Spatiotemporal variability of CO2, N2O and CH4 fluxes from a semi-deciduous tropical forest soil in the Congo Basin

Daelman, Roxanne; Bauters, Marijn; Barthel, Matti; Bulonza, Emmanuel; Lefevre, Lodewijk; Mbifo, José; Six, Johan; Butterbach-Bahl, Klaus; Wolf, Benjamin; Kiese, Ralf; Boeckx, Pascal

doi:10.5194/bg-22-1529-2025

Articles | Volume 22, issue 6

https://doi.org/10.5194/bg-22-1529-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-22-1529-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 6

Research article

|

20 Mar 2025

Research article |

| 20 Mar 2025

Spatiotemporal variability of CO₂, N₂O and CH₄ fluxes from a semi-deciduous tropical forest soil in the Congo Basin

Roxanne Daelman, Marijn Bauters, Matti Barthel, Emmanuel Bulonza, Lodewijk Lefevre, José Mbifo, Johan Six, Klaus Butterbach-Bahl, Benjamin Wolf, Ralf Kiese, and Pascal Boeckx

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Month	HTML	PDF	XML	Total
Aug 2024	151	51	9	211
Sep 2024	110	15	5	130
Oct 2024	58	20	33	111
Nov 2024	21	5	48	74
Dec 2024	12	9	6	27
Jan 2025	16	10	16	42
Feb 2025	15	4	19	38
Mar 2025	147	115	4	266
Apr 2025	77	30	0	107
May 2025	64	10	3	77
Jun 2025	53	5	1	59
Jul 2025	82	15	1	98
Aug 2025	142	11	1	154
Sep 2025	175	6	3	184
Oct 2025	66	16	3	85
Nov 2025	78	15	3	96
Dec 2025	95	24	15	134
Jan 2026	100	30	11	141
Feb 2026	67	13	1	81
Mar 2026	78	22	4	104
Apr 2026	29	15	2	46

Cumulative views and downloads (calculated since 14 Aug 2024)

Month	HTML	PDF	XML	Total
Aug 2024	151	51	9	211
Sep 2024	110	15	5	130
Oct 2024	58	20	33	111
Nov 2024	21	5	48	74
Dec 2024	12	9	6	27
Jan 2025	16	10	16	42
Feb 2025	15	4	19	38
Mar 2025	147	115	4	266
Apr 2025	77	30	0	107
May 2025	64	10	3	77
Jun 2025	53	5	1	59
Jul 2025	82	15	1	98
Aug 2025	142	11	1	154
Sep 2025	175	6	3	184
Oct 2025	66	16	3	85
Nov 2025	78	15	3	96
Dec 2025	95	24	15	134
Jan 2026	100	30	11	141
Feb 2026	67	13	1	81
Mar 2026	78	22	4	104
Apr 2026	29	15	2	46

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Short summary

The increase in atmospheric concentrations of several greenhouse gases (GHGs) since 1750 is attributed to human activity. However, natural ecosystems, such as tropical forests, also contribute to GHG budgets. The Congo Basin hosts the second largest tropical forest and is understudied. In this study, measurements of soil GHG exchange were carried out during 16 months in a tropical forest in the Congo Basin. Overall, the soil acted as a major source of CO₂ and N₂O and a minor sink of CH₄.