Articles | Volume 15, issue 4
Biogeosciences, 15, 987–995, 2018
https://doi.org/10.5194/bg-15-987-2018
Biogeosciences, 15, 987–995, 2018
https://doi.org/10.5194/bg-15-987-2018

Research article 20 Feb 2018

Research article | 20 Feb 2018

Stable isotopic constraints on global soil organic carbon turnover

Chao Wang et al.

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Cited articles

Accoe, F., Boeckx, P., Cleemput, O. V., Hofman, G., Zhang, Y., and Guanxiong, C.: Evolution of the δ13C signature related to total carbon contents and carbon decomposition rate constants in a soil profile under grassland, Rapid Commun. Mass Sp., 16, 2184–2189, 2002.
Acton, P., Fox, J., Campbell, E., Rowe, H., and Wilkinson, M.: Carbon isotopes for estimating soil decomposition and physical mixing in well-drained forest soils, J. Geophys. Res.-Biogeo., 118, 1532–1545, 2013.
Berg, B.: Litter decomposition and organic matter turnover in northern forest soils, Forest Ecol. Manag., 133, 13–22, 2000.
Bird, M. I., Chivas, A. R., and Head, J.: A latitudinal gradient in carbon turnover times in forest soils, Nature, 381, 143–146, 1996.
Bond-Lamberty, B., Wang, C., and Gower, S. T.: A global relationship between the heterotrophic and autotrophic components of soil respiration?, Glob. Change Biol., 10, 1756–1766, 2004.
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Short summary
Soil contains a large amount of organic carbon and plays a crucial role in regulating Earth's C cycle and climate system. In this study, we collected soil-carbon isotope data within a 1 m depth globally and provided an isotope-based approach for understanding soil carbon decomposition rate. Compared with other methods, utilization of C isotope composition ratios in the soil profile provides an independent approach that does not rely on disruption of plant-soil-microbe interactions.
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