Articles | Volume 19, issue 1
https://doi.org/10.5194/bg-19-137-2022
© Author(s) 2022. 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-19-137-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Jan 2022
Research article |
| 07 Jan 2022
| 07 Jan 2022
Partitioning carbon sources between wetland and well-drained ecosystems to a tropical first-order stream – implications for carbon cycling at the watershed scale (Nyong, Cameroon)
Moussa Moustapha
Département des Sciences de la Terre, Faculté des Sciences, Université de Ngaoundéré, Ngaoundéré, Cameroon
Loris Deirmendjian
Géosciences Environnement Toulouse (GET-Université de
Toulouse, CNRS, IRD), Université de Toulouse Paul Sabatier, 14 Avenue
Edouard-Belin, 31400 Toulouse, France
IRD, UR 234, GET, 14 Avenue E. Belin, 31400, Toulouse, France
David Sebag
Normandie Univ, UNIROUEN, UNICAEN, CNRS, M2C, 76000 Rouen, France
HSM, IRD, CNRS, Université de Montpellier, Montpellier,
France
IFPEN, Geosciences Dept, Rueil-Malmaison, France
Jean-Jacques Braun
Géosciences Environnement Toulouse (GET-Université de
Toulouse, CNRS, IRD), Université de Toulouse Paul Sabatier, 14 Avenue
Edouard-Belin, 31400 Toulouse, France
IRD, UR 234, GET, 14 Avenue E. Belin, 31400, Toulouse, France
Institut de Recherches Géologiques et Minières/Centre de
Recherches Hydrologiques, BP 4110, Yaoundé, Cameroon
International Joint Laboratory DYCOFAC, IRGM-UY1-IRD, Rue Joseph
Essono Balla, Quartier Elig Essono, BP 1857, Yaoundé, Cameroon
Stéphane Audry
Géosciences Environnement Toulouse (GET-Université de
Toulouse, CNRS, IRD), Université de Toulouse Paul Sabatier, 14 Avenue
Edouard-Belin, 31400 Toulouse, France
Henriette Ateba Bessa
Institut de Recherches Géologiques et Minières/Centre de
Recherches Hydrologiques, BP 4110, Yaoundé, Cameroon
Thierry Adatte
Institut des Sciences de la Terre (ISTE), Université de Lausanne,
GEOPOLIS, 1015 Lausanne, Switzerland
Carole Causserand
Géosciences Environnement Toulouse (GET-Université de
Toulouse, CNRS, IRD), Université de Toulouse Paul Sabatier, 14 Avenue
Edouard-Belin, 31400 Toulouse, France
Ibrahima Adamou
Département des Sciences de la Terre, Faculté des Sciences, Université de Ngaoundéré, Ngaoundéré, Cameroon
Benjamin Ngounou Ngatcha
Département des Sciences de la Terre, Faculté des Sciences, Université de Ngaoundéré, Ngaoundéré, Cameroon
Géosciences Environnement Toulouse (GET-Université de
Toulouse, CNRS, IRD), Université de Toulouse Paul Sabatier, 14 Avenue
Edouard-Belin, 31400 Toulouse, France
IRD, UR 234, GET, 14 Avenue E. Belin, 31400, Toulouse, France
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Cited
6 citations as recorded by crossref.
- Stream respiration exceeds CO2 evasion in a low‐energy, oligotrophic tropical stream V. Solano et al. 10.1002/lno.12334
- Seasonal Wetlands Make a Relatively Limited Contribution to the Dissolved Carbon Pool of a Lowland Headwater Tropical Stream V. Solano et al. 10.1029/2023JG007556
- Carbon Dioxide and Methane Dynamics in a Peatland Headwater Stream: Origins, Processes and Implications P. Taillardat et al. 10.1029/2022JG006855
- Chemical weathering and CO2 consumption in the upper Nyong Basin rivers (Central Africa): Insights on climatic and anthropogenic forcing in humid tropical environments D. Komba et al. 10.1016/j.scitotenv.2024.173405
- Basin‐Scale CO2 Emissions From the East River in South China: Importance of Small Rivers, Human Impacts and Monsoons B. Liu et al. 10.1029/2022JG007291
- Ethnopharmacological survey and antibacterial activity of medicinal plant extracts used against bacterial enteritis in rabbits M. Chouegouong et al. 10.1007/s13596-021-00615-1
4 citations as recorded by crossref.
- Stream respiration exceeds CO2 evasion in a low‐energy, oligotrophic tropical stream V. Solano et al. 10.1002/lno.12334
- Seasonal Wetlands Make a Relatively Limited Contribution to the Dissolved Carbon Pool of a Lowland Headwater Tropical Stream V. Solano et al. 10.1029/2023JG007556
- Carbon Dioxide and Methane Dynamics in a Peatland Headwater Stream: Origins, Processes and Implications P. Taillardat et al. 10.1029/2022JG006855
- Chemical weathering and CO2 consumption in the upper Nyong Basin rivers (Central Africa): Insights on climatic and anthropogenic forcing in humid tropical environments D. Komba et al. 10.1016/j.scitotenv.2024.173405
2 citations as recorded by crossref.
- Basin‐Scale CO2 Emissions From the East River in South China: Importance of Small Rivers, Human Impacts and Monsoons B. Liu et al. 10.1029/2022JG007291
- Ethnopharmacological survey and antibacterial activity of medicinal plant extracts used against bacterial enteritis in rabbits M. Chouegouong et al. 10.1007/s13596-021-00615-1
Latest update: 21 Nov 2024
Short summary
We monitor the spatio-temporal variability of organic and inorganic carbon (C) species in the tropical Nyong River (Cameroon), across groundwater and increasing stream orders. We show the significant contribution of wetland as a C source for tropical rivers. Thus, ignoring the river–wetland connectivity might lead to the misrepresentation of C dynamics in tropical watersheds. Finally, total fluvial carbon losses might offset ~10 % of the net C sink estimated for the whole Nyong watershed.
We monitor the spatio-temporal variability of organic and inorganic carbon (C) species in the...
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