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Accession: ORG-GCEL-2212 Research Theme: Organic Matter/Decomposition (Leveraged Study)
Contributor: Amanda C. Spivak
Title: Experimental soil metabolism responses to oxygen availability and carbon pulses
Abstract: Soil metabolism rates were measured in experimental flow-through reactors (FTRs) in order to assess responses to oxygen availability (i.e., redox conditions) and pulsed inputs of bioavailable carbon. The oxygen and carbon manipulations were meant to simulate patchy conditions in the rhizosphere of Spartina alterniflora marshes. The experiment was conducted over 97 days. During the first 84 days, pulses were applied weekly and metabolic responses were measured 1 and 5 days later. After the final carbon pulse, metabolism responses were followed for another 13 days in order to assess starvation responses. We used soils from Airport marsh on Sapelo Island.
DOI: 10.6073/pasta/c6adc3e855ed0d3f66626e4de3ed0616
Key Words: carbon cycling, carbon fluxes, decomposition, Marsh Landing, marshes, respiration rates, root decomposition, Spartina alterniflora
LTER Core Area: Organic Matter
Research Themes: Organic Matter/Decomposition, Marsh Ecology
Study Period: 01-May-2020 to 01-Dec-2020
Study Sites:
ML -- Marsh Landing, Sapelo Island, Georgia, USA
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Downloads: Information

Data Table: ORG-GCEL-2212_FTR_rate (Concentration change rates, 177 records)

Access: Public (released 17-Dec-2022)

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

Data Formats: Spreadsheet (CSV) [12.80kb],  Text File [11.34kb],  MATLAB (GCE Toolbox) [25.22kb],  MATLAB (Variables) [24.46kb],  Text Report [29.76kb]

Column List:(display)


Data Table: ORG-GCEL-2212_Soil_CN (Soil Carbon and Nitrogen data, 30 records)

Access: Public (released 17-Dec-2022)

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

Data Formats: Spreadsheet (CSV) [2.68kb],  Text File [2.03kb],  MATLAB (GCE Toolbox) [22.68kb],  MATLAB (Variables) [22.23kb],  Text Report [19.62kb]

Column List:(display)


Data Table: ORG-GCEL-2212_Soil_Fe (Soil Iron data, 27 records)

Access: Public (released 17-Dec-2022)

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

Data Formats: Spreadsheet (CSV) [2.16kb],  Text File [1.65kb],  MATLAB (GCE Toolbox) [21.77kb],  MATLAB (Variables) [20.46kb],  Text Report [18.06kb]

Column List:(display)

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Citation: Spivak, Amanda C. 2022. Experimental soil metabolism responses to oxygen availability and carbon pulses. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/c6adc3e855ed0d3f66626e4de3ed0616

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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.