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GCE-LTER Data Set Summary

Accession: ORG-GCED-1703 Research Theme: Organic Matter/Decomposition (Directed Study)
Contributors: Patricia M. Medeiros, Michael Seidel, Scott Gifford, Ford Ballantyne, Thorsten Dittmar, Barnie Whitman, Mary Ann Moran
Title: Microbially-Mediated Transformations of Estuarine Dissolved Organic Matter from Doboy Sound, Sapelo Sound and the Altamaha River near Sapelo Island, Georgia in 2012-2013
Abstract: Dissolved organic matter (DOM) samples were collected from a marsh-dominated estuarine system (Altamaha River estuary, Doboy Sound and Sapelo Sound near Sapelo Island, Georgia), inoculated with native microbiological samples, and incubated in the dark for up to 70 days. Control and incubated DOM samples were then anlyzed using ultrahigh resolution mass spectrometry to investiage microbially-mediated transformations at the molecular level. Samples were collected at high tide in November 2012 and May 2013.
DOI: 10.6073/pasta/53cba1db62f5424be458da4f16b2b459
Key Words: carbon, decomposition, DOM, estuary, isotope analysis, mass spectrometry, microbes, nutrients
LTER Core Area: Organic Matter
Research Themes: Organic Matter/Decomposition
Study Period: 18-Nov-2012 to 12-May-2013
Study Sites:
GCE-DB -- Doboy Sound, Georgia, USA
GCE-AL -- Altamaha River, Georgia, USA
GCE-DP -- Duplin River, Georgia, USA
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Medeiros, P.M., Seidel, M., Gifford, S., Ballantyne, F., Dittmar, T., Whitman, W.B. and Moran, M.A. 2017. Microbially-mediated transformations of estuarine dissolved organic matter. Special Issue: Integrative Research on Organic Matter Cycling Across Aquatic Gradients. Frontiers in Marine Science. 4(69). (DOI: 10.3389/fmars.2017.00069)

Downloads: Information

Data Spreadsheet: ORG-GCED-1508_DOM (Spreadsheet containing a matrix of FT-ICR Mass Spectrometry-derived DOM composition as relative abundance vs molecular mass in Daltons)

Access: Public (released 14-Mar-2017)

Metadata: XML (Ecological Metadata Language)

Data Formats: Spreadsheet (Excel XML) [12827kb]

Data Table: ORG-GCED-1703_Samples (Sampling information for data set ORG-GCED-1703, 39 records)

Access: Public (released 14-Mar-2017)

Metadata: Text (ESA FLED), XML (Ecological Metadata Language)

Data Formats: Spreadsheet (CSV) [5.33kb],  Text File [4.51kb],  MATLAB (GCE Toolbox) [122.51kb],  MATLAB (Variables) [95.43kb],  Text Report [19.18kb]

Column List:(display)

Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Medeiros, Patricia M. 2018. Microbially-Mediated Transformations of Estuarine Dissolved Organic Matter from Doboy Sound, Sapelo Sound and the Altamaha River near Sapelo Island, Georgia in 2012-2013. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/53cba1db62f5424be458da4f16b2b459

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959, OCE-1237140 and OCE-1832178. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.