Articles | Volume 18, issue 8
https://doi.org/10.5194/bg-18-2449-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-2449-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Biogeochemical and plant trait mechanisms drive enhanced methane emissions in response to whole-ecosystem warming
Smithsonian Environmental Research Center, Edgewater, MD, USA
J. Patrick Megonigal
Smithsonian Environmental Research Center, Edgewater, MD, USA
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Cited
31 citations as recorded by crossref.
- Impact of Water Table on Methane Emission Dynamics in Terrestrial Wetlands and Implications on Strategies for Wetland Management and Restoration T. Yang et al.
- Wetland plant development overrides nitrogen effects on initial methane emissions after peat rewetting C. Boonman et al.
- Increasing seedling number alleviates the adverse effects of warming on grain yield and reduces greenhouse gas emission in late-season rice R. Xiong et al.
- Assessing root–soil interactions in wetland plants: root exudation and radial oxygen loss K. Haviland & G. Noyce
- High spatial variability in wetland methane fluxes is tied to vegetation patch types G. Stewart et al.
- Global environmental change mediated response of wetland plants: Evidence from past decades P. Sati et al.
- Organic blue carbon sequestration in vegetated coastal wetlands: Processes and influencing factors Q. Hao et al.
- Climate-induced shifts in sulfate dynamics regulate anaerobic methane oxidation in a coastal wetland J. Lee et al.
- Oxygen priming induced by elevated CO2 reduces carbon accumulation and methane emissions in coastal wetlands G. Noyce et al.
- Stronger increase of methane emissions from coastal wetlands by non‐native Spartina alterniflora than non‐native Phragmites australis A. Fuchs et al.
- Vegetation and hydrology stratification as proxies to estimate methane emission from tidal marshes R. Derby et al.
- Methane Gas Ebullition Dynamics From Different Subtropical Wetland Vegetation Communities in Big Cypress National Preserve, Florida Are Revealed Using a Multi‐Method, Multi‐Scale Approach M. Sirianni et al.
- Shallow lakes under alternative states differ in the dominant greenhouse gas emission pathways S. Baliña et al.
- Wetland hydrological dynamics and methane emissions S. Cui et al.
- Modeling strategies and data needs for representing coastal wetland vegetation in land surface models S. LaFond‐Hudson & B. Sulman
- Identifying and filling critical knowledge gaps can optimize financial viability of blue carbon projects in tidal wetlands T. Carruthers et al.
- Effects of free-air temperature increase on grain yield and greenhouse gas emissions in a double rice cropping system H. Wang et al.
- Controls on spatial variation in porewater methane concentrations across United States tidal wetlands E. Koontz et al.
- Tidal restriction likely has greater impact on the carbon sink of coastal wetland than climate warming and invasive plant P. Zhou et al.
- Plant-mediated CH4 exchange in wetlands: A review of mechanisms and measurement methods with implications for modelling M. Ge et al.
- Higher Temperature Sensitivity of Ecosystem Respiration in Low Marsh Compared to High Elevation Marsh Ecosystems J. Carey et al.
- What’s Going on Down There? Impacts of Long-Term Elevated CO2 and Community Composition on Components of Below-Ground Biomass in a Chesapeake Bay Saltmarsh R. Collin et al.
- Geomorphic and ecological constraints on the coastal carbon sink M. Kirwan et al.
- Spartina alterniflora has the highest methane emissions in a St. Lawrence estuary salt marsh S. Comer-Warner et al.
- Ephemeral microbial responses to pulses of bioavailable carbon in oxic and anoxic salt marsh soils A. Spivak et al.
- Physical Factors and Microbubble Formation Explain Differences in CH4 Dynamics Between Shallow Lakes Under Alternative States S. Baliña et al.
- A new framework for interpreting ex situ wetland methane production and consumption rates S. Kent et al.
- Net Methane Production Predicted by Patch Characteristics in a Freshwater Wetland S. Sharp et al.
- Intensive smooth cordgrass removal strengthens tidal and temperature impacts on methane emission Y. Deng et al.
- Responses of greenhouse gases emissions from wetland soils to the interactive effects of nitrogen input and warming in Sanjiang Plain, China Y. Feng et al.
- To Harvest or not to Harvest: Management Intensity did not Affect Greenhouse Gas Balances of Phalaris Arundinacea Paludiculture C. Nielsen et al.
31 citations as recorded by crossref.
- Impact of Water Table on Methane Emission Dynamics in Terrestrial Wetlands and Implications on Strategies for Wetland Management and Restoration T. Yang et al.
- Wetland plant development overrides nitrogen effects on initial methane emissions after peat rewetting C. Boonman et al.
- Increasing seedling number alleviates the adverse effects of warming on grain yield and reduces greenhouse gas emission in late-season rice R. Xiong et al.
- Assessing root–soil interactions in wetland plants: root exudation and radial oxygen loss K. Haviland & G. Noyce
- High spatial variability in wetland methane fluxes is tied to vegetation patch types G. Stewart et al.
- Global environmental change mediated response of wetland plants: Evidence from past decades P. Sati et al.
- Organic blue carbon sequestration in vegetated coastal wetlands: Processes and influencing factors Q. Hao et al.
- Climate-induced shifts in sulfate dynamics regulate anaerobic methane oxidation in a coastal wetland J. Lee et al.
- Oxygen priming induced by elevated CO2 reduces carbon accumulation and methane emissions in coastal wetlands G. Noyce et al.
- Stronger increase of methane emissions from coastal wetlands by non‐native Spartina alterniflora than non‐native Phragmites australis A. Fuchs et al.
- Vegetation and hydrology stratification as proxies to estimate methane emission from tidal marshes R. Derby et al.
- Methane Gas Ebullition Dynamics From Different Subtropical Wetland Vegetation Communities in Big Cypress National Preserve, Florida Are Revealed Using a Multi‐Method, Multi‐Scale Approach M. Sirianni et al.
- Shallow lakes under alternative states differ in the dominant greenhouse gas emission pathways S. Baliña et al.
- Wetland hydrological dynamics and methane emissions S. Cui et al.
- Modeling strategies and data needs for representing coastal wetland vegetation in land surface models S. LaFond‐Hudson & B. Sulman
- Identifying and filling critical knowledge gaps can optimize financial viability of blue carbon projects in tidal wetlands T. Carruthers et al.
- Effects of free-air temperature increase on grain yield and greenhouse gas emissions in a double rice cropping system H. Wang et al.
- Controls on spatial variation in porewater methane concentrations across United States tidal wetlands E. Koontz et al.
- Tidal restriction likely has greater impact on the carbon sink of coastal wetland than climate warming and invasive plant P. Zhou et al.
- Plant-mediated CH4 exchange in wetlands: A review of mechanisms and measurement methods with implications for modelling M. Ge et al.
- Higher Temperature Sensitivity of Ecosystem Respiration in Low Marsh Compared to High Elevation Marsh Ecosystems J. Carey et al.
- What’s Going on Down There? Impacts of Long-Term Elevated CO2 and Community Composition on Components of Below-Ground Biomass in a Chesapeake Bay Saltmarsh R. Collin et al.
- Geomorphic and ecological constraints on the coastal carbon sink M. Kirwan et al.
- Spartina alterniflora has the highest methane emissions in a St. Lawrence estuary salt marsh S. Comer-Warner et al.
- Ephemeral microbial responses to pulses of bioavailable carbon in oxic and anoxic salt marsh soils A. Spivak et al.
- Physical Factors and Microbubble Formation Explain Differences in CH4 Dynamics Between Shallow Lakes Under Alternative States S. Baliña et al.
- A new framework for interpreting ex situ wetland methane production and consumption rates S. Kent et al.
- Net Methane Production Predicted by Patch Characteristics in a Freshwater Wetland S. Sharp et al.
- Intensive smooth cordgrass removal strengthens tidal and temperature impacts on methane emission Y. Deng et al.
- Responses of greenhouse gases emissions from wetland soils to the interactive effects of nitrogen input and warming in Sanjiang Plain, China Y. Feng et al.
- To Harvest or not to Harvest: Management Intensity did not Affect Greenhouse Gas Balances of Phalaris Arundinacea Paludiculture C. Nielsen et al.
Saved (final revised paper)
Latest update: 11 May 2026
Short summary
Methane (CH4) is a potent greenhouse gas that contributes to global radiative forcing. A mechanistic understanding of how wetland CH4 cycling will respond to global warming is crucial for improving prognostic models. We present results from the first 4 years of a novel whole-ecosystem warming experiment in a coastal wetland, showing that warming increases CH4 emissions and identifying four potential mechanisms that can be added to future modeling efforts.
Methane (CH4) is a potent greenhouse gas that contributes to global radiative forcing. A...
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