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    A bacterial community-based index to assess the ecological status of estuarine and coastal environments

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    Type
    Article
    Authors
    Aylagas, Eva
    Borja, Ángel
    Tangherlini, Michael
    Dell'Anno, Antonio
    Corinaldesi, Cinzia
    Michell, Craig
    Irigoien, Xabier cc
    Danovaro, Roberto
    Rodríguez-Ezpeleta, Naiara
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Red Sea Research Center (RSRC)
    Date
    2016-10-23
    Online Publication Date
    2016-10-23
    Print Publication Date
    2017-01
    Permanent link to this record
    http://hdl.handle.net/10754/622266
    
    Metadata
    Show full item record
    Abstract
    Biotic indices for monitoring marine ecosystems are mostly based on the analysis of benthic macroinvertebrate communities. Due to their high sensitivity to pollution and fast response to environmental changes, bacterial assemblages could complement the information provided by benthic metazoan communities as indicators of human-induced impacts, but so far, this biological component has not been well explored for this purpose. Here we performed 16S rRNA gene amplicon sequencing to analyze the bacterial assemblage composition of 51 estuarine and coastal stations characterized by different environmental conditions and human-derived pressures. Using the relative abundance of putative indicator bacterial taxa, we developed a biotic index that is significantly correlated with a sediment quality index calculated on the basis of organic and inorganic compound concentrations. This new index based on bacterial assemblage composition can be a sensitive tool for providing a fast environmental assessment and allow a more comprehensive integrative ecosystem approach for environmental management. © 2016.
    Citation
    Aylagas E, Borja Á, Tangherlini M, Dell’Anno A, Corinaldesi C, et al. (2016) A bacterial community-based index to assess the ecological status of estuarine and coastal environments. Marine Pollution Bulletin. Available: http://dx.doi.org/10.1016/j.marpolbul.2016.10.050.
    Sponsors
    This manuscript is a result of the DEVOTES (DEVelopment Of innovative Tools for understanding marine biodiversity and assessing good Environmental Status - http://www.devotes-project.eu) project funded by the European Union (7th Framework Program ‘The Ocean of Tomorrow’ Theme, grant agreement no. 308392) and the Basque Water Agency (URA) through a Convention with AZTI. Eva Aylagas is supported by the “Fundación Centros Tecnológicos” through an “Iñaki Goenaga” doctoral grant. We thank Iñaki Mendibil for technical assistance, Iñigo Muxika for discussions, Guillem Chust for statistical support and Laura Alonso for contribution to significantly improving the manuscript. This paper is contribution number 778 from AZTI (Marine Research Division).
    Publisher
    Elsevier BV
    Journal
    Marine Pollution Bulletin
    DOI
    10.1016/j.marpolbul.2016.10.050
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S0025326X16308670
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.marpolbul.2016.10.050
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program

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