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    Integration of community structure data reveals observable effects below sediment guideline thresholds in a large estuary

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    Type
    Article
    Authors
    Tremblay, Louis A. cc
    Clark, Dana
    Sinner, Jim
    Ellis, Joanne cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Red Sea Research Center (RSRC)
    Date
    2017
    Permanent link to this record
    http://hdl.handle.net/10754/625980
    
    Metadata
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    Abstract
    The sustainable management of estuarine and coastal ecosystems requires robust frameworks due to the presence of multiple physical and chemical stressors. In this study, we assessed whether ecological health decline, based on community structure composition changes along a pollution gradient, occurred at levels below guideline threshold values for copper, zinc and lead. Canonical analysis of principal coordinates (CAP) was used to characterise benthic communities along a metal contamination gradient. The analysis revealed changes in benthic community distribution at levels below the individual guideline values for the three metals. These results suggest that field-based measures of ecological health analysed with multivariate tools can provide additional information to single metal guideline threshold values to monitor large systems exposed to multiple stressors.
    Citation
    Tremblay LA, Clark D, Sinner J, Ellis JI (2017) Integration of community structure data reveals observable effects below sediment guideline thresholds in a large estuary. Environ Sci: Processes Impacts 19: 1134–1141. Available: http://dx.doi.org/10.1039/c7em00073a.
    Sponsors
    This research was funded by a Ministry of Business, Innovation and Employment (MBIE) grant (contract MAUX0907), led by Massey University, with co-funding from the Bay of Plenty Regional Council for data analysis and additional funding from the Cawthron Institute. We greatly appreciate the help we received from various parties while undertaking the ecological survey: the University of Waikato, the Bay of Plenty Regional Council, Manaaki Te Awanui, Waka Digital, and many volunteers. We thank Gretchen Rasch (Cawthron Institute) for editorial comments.
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Environ. Sci.: Processes Impacts
    DOI
    10.1039/c7em00073a
    Additional Links
    http://pubs.rsc.org/en/Content/ArticleLanding/2017/EM/C7EM00073A#!divAbstract
    ae974a485f413a2113503eed53cd6c53
    10.1039/c7em00073a
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Red Sea Research Center (RSRC)

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