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Title: Abundant carbon substrates drive extremely high sulfate reduction rates and methane fluxes in Prairie Pothole Wetlands

Abstract

Inland waters are increasingly recognized as critical sites of methane emissions to the atmosphere, but the biogeochemical reactions driving such fluxes are less well understood. The Prairie Pothole Region (PPR) of North America is one of the largest wetland complexes in the world, containing millions of small, shallow wetlands. The sediment pore waters of PPR wetlands contain some of the highest concentrations of dissolved organic carbon (DOC) and sulfur species ever recorded in terrestrial aquatic environments. Using a suite of geochemical and microbiological analyses we measured the impact of sedimentary carbon and sulfur transformations in these wetlands on methane fluxes to the atmosphere. This research represents the first study of coupled geochemistry and microbiology within the PPR, and demonstrates how the conversion of abundant labile DOC pools into methane results in some of the highest fluxes of this greenhouse gas to the atmosphere ever reported. Abundant DOC and sulfate additionally supported some of the highest sulfate reduction rates ever measured in terrestrial aquatic environments, which we infer to account for a large fraction of carbon mineralization in this system. Methane accumulations in zones of active sulfate reduction may be due to either the transport of free methane gas from deepermore » locations, or the co-occurrence of methanogenesis and sulfate reduction. If both respiratory processes are concurrent, any competitive inhibition of methanogenesis by sulfate-reducing bacteria may be lessened by the presence of large labile DOC pools that yield non-competitive substrates such as methanol. Our results reveal some of the underlying mechanisms that make PPR wetlands biogeochemical hotspots, which ultimately leads to their critical, but poorly recognized role in regional greenhouse gas emissions.« less

Authors:
 [1];  [2];  [3];  [4];  [2];  [3];  [3];  [5];  [5];  [3];  [1];  [5]; ORCiD logo [6]
  1. Microbiology Department, The Ohio State University, Columbus OH 43210 USA
  2. Environmental Molecular Sciences Laboratory, Richland WA 99350 USA
  3. United States Geological Survey - Northern Prairie Wildlife Research Center, Jamestown ND 58401 USA
  4. United States Geological Survey, Crustal Geophysics and Geochemistry Science Center, Building 20, Denver Federal Center Denver CO 80225 USA
  5. School of Earth Sciences, The Ohio State University, Columbus OH 43210 USA
  6. Microbiology Department, The Ohio State University, Columbus OH 43210 USA; School of Earth Sciences, The Ohio State University, Columbus OH 43210 USA
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
Sponsoring Org.:
USDOE
OSTI Identifier:
1406680
Report Number(s):
PNNL-SA-120033
Journal ID: ISSN 1354-1013; 48837; KP1704020
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Global Change Biology
Additional Journal Information:
Journal Volume: 23; Journal Issue: 8; Journal ID: ISSN 1354-1013
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
Environmental Molecular Sciences Laboratory

Citation Formats

Dalcin Martins, Paula, Hoyt, David W., Bansal, Sheel, Mills, Christopher T., Tfaily, Malak, Tangen, Brian A., Finocchiaro, Raymond G., Johnston, Michael D., McAdams, Brandon C., Solensky, Matthew J., Smith, Garrett J., Chin, Yu-Ping, and Wilkins, Michael J. Abundant carbon substrates drive extremely high sulfate reduction rates and methane fluxes in Prairie Pothole Wetlands. United States: N. p., 2017. Web. doi:10.1111/gcb.13633.
Dalcin Martins, Paula, Hoyt, David W., Bansal, Sheel, Mills, Christopher T., Tfaily, Malak, Tangen, Brian A., Finocchiaro, Raymond G., Johnston, Michael D., McAdams, Brandon C., Solensky, Matthew J., Smith, Garrett J., Chin, Yu-Ping, & Wilkins, Michael J. Abundant carbon substrates drive extremely high sulfate reduction rates and methane fluxes in Prairie Pothole Wetlands. United States. https://doi.org/10.1111/gcb.13633
Dalcin Martins, Paula, Hoyt, David W., Bansal, Sheel, Mills, Christopher T., Tfaily, Malak, Tangen, Brian A., Finocchiaro, Raymond G., Johnston, Michael D., McAdams, Brandon C., Solensky, Matthew J., Smith, Garrett J., Chin, Yu-Ping, and Wilkins, Michael J. Thu . "Abundant carbon substrates drive extremely high sulfate reduction rates and methane fluxes in Prairie Pothole Wetlands". United States. https://doi.org/10.1111/gcb.13633.
@article{osti_1406680,
title = {Abundant carbon substrates drive extremely high sulfate reduction rates and methane fluxes in Prairie Pothole Wetlands},
author = {Dalcin Martins, Paula and Hoyt, David W. and Bansal, Sheel and Mills, Christopher T. and Tfaily, Malak and Tangen, Brian A. and Finocchiaro, Raymond G. and Johnston, Michael D. and McAdams, Brandon C. and Solensky, Matthew J. and Smith, Garrett J. and Chin, Yu-Ping and Wilkins, Michael J.},
abstractNote = {Inland waters are increasingly recognized as critical sites of methane emissions to the atmosphere, but the biogeochemical reactions driving such fluxes are less well understood. The Prairie Pothole Region (PPR) of North America is one of the largest wetland complexes in the world, containing millions of small, shallow wetlands. The sediment pore waters of PPR wetlands contain some of the highest concentrations of dissolved organic carbon (DOC) and sulfur species ever recorded in terrestrial aquatic environments. Using a suite of geochemical and microbiological analyses we measured the impact of sedimentary carbon and sulfur transformations in these wetlands on methane fluxes to the atmosphere. This research represents the first study of coupled geochemistry and microbiology within the PPR, and demonstrates how the conversion of abundant labile DOC pools into methane results in some of the highest fluxes of this greenhouse gas to the atmosphere ever reported. Abundant DOC and sulfate additionally supported some of the highest sulfate reduction rates ever measured in terrestrial aquatic environments, which we infer to account for a large fraction of carbon mineralization in this system. Methane accumulations in zones of active sulfate reduction may be due to either the transport of free methane gas from deeper locations, or the co-occurrence of methanogenesis and sulfate reduction. If both respiratory processes are concurrent, any competitive inhibition of methanogenesis by sulfate-reducing bacteria may be lessened by the presence of large labile DOC pools that yield non-competitive substrates such as methanol. Our results reveal some of the underlying mechanisms that make PPR wetlands biogeochemical hotspots, which ultimately leads to their critical, but poorly recognized role in regional greenhouse gas emissions.},
doi = {10.1111/gcb.13633},
url = {https://www.osti.gov/biblio/1406680}, journal = {Global Change Biology},
issn = {1354-1013},
number = 8,
volume = 23,
place = {United States},
year = {2017},
month = {2}
}

Works referenced in this record:

UCHIME improves sensitivity and speed of chimera detection
journal, June 2011


Methanobacterium paludis sp. nov. and a novel strain of Methanobacterium lacus isolated from northern peatlands
journal, January 2014


Cohn’s Crenothrix is a filamentous methane oxidizer with an unusual methane monooxygenase
journal, February 2006


The anaerobic oxidation of methane and sulfate reduction in sediments from Gulf of Mexico cold seeps
journal, May 2004


Measurement of bacterial sulfate reduction in sediments: Evaluation of a single-step chromium reduction method
journal, November 1989


Filamentous bacteria transport electrons over centimetre distances
journal, October 2012


Wet and Wonderful: The World's Largest Wetlands Are Conservation Priorities
journal, January 2009


Methanosarcina subterranea sp. nov., a methanogenic archaeon isolated from a deep subsurface diatomaceous shale formation
journal, April 2015


Improved Attribution of Climate Forcing to Emissions
journal, October 2009


The boundless carbon cycle
journal, September 2009


Characterization of dissolved organic matter in Lake Superior and its watershed using ultrahigh resolution mass spectrometry
journal, February 2012


Carbon emission from hydroelectric reservoirs linked to reservoir age and latitude
journal, July 2011


Effects of land use on greenhouse gas fluxes and soil properties of wetland catchments in the Prairie Pothole Region of North America
journal, November 2015


Methane flux from northern wetlands and tundra: An ecosystem source modelling approach
journal, January 1996


Naive Bayesian Classifier for Rapid Assignment of rRNA Sequences into the New Bacterial Taxonomy
journal, June 2007


Freshwater Methane Emissions Offset the Continental Carbon Sink
journal, January 2011


Potential methane emission from north-temperate lakes following ice melt
journal, July 1996


High methane flux from an arctic floodplain (Indigirka lowlands, eastern Siberia): METHANE FLUX ARCTIC FLOODPLAIN SIBERIA
journal, October 2005


Global carbon dioxide emissions from inland waters
journal, November 2013


Hydrogeochemistry of prairie pothole region wetlands: Role of long-term critical zone processes
journal, November 2014


Sources and composition of sediment pore-water dissolved organic matter in prairie pothole lakes
journal, May 2013


Temperature and Hydrology Affect Methane Emissions from Prairie Pothole Wetlands
journal, September 2016


Search and clustering orders of magnitude faster than BLAST
journal, August 2010


Plumbing the Global Carbon Cycle: Integrating Inland Waters into the Terrestrial Carbon Budget
journal, February 2007


Novel Insights into the Distribution of Reduced Sulfur Species in Prairie Pothole Wetland Pore Waters Provided by Bismuth Film Electrodes
journal, February 2016


Effect of hydrogen sulfide on growth of sulfate reducing bacteria
journal, August 1992


Evidence of Incorporation of Abiotic S and N into Prairie Wetland Dissolved Organic Matter
journal, August 2014


Large-scale patterns in summer diffusive CH 4 fluxes across boreal lakes, and contribution to diffusive C emissions
journal, October 2014


Gully hotspot contribution to landscape methane (CH4) and carbon dioxide (CO2) fluxes in a northern peatland
journal, October 2008


Methanocella arvoryzae sp. nov., a hydrogenotrophic methanogen isolated from rice field soil
journal, January 2010


Effect of Temperature on Anaerobic Ethanol Oxidation and Methanogenesis in Acidic Peat from a Northern Wetland
journal, December 2005


Targeted Profiling:  Quantitative Analysis of 1 H NMR Metabolomics Data
journal, July 2006


Nitrite-driven anaerobic methane oxidation by oxygenic bacteria
journal, March 2010


Microscale Characterization of Sulfur Speciation in Lake Sediments
journal, February 2013


QIIME allows analysis of high-throughput community sequencing data
journal, April 2010


The Genome Sequence of the Obligately Chemolithoautotrophic, Facultatively Anaerobic Bacterium Thiobacillus denitrificans
journal, February 2006


The carbon balance of North American wetlands
journal, December 2006


Methane dynamics in an alpine fen: a field-based study on methanogenic and methanotrophic microbial communities
journal, December 2014


Methane emissions from Alaska in 2012 from CARVE airborne observations
journal, November 2014


Degradation of natural organic matter: A thermodynamic analysis
journal, April 2011


Methanospirillum psychrodurum sp. nov., isolated from wetland soil
journal, October 2013


Large contribution to inland water CO2 and CH4 emissions from very small ponds
journal, February 2016