminants including Zn, Cu, and Pb. Black bream were collected from this cove in 2005 and 2012 and their otoliths were analysed by laser ablation inductively coupled plasma mass spectrometry of the most recent growth zone. Levels of Zn and Mn, which are metabolically regulated, did not correlate with sediment contamination. However, reduction in sediment Cu levels over time coincided with reduced Cu otolith levels from 2005 to 2012. Results indicate that the elemental composition of the marginal edge of Black bream otoliths can identify bioavailable contaminants in an urban estuary and, with monitoring, can be utilized to establish long-term trends.

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