Articles | Volume 17, issue 20
https://doi.org/10.5194/bg-17-5209-2020
© Author(s) 2020. 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-17-5209-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Oct 2020
Research article |
| 29 Oct 2020
| 29 Oct 2020
Methane paradox in tropical lakes? Sedimentary fluxes rather than pelagic production in oxic conditions sustain methanotrophy and emissions to the atmosphere
Cédric Morana
CORRESPONDING AUTHOR
KU Leuven, Leuven, Belgium
Université de Liège, Liège, Belgium
Steven Bouillon
KU Leuven, Leuven, Belgium
Vimac Nolla-Ardèvol
KU Leuven, Leuven, Belgium
Fleur A. E. Roland
Université de Liège, Liège, Belgium
William Okello
National Fisheries Resources Research Institute, Jinja, Uganda
Jean-Pierre Descy
Université de Liège, Liège, Belgium
Angela Nankabirwa
National Fisheries Resources Research Institute, Jinja, Uganda
Erina Nabafu
National Fisheries Resources Research Institute, Jinja, Uganda
Dirk Springael
KU Leuven, Leuven, Belgium
Alberto V. Borges
Université de Liège, Liège, Belgium
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Cited
21 citations as recorded by crossref.
- Spatial and temporal variations of dissolved CO2, CH4 and N2O in Lakes Edward and George (East Africa) A. Borges et al. 10.1016/j.jglr.2022.11.010
- Stable Carbon Isotope Signature of Methane Released From Phytoplankton T. Klintzsch et al. 10.1029/2023GL103317
- Labile dissolved organic matter (DOM) and nitrogen inputs modified greenhouse gas dynamics: A source-to-estuary study of the Yangtze River J. Li et al. 10.1016/j.watres.2024.121318
- “Greenhouse gas dynamics in a coastal lagoon during the recovery of the macrophyte meadow (Mar Menor, SE Spain)” B. Vallejo et al. 10.1016/j.scitotenv.2021.146314
- Acoustic Mapping of Gas Stored in Sediments of Shallow Aquatic Systems Linked to Methane Production and Ebullition Patterns L. Marcon et al. 10.3389/fenvs.2022.876540
- Evaluation of the methane paradox in four adjacent pre-alpine lakes across a trophic gradient C. Ordóñez et al. 10.1038/s41467-023-37861-7
- Severe cyanobacteria accumulation potentially induces methylotrophic methane producing pathway in eutrophic lakes C. Zhou et al. 10.1016/j.envpol.2021.118443
- Sediment methane production within eutrophic reservoirs: The importance of sedimenting organic matter R. Gruca-Rokosz & M. Cieśla 10.1016/j.scitotenv.2021.149219
- Influence of hydrological features on CO2 and CH4 concentrations in the surface water of lakes, Southwest China: A seasonal and mixing regime analysis X. Yang et al. 10.1016/j.watres.2024.121131
- Overall spatiotemporal dynamics of greenhouse gasses and oxygen in two subtropical reservoirs with contrasting trophic states T. Aguirrezabala-Campano et al. 10.1016/j.watres.2021.117056
- Microbial methane emissions from the non-methanogenesis processes: A critical review L. Liu et al. 10.1016/j.scitotenv.2021.151362
- Biogenic methane clumped isotope signatures: Insights from microbially enhanced coal bed methane X. Wang et al. 10.1016/j.fuel.2024.131307
- Methane accumulation and its potential precursor compounds in the oxic surface water layer of two contrasting stratified lakes M. Schroll et al. 10.1016/j.scitotenv.2023.166205
- Contribution of Photosynthesis-Driven Oxic Methane Production to the Methane Cycling of a Tropical River Network L. Patel et al. 10.1021/acsestwater.3c00812
- Greenhouse gas emissions from African lakes are no longer a blind spot A. Borges et al. 10.1126/sciadv.abi8716
- Picoplanktonic methane production in eutrophic surface waters S. Tenorio & L. Farías 10.5194/bg-21-2029-2024
- Spatial and seasonal dynamics of the methane cycle in a tropical coastal lagoon and its tributary river T. Aguirrezabala-Cámpano et al. 10.1016/j.scitotenv.2022.154074
- Half of global methane emissions come from highly variable aquatic ecosystem sources J. Rosentreter et al. 10.1038/s41561-021-00715-2
- Magnitude and Drivers of Oxic Methane Production in Small Temperate Lakes S. Thottathil et al. 10.1021/acs.est.2c01730
- Vertical Hydrologic Exchange Flows Control Methane Emissions from Riverbed Sediments K. Chen et al. 10.1021/acs.est.2c07676
- Linking Biogeochemical and Hydrodynamic Processes to Model Methane Fluxes in Shallow, Tropical Floodplain Lakes M. Guo et al. 10.1029/2022MS003385
21 citations as recorded by crossref.
- Spatial and temporal variations of dissolved CO2, CH4 and N2O in Lakes Edward and George (East Africa) A. Borges et al. 10.1016/j.jglr.2022.11.010
- Stable Carbon Isotope Signature of Methane Released From Phytoplankton T. Klintzsch et al. 10.1029/2023GL103317
- Labile dissolved organic matter (DOM) and nitrogen inputs modified greenhouse gas dynamics: A source-to-estuary study of the Yangtze River J. Li et al. 10.1016/j.watres.2024.121318
- “Greenhouse gas dynamics in a coastal lagoon during the recovery of the macrophyte meadow (Mar Menor, SE Spain)” B. Vallejo et al. 10.1016/j.scitotenv.2021.146314
- Acoustic Mapping of Gas Stored in Sediments of Shallow Aquatic Systems Linked to Methane Production and Ebullition Patterns L. Marcon et al. 10.3389/fenvs.2022.876540
- Evaluation of the methane paradox in four adjacent pre-alpine lakes across a trophic gradient C. Ordóñez et al. 10.1038/s41467-023-37861-7
- Severe cyanobacteria accumulation potentially induces methylotrophic methane producing pathway in eutrophic lakes C. Zhou et al. 10.1016/j.envpol.2021.118443
- Sediment methane production within eutrophic reservoirs: The importance of sedimenting organic matter R. Gruca-Rokosz & M. Cieśla 10.1016/j.scitotenv.2021.149219
- Influence of hydrological features on CO2 and CH4 concentrations in the surface water of lakes, Southwest China: A seasonal and mixing regime analysis X. Yang et al. 10.1016/j.watres.2024.121131
- Overall spatiotemporal dynamics of greenhouse gasses and oxygen in two subtropical reservoirs with contrasting trophic states T. Aguirrezabala-Campano et al. 10.1016/j.watres.2021.117056
- Microbial methane emissions from the non-methanogenesis processes: A critical review L. Liu et al. 10.1016/j.scitotenv.2021.151362
- Biogenic methane clumped isotope signatures: Insights from microbially enhanced coal bed methane X. Wang et al. 10.1016/j.fuel.2024.131307
- Methane accumulation and its potential precursor compounds in the oxic surface water layer of two contrasting stratified lakes M. Schroll et al. 10.1016/j.scitotenv.2023.166205
- Contribution of Photosynthesis-Driven Oxic Methane Production to the Methane Cycling of a Tropical River Network L. Patel et al. 10.1021/acsestwater.3c00812
- Greenhouse gas emissions from African lakes are no longer a blind spot A. Borges et al. 10.1126/sciadv.abi8716
- Picoplanktonic methane production in eutrophic surface waters S. Tenorio & L. Farías 10.5194/bg-21-2029-2024
- Spatial and seasonal dynamics of the methane cycle in a tropical coastal lagoon and its tributary river T. Aguirrezabala-Cámpano et al. 10.1016/j.scitotenv.2022.154074
- Half of global methane emissions come from highly variable aquatic ecosystem sources J. Rosentreter et al. 10.1038/s41561-021-00715-2
- Magnitude and Drivers of Oxic Methane Production in Small Temperate Lakes S. Thottathil et al. 10.1021/acs.est.2c01730
- Vertical Hydrologic Exchange Flows Control Methane Emissions from Riverbed Sediments K. Chen et al. 10.1021/acs.est.2c07676
- Linking Biogeochemical and Hydrodynamic Processes to Model Methane Fluxes in Shallow, Tropical Floodplain Lakes M. Guo et al. 10.1029/2022MS003385
Latest update: 26 Jul 2024
Short summary
A growing body of studies challenges the paradigm that methane (CH4) production occurs only under anaerobic conditions. Our field experiments revealed that oxic CH4 production is closely related to phytoplankton metabolism and is indeed a common feature in five contrasting African lakes. Nevertheless, we found that methanotrophic activity in surface waters and CH4 emissions to the atmosphere were predominantly fuelled by CH4 generated in sediments and physically transported to the surface.
A growing body of studies challenges the paradigm that methane (CH4) production occurs only...
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