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Microbial Ecology of Gulf of Mexico Shipwrecks

Author(s): Patrick M. Gillevet ; Christine McGown ; Lisa A. Fitzgerald ; Leila Hamdan

Year: 2015

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Summary

Microbiomes associated with wooden and steel shipwrecks were investigated using next generation sequencing.  Samples were derived from in situ biofilm monitoring platforms deployed for ~4 months, and sediment collected ~2-5 m from shipwrecks.  The goal of the investigation is to determine rates of recruitment and community structure at sites located within and outside of areas impacted by the Deepwater Horizon spill (DWHS). Sediments will elucidate the influence of shipwrecks on the geochemistry and biodiversity of the surrounding seafloor. Taxonomic classification of dominant and rare members of shipwreck microbiomes and metabolic information extracted from sequence data yield new understanding of microbial processes associated with site formation.  Physicochemical data helps describe features that shape shipwreck microbiomes.  The study provides novel information on the identity of microbial inhabitants of shipwrecks, their role in site preservation, and impacts of the DWHS on the primary colonizers of shipwrecks in the deep ocean.


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Microbial Ecology of Gulf of Mexico Shipwrecks. Patrick M. Gillevet, Christine McGown, Lisa A. Fitzgerald, Leila Hamdan. Presented at Society for Historical Archaeology, Seattle, Washington. 2015 ( tDAR id: 433809)


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Spatial Coverage

min long: -129.199; min lat: 24.495 ; max long: -66.973; max lat: 49.359 ;

Record Identifiers

PaperId(s): 238

Arizona State University The Andrew W. Mellon Foundation National Science Foundation National Endowment for the Humanities Society for American Archaeology Archaeological Institute of America