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  3. Microbial Carbon and Nitrogen Metabolism Across a Late Pleistocene Permafrost Chronosequence

Microbial Carbon and Nitrogen Metabolism Across a Late Pleistocene Permafrost Chronosequence

Dates

Publication Date
Time Period
2012

Citation

Leewis, M., Berlemont, R., Podgorski, D.C., Srinivas, A., Zito, P., Spencer, R.G.M., McFarland, J., Douglas, T.A., Conaway, C., Waldrop, M., and Mackelprang, R., 2020, Microbial Carbon and Nitrogen Metabolism Across a Late Pleistocene Permafrost Chronosequence: U.S. Geological Survey data release, https://doi.org/10.5066/P933APLH.

Summary

This data release includes all of the data presented in the peer-reviewed publication “Life at the frozen limit: Microbial Carbon Metabolism Across a Late Pleistocene Permafrost Chronosequence”. We collected permafrost from a Pleistocene chronosequence (19 ka to 33 ka) to examine (1) changes in the functional genetic potential of extant microbial communities to metabolize polysaccharides, (2) shifts in the quantity and quality of anions and dissolved nitrogen, and (3) changes in the molecular composition of dissolved organic matter. The data released herein shows that the age of permafrost had a marked effect on both the molecular composition of dissolved OC and the microbial community. Here we clearly demonstrate that while paleoclimate [...]

Contacts

Point of Contact :
Mary-Cathrine C Leewis
Process Contact :
Mary-Cathrine C Leewis
Originator :
Mary-Cathrine C Leewis, Renaud Berlemont, David C. Podgorski, Archana Srinivas, Phoebe Zito, Robert G. M. Spencer, Jack McFarland, Thomas A. Douglas, Christopher Conaway, Mark Waldrop, Rachel Mackelprang
Metadata Contact :
Mary-Cathrine C Leewis
Publisher :
U.S. Geological Survey
SDC Data Owner :
Geology, Minerals, Energy, and Geophysics Science Center
USGS Mission Area :
Energy and Minerals
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

Click on title to download individual files attached to this item.

PermafrostChemistry_June2019_SciBaseMetadata.xml
Original FGDC Metadata
View 		48.72 KB application/fgdc+xml
FTICRMS_SciBase.txt
“FT-ICR MS identification and relative abundance” 		3.61 MB text/plain
CAZy_SciBase.txt
“CAZy Protein Family identification and relative abundance” 		27.88 KB text/plain
ChemData_SciBase.txt
“Permafrost Physiochemistry” 		1.28 KB text/plain

Purpose

Data were collected in order to assess how microbial populations survive and metabolize dissolved organic matter in yedoma type permafrost across millennia.

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  • USGS Data Release Products

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Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P933APLH

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