• Login
    View Item 
    •   Home
    • Research Publications
    • Research Centres & Groups
    • Environmental Sustainability Research Centre
    • View Item
    •   Home
    • Research Publications
    • Research Centres & Groups
    • Environmental Sustainability Research Centre
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    All of UDORACommunitiesTitleAuthorsIssue DateSubmit DateSubjectsThis CollectionTitleAuthorsIssue DateSubmit DateSubjects

    My Account

    LoginRegister

    About and further information

    AboutOpen Access WebpagesOpen Access PolicyTake Down Policy University Privacy NoticeUniversity NewsTools for ResearchersLibraryUDo

    Statistics

    Display statistics

    Herbicides increase the vulnerability of corals to rising sea surface temperature

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Authors
    Negri, Andrew P.
    Flores, Florita
    Röthig, Till
    Uthicke, Sven
    Affiliation
    Australian Institute of Marine Science, Townsville, Queensland, Australia
    Issue Date
    2011-02-03
    
    Metadata
    Show full item record
    Abstract
    In order to examine the potential interactive pressures of local pollution and global climate change, we exposed corals and crustose coralline algae (CCA) to three agricultural photosystem II (PSII) herbicides at four temperatures (26–32°C). The coral Acropora millepora was 3‐ to 10‐fold more sensitive to the three herbicides than the CCA Neogoniolithon fosliei. While the photosynthesis of CCA was not affected by the herbicide concentrations used (< 1 μg L−1), temperatures of 31°C and 32°C alone significantly inhibited photosynthetic efficiency (ΔF:F′m) and caused chronic photoinhibition (reduced Fv:Fm) and substantial bleaching. Environmentally relevant concentrations of each herbicide increased the negative effects of thermal stress on coral at 31°C and 32°C. Mixed model analyses of variance showed that the effects of elevated sea surface temperatures (SST) and herbicide on photosynthetic efficiency of coral symbionts were additive. Furthermore, the effect of either diuron or atrazine in combination with higher SST (31°C and 32°C) on chronic photoinhibition was distinctly greater than additive (synergistic). Reducing the herbicide concentration by 1 μg L−1 diuron above 30°C would protect photosynthetic efficiency by the equivalent of 1.8°C and reduce chronic photoinhibition by the equivalent of a 1°C reduction. Reduced water quality increases the vulnerability of corals to elevated SSTs, and effective management of local water quality can reduce negative effects of global stressors such as elevated SST.
    Citation
    Negri, A.P. et al. (2011) ‘Herbicides increase the vulnerability of corals to rising sea surface temperature,’ Limnology and Oceanography, 56(2), pp.471-485. Doi: 10.4319/lo.2011.56.2.0471
    Publisher
    Wiley
    Journal
    Limnology and Oceanography
    URI
    http://hdl.handle.net/10545/623530
    DOI
    10.4319/lo.2011.56.2.0471
    Additional Links
    http://doi.wiley.com/10.4319/lo.2011.56.2.0471
    Type
    Article
    Language
    en
    ISSN
    0024-3590
    EISSN
    1939-5590
    ae974a485f413a2113503eed53cd6c53
    10.4319/lo.2011.56.2.0471
    Scopus Count
    Collections
    Environmental Sustainability Research Centre

    entitlement

     
    DSpace software (copyright © 2002 - 2021)  DuraSpace
    Quick Guide | Contact Us
    Open Repository is a service operated by 
    Atmire NV
     

    Export search results

    The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

    By default, clicking on the export buttons will result in a download of the allowed maximum amount of items.

    To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

    After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.