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Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin

Matti Barthel, Marijn Bauters (UGent) , Simon Baumgartner, Travis W. Drake, Nivens Mokwele Bey, Glenn Bush, Pascal Boeckx (UGent) , Clement Ikene Botefa, Nathanaël Dériaz, Gode Lompoko Ekamba, et al.
(2022) NATURE COMMUNICATIONS. 13.
Author
Organization
Abstract
Globally, tropical forests are assumed to be an important source of atmospheric nitrous oxide (N2O) and sink for methane (CH4). Yet, although the Congo Basin comprises the second largest tropical forest and is considered the most pristine large basin left on Earth, in situ N2O and CH4 flux measurements are scarce. Here, we provide multi-year data derived from on-ground soil flux (n = 1558) and riverine dissolved gas concentration (n = 332) measurements spanning montane, swamp, and lowland forests. Each forest type core monitoring site was sampled at least for one hydrological year between 2016 - 2020 at a frequency of 7-14 days. We estimate a terrestrial CH4 uptake (in kg CH4-C ha−1 yr−1) for montane (−4.28) and lowland forests (−3.52) and a massive CH4 release from swamp forests (non-inundated 2.68; inundated 341). All investigated forest types were a N2O source (except for inundated swamp forest) with 0.93, 1.56, 3.5, and −0.19 kg N2O-N ha−1 yr−1 for montane, lowland, non-inundated swamp, and inundated swamp forests, respectively.
Keywords
General Physics and Astronomy, General Biochemistry, Genetics and Molecular Biology, General Chemistry, GREENHOUSE-GAS EMISSIONS, NITROUS-OXIDE, CARBON-DIOXIDE, LAND-USE, METHANE EMISSION, AFRICA SYNTHESIS, ISOTOPE RATIOS, GROUND-WATER, RAIN-FOREST, CO2 FLUXES

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Citation

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MLA
Barthel, Matti, et al. “Low N2O and Variable CH4 Fluxes from Tropical Forest Soils of the Congo Basin.” NATURE COMMUNICATIONS, vol. 13, 2022, doi:10.1038/s41467-022-27978-6.
APA
Barthel, M., Bauters, M., Baumgartner, S., Drake, T. W., Bey, N. M., Bush, G., … Six, J. (2022). Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin. NATURE COMMUNICATIONS, 13. https://doi.org/10.1038/s41467-022-27978-6
Chicago author-date
Barthel, Matti, Marijn Bauters, Simon Baumgartner, Travis W. Drake, Nivens Mokwele Bey, Glenn Bush, Pascal Boeckx, et al. 2022. “Low N2O and Variable CH4 Fluxes from Tropical Forest Soils of the Congo Basin.” NATURE COMMUNICATIONS 13. https://doi.org/10.1038/s41467-022-27978-6.
Chicago author-date (all authors)
Barthel, Matti, Marijn Bauters, Simon Baumgartner, Travis W. Drake, Nivens Mokwele Bey, Glenn Bush, Pascal Boeckx, Clement Ikene Botefa, Nathanaël Dériaz, Gode Lompoko Ekamba, Nora Gallarotti, Faustin M. Mbayu, John Kalume Mugula, Isaac Ahanamungu Makelele, Christian Ekamba Mbongo, Joachim Mohn, Joseph Zambo Mandea, Davin Mata Mpambi, Landry Cizungu Ntaboba, Montfort Bagalwa Rukeza, Robert G. M. Spencer, Laura Summerauer, Bernard Vanlauwe, Kristof Van Oost, Benjamin Wolf, and Johan Six. 2022. “Low N2O and Variable CH4 Fluxes from Tropical Forest Soils of the Congo Basin.” NATURE COMMUNICATIONS 13. doi:10.1038/s41467-022-27978-6.
Vancouver
1.
Barthel M, Bauters M, Baumgartner S, Drake TW, Bey NM, Bush G, et al. Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin. NATURE COMMUNICATIONS. 2022;13.
IEEE
[1]
M. Barthel et al., “Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin,” NATURE COMMUNICATIONS, vol. 13, 2022.
@article{8734816,
  abstract     = {{Globally, tropical forests are assumed to be an important source of atmospheric nitrous oxide (N2O) and sink for methane (CH4). Yet, although the Congo Basin comprises the second largest tropical forest and is considered the most pristine large basin left on Earth, in situ N2O and CH4 flux measurements are scarce. Here, we provide multi-year data derived from on-ground soil flux (n = 1558) and riverine dissolved gas concentration (n = 332) measurements spanning montane, swamp, and lowland forests. Each forest type core monitoring site was sampled at least for one hydrological year between 2016 - 2020 at a frequency of 7-14 days. We estimate a terrestrial CH4 uptake (in kg CH4-C ha−1 yr−1) for montane (−4.28) and lowland forests (−3.52) and a massive CH4 release from swamp forests (non-inundated 2.68; inundated 341). All investigated forest types were a N2O source (except for inundated swamp forest) with 0.93, 1.56, 3.5, and −0.19 kg N2O-N ha−1 yr−1 for montane, lowland, non-inundated swamp, and inundated swamp forests, respectively.}},
  articleno    = {{330}},
  author       = {{Barthel, Matti and Bauters, Marijn and Baumgartner, Simon and Drake, Travis W. and Bey, Nivens Mokwele and Bush, Glenn and Boeckx, Pascal and Botefa, Clement Ikene and Dériaz, Nathanaël and Ekamba, Gode Lompoko and Gallarotti, Nora and Mbayu, Faustin M. and Mugula, John Kalume and Ahanamungu Makelele, Isaac and Mbongo, Christian Ekamba and Mohn, Joachim and Mandea, Joseph Zambo and Mpambi, Davin Mata and Ntaboba, Landry Cizungu and Rukeza, Montfort Bagalwa and Spencer, Robert G. M. and Summerauer, Laura and Vanlauwe, Bernard and Van Oost, Kristof and Wolf, Benjamin and Six, Johan}},
  issn         = {{2041-1723}},
  journal      = {{NATURE COMMUNICATIONS}},
  keywords     = {{General Physics and Astronomy,General Biochemistry,Genetics and Molecular Biology,General Chemistry,GREENHOUSE-GAS EMISSIONS,NITROUS-OXIDE,CARBON-DIOXIDE,LAND-USE,METHANE EMISSION,AFRICA SYNTHESIS,ISOTOPE RATIOS,GROUND-WATER,RAIN-FOREST,CO2 FLUXES}},
  language     = {{eng}},
  pages        = {{8}},
  title        = {{Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin}},
  url          = {{http://doi.org/10.1038/s41467-022-27978-6}},
  volume       = {{13}},
  year         = {{2022}},
}
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