Articles | Volume 7, issue 1
https://doi.org/10.5194/soil-7-83-2021
© 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/soil-7-83-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Original research article
| 
30 Mar 2021
Original research article |
| 30 Mar 2021
| 30 Mar 2021
Stable isotope signatures of soil nitrogen on an environmental–geomorphic gradient within the Congo Basin
Simon Baumgartner
CORRESPONDING AUTHOR
Earth and Life Institute, UCLouvain, Louvain-la-Neuve, 1348, Belgium
Department of Green Chemistry and Technology, Ghent University, Ghent, 9000, Belgium
Marijn Bauters
Department of Green Chemistry and Technology, Ghent University, Ghent, 9000, Belgium
Department of Environment, Ghent University, Ghent, 9000, Belgium
Matti Barthel
Department of Environmental Systems Science, Swiss Federal Institute of Technology, ETH Zurich, Zurich, 8092, Switzerland
Travis W. Drake
Department of Environmental Systems Science, Swiss Federal Institute of Technology, ETH Zurich, Zurich, 8092, Switzerland
Landry C. Ntaboba
Départment d'Agronomie, Université Catholique de Bukavu, Bukavu, DR Congo
Basile M. Bazirake
Department of General Agricultural Sciences, University of Lubumbashi, Lubumbashi, DR Congo
Johan Six
Department of Environmental Systems Science, Swiss Federal Institute of Technology, ETH Zurich, Zurich, 8092, Switzerland
Pascal Boeckx
Department of Green Chemistry and Technology, Ghent University, Ghent, 9000, Belgium
Kristof Van Oost
Earth and Life Institute, UCLouvain, Louvain-la-Neuve, 1348, Belgium
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Cited
14 citations as recorded by crossref.
- Soil δ15N spatial distribution is primarily shaped by climatic patterns in the semiarid Caatinga, Northeast Brazil A. Brunello et al. 10.1016/j.scitotenv.2023.168405
- Warming and redistribution of nitrogen inputs drive an increase in terrestrial nitrous oxide emission factor E. Harris et al. 10.1038/s41467-022-32001-z
- Fluvial sediment export from pristine forested headwater catchments in the Congo Basin S. Baumgartner et al. 10.1016/j.geomorph.2021.108046
- Elemental (CNS) and isotopic (δ13C and δ15N) characterization of local sources to atmospheric dust at Trombay, Mumbai, using elemental analyzer–isotope ratio mass spectrometry V. Yadav et al. 10.4103/rpe.rpe_36_23
- Digital mapping of the global soil δ15N at 0.1° × 0.1° resolution using random forest regression with climate classification Q. Zan et al. 10.1016/j.ecolind.2023.110974
- Microclimate, soil nutrients and stable isotopes in relation to elevation in the Australian Wet Tropics A. Singh Ramesh et al. 10.1111/aec.13584
- Responses of soil respiration to nitrogen addition are mediated by topography in a subtropical karst forest P. Duan et al. 10.1016/j.catena.2022.106759
- Substantial Organic and Particulate Nitrogen and Phosphorus Export from Geomorphologically Stable African Tropical Forest Landscapes S. Baumgartner et al. 10.1007/s10021-022-00773-6
- Soil mycobiomes in native European aspen forests and hybrid aspen plantations have a similar fungal richness but different compositions, mainly driven by edaphic and floristic factors E. Rähn et al. 10.3389/fmicb.2024.1372938
- Stable isotope analysis in soil prospection reveals the type of historic land-use under contemporary temperate forests in Europe M. Janovský et al. 10.1038/s41598-024-63563-1
- Temperature, nutrient availability, and species traits interact to shape elevation responses of Australian tropical trees A. Singh Ramesh et al. 10.3389/ffgc.2023.1089167
- Isotopic Signatures of Nitrogen in Selected Soils from Croatia A. Perčin et al. 10.3390/su152316174
- Natural 15N abundance of ammonium and nitrate in soil profiles: New insights into forest ecosystem nitrogen saturation G. Gurmesa et al. 10.1002/ecs2.3998
- Stable isotope signatures of soil nitrogen on an environmental–geomorphic gradient within the Congo Basin S. Baumgartner et al. 10.5194/soil-7-83-2021
13 citations as recorded by crossref.
- Soil δ15N spatial distribution is primarily shaped by climatic patterns in the semiarid Caatinga, Northeast Brazil A. Brunello et al. 10.1016/j.scitotenv.2023.168405
- Warming and redistribution of nitrogen inputs drive an increase in terrestrial nitrous oxide emission factor E. Harris et al. 10.1038/s41467-022-32001-z
- Fluvial sediment export from pristine forested headwater catchments in the Congo Basin S. Baumgartner et al. 10.1016/j.geomorph.2021.108046
- Elemental (CNS) and isotopic (δ13C and δ15N) characterization of local sources to atmospheric dust at Trombay, Mumbai, using elemental analyzer–isotope ratio mass spectrometry V. Yadav et al. 10.4103/rpe.rpe_36_23
- Digital mapping of the global soil δ15N at 0.1° × 0.1° resolution using random forest regression with climate classification Q. Zan et al. 10.1016/j.ecolind.2023.110974
- Microclimate, soil nutrients and stable isotopes in relation to elevation in the Australian Wet Tropics A. Singh Ramesh et al. 10.1111/aec.13584
- Responses of soil respiration to nitrogen addition are mediated by topography in a subtropical karst forest P. Duan et al. 10.1016/j.catena.2022.106759
- Substantial Organic and Particulate Nitrogen and Phosphorus Export from Geomorphologically Stable African Tropical Forest Landscapes S. Baumgartner et al. 10.1007/s10021-022-00773-6
- Soil mycobiomes in native European aspen forests and hybrid aspen plantations have a similar fungal richness but different compositions, mainly driven by edaphic and floristic factors E. Rähn et al. 10.3389/fmicb.2024.1372938
- Stable isotope analysis in soil prospection reveals the type of historic land-use under contemporary temperate forests in Europe M. Janovský et al. 10.1038/s41598-024-63563-1
- Temperature, nutrient availability, and species traits interact to shape elevation responses of Australian tropical trees A. Singh Ramesh et al. 10.3389/ffgc.2023.1089167
- Isotopic Signatures of Nitrogen in Selected Soils from Croatia A. Perčin et al. 10.3390/su152316174
- Natural 15N abundance of ammonium and nitrate in soil profiles: New insights into forest ecosystem nitrogen saturation G. Gurmesa et al. 10.1002/ecs2.3998
Latest update: 30 Oct 2025
Short summary
We compared stable isotope signatures of soil profiles in different forest ecosystems within the Congo Basin to assess ecosystem-level differences in N cycling, and we examined the local effect of topography on the isotopic signature of soil N. Soil δ15N profiles indicated that the N cycling in in the montane forest is more closed, whereas the lowland forest and Miombo woodland experienced a more open N cycle. Topography only alters soil δ15N values in forests with high erosional forces.
We compared stable isotope signatures of soil profiles in different forest ecosystems within the...
