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    First evaluation of foraminiferal metabarcoding for monitoring environmental impact from an offshore oil drilling site

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    S0141113616301428.pdf
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    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Laroche, Olivier cc
    Wood, Susanna A.
    Tremblay, Louis A. cc
    Ellis, Joanne cc
    Lejzerowicz, Franck
    Pawlowski, Jan
    Lear, Gavin
    Atalah, Javier
    Pochon, Xavier
    KAUST Department
    Red Sea Research Center (RSRC)
    Date
    2016-08-29
    Online Publication Date
    2016-08-29
    Print Publication Date
    2016-09
    Embargo End Date
    2018-08-29
    Permanent link to this record
    http://hdl.handle.net/10754/622291
    
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    Abstract
    At present, environmental impacts from offshore oil and gas activities are partly determined by measuring changes in macrofauna diversity. Morphological identification of macrofauna is time-consuming, expensive and dependent on taxonomic expertise. In this study, we evaluated the applicability of using foraminiferal-specific metabarcoding for routine monitoring. Sediment samples were collected along distance gradients from two oil platforms off Taranaki (New Zealand) and their physicochemical properties, foraminiferal environmental DNA/RNA, and macrofaunal composition analyzed. Macrofaunal and foraminiferal assemblages showed similar shifts along impact gradients, but responded differently to environmental perturbations. Macrofauna were affected by hypoxia, whereas sediment grain size appeared to drive shifts in foraminifera. We identified eight foraminiferal molecular operational taxonomic units that have potential to be used as bioindicator taxa. Our results show that metabarcoding represents an effective tool for assessing foraminiferal communities near offshore oil and gas platforms, and that it can be used to complement current monitoring techniques. (C) 2016 Elsevier Ltd. All rights reserved.
    Citation
    Laroche O, Wood SA, Tremblay LA, Ellis JI, Lejzerowicz F, et al. (2016) First evaluation of foraminiferal metabarcoding for monitoring environmental impact from an offshore oil drilling site. Marine Environmental Research 120: 225–235. Available: http://dx.doi.org/10.1016/j.marenvres.2016.08.009.
    Sponsors
    We would like to express our gratitude to Resource and Environmental Management Ltd (Nelson, NZ) and Simon Knapman from AWE Ltd for providing the samples and for in-kind support. We also thank Olivia Johnston for valuable discussions around the Cawthron-produced Taranaki Environmental Monitoring Protocol (OTEMP). This research was co-funded by the Cawthron Institute Internal Investment Fund (IIF #15955) and the
    Publisher
    Elsevier BV
    Journal
    Marine Environmental Research
    DOI
    10.1016/j.marenvres.2016.08.009
    PubMed ID
    27595900
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S0141113616301428
    http://manuscript.elsevier.com/S0141113616301428/pdf/S0141113616301428.pdf
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.marenvres.2016.08.009
    Scopus Count
    Collections
    Articles; Red Sea Research Center (RSRC)

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