The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.
Soil carbon storage controlled by interactions between geochemistry and climate
Open accessAbstract
Rising temperature can increase soil organic matter decomposition and CO2 emissions. In a 4,000 km north–south transect in Chile and Antarctica, soil geochemistry, which can be modified by climate, is the dominant direct control of carbon storage. Soils are an important site of carbon storage1. Climate is generally regarded as one of the primary controls over soil organic carbon1,2, but there is still uncertainty about the direction and magnitude of carbon responses to climate change. Here we show that geochemistry, too, is an important controlling factor for soil carbon storage. We measured a range of soil and climate variables at 24 sites along a 4,000-km-long north–south transect of natural grassland and shrubland in Chile and the Antarctic Peninsula, which spans a broad range of climatic and geochemical conditions. We find that soils with high carbon content are characterized by substantial adsorption of carbon compounds onto mineral soil and low rates of respiration per unit of soil carbon; and vice versa for soils with low carbon content. Precipitation and temperature were only secondary predictors for carbon storage, respiration, residence time and stabilization mechanisms. Correlations between climatic variables and carbon variables decreased significantly after removing relationships with geochemical predictors. We conclude that the interactions of climatic and geochemical factors control soil organic carbon storage and turnover, and must be considered for robust prediction of current and future soil carbon storage.
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Cited by
Minasny, B., Malone, B. P., McBratney, A. B., Angers, D. A., Arrouays, D., Chambers, A., Chaplot, V., Chen, Z.-S., Cheng, K., Das, B. S., et al. (2017) · Geoderma · doi:10.1016/j.geoderma.2017.01.002 · Cited by 2,239
“A gradient of C stock along a north–south transect of grassland was observed, where soil C stock is a function of the interaction between climatic and geochemical factors (Doetterl et al., 2015).”
BackgroundThe Ecology of Soil Carbon: Pools, Vulnerabilities, and Biotic and Abiotic Controls
Jackson, R. B., Lajtha, K., Crow, S. E., Hugelius, G., Kramer, M. G., & Piñeiro, G. (2017) · Annual Review of Ecology, Evolution, and Systematics · doi:10.1146/annurev-ecolsys-112414-054234 · Cited by 1,249
Calcium-mediated stabilisation of soil organic carbon
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Global stocks and capacity of mineral-associated soil organic carbon
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Microbial carbon use efficiency promotes global soil carbon storage
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Metadata
- Authors
- Doetterl, S., Stevens, A., Six, J., Merckx, R., Van Oost, K., Casanova Pinto, M., Casanova-Katny, A., Muñoz, C., Boudin, M., Zagal Venegas, E., & Boeckx, P.
- Venue
- Nature Geoscience
- Published
- 2015-08-31
- Volume
- 8
- Issue
- 10
- Pages
- 780-783
- ISSN
- 1752-0894 (ISSN-L)
- 1752-0908
- OpenAlex
- W2161436803
- Cited by
- 865
- References
- 56
- FWCI
- 44.39
- Type
- journal article
- Language
- en
- Open access
- green
- Licence
- www.springer.com/tdm (tdm)
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