DCO Project Summary

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Project Title
Microbial Census of the Organic-Rich Deep-Sea Sediments of the Highly Productive Bering Sea
Start DateEnd Date
2011-01-01 2014-12-31
NameRoleInstitutionDCO ID
Related GrantsDCO ID
11121/5120-9247-4845-2726-CC
Description

We propose to apply 454-based tag pyrosequencing to investigate how microbial communities change with depth, lithology, and porewater geochemistry in the sediment that underlies the Bering Sea, one of the highest productivity regions in the world ocean. To accomplish this goal, we propose to analyze extracted DNA from 16 samples taken in high resolution in conjunction with detailed porewater geochemistry. This dataset will provide an unprecedented insight into the microbial ecology of a highly productive open ocean site (35 cm/k.y) to a sediment depth of 750 m and an age of 2.1 Ma. We anticipate that through this use of next-generation sequencing technology in combination with biogeochemical and cell count datasets collected during IODP expedition 323, we will obtain significant insight into this previously uncharted ecosystem.

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Reporting Year 2014 Click to expand


  • RY2014-1 - submitted on Aug 31, 2014

    Update Details:

    Walsh, E.A., S. D’Hondt, D.C. Smith, and M.L. Sogin, M.L. Sediment age, organic matter and natural selection in sub-seafloor sediment. (in preparation)
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