Articles | Volume 12, issue 5
https://doi.org/10.5194/bg-12-1357-2015
https://doi.org/10.5194/bg-12-1357-2015
Research article
 | 
04 Mar 2015
Research article |  | 04 Mar 2015

Soil redistribution and weathering controlling the fate of geochemical and physical carbon stabilization mechanisms in soils of an eroding landscape

S. Doetterl, J.-T. Cornelis, J. Six, S. Bodé, S. Opfergelt, P. Boeckx, and K. Van Oost

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Cited articles

Amelung, W., Miltner, A., Zhang, X., and Zech, W.: Fate of microbial residues during litter decomposition as affected by minerals, Soil Sci., 166, 598–606, 2001.
Amelung, W., Brodowski, S., Sandhage-Hofmann, A., and Bol, R.: Combining biomarker with stable isotope analyses for assessing the transformation and turnover of soil organic matter, Adv. Agron., 100, 155–250, 2008.
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Bodé, S.: Development of a Compund Specific Stable Isotope Method for Amino Sugars as Tracers of Microbial Dynamics in Terrestrial Ecosystems, PhD thesis, Ghent University, Belgium, 206 pp., 2013.
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Short summary
We link the mineralogy of soils affected by erosion and deposition to the distribution of soil carbon fractions, their turnover and microbial activity. We show that the weathering status of soils and their history are controlling the stabilization of carbon with minerals. After burial, aggregated C is preserved more efficiently while non-aggregated C can be released and younger C re-sequestered more easily. Weathering changes the effectiveness of stabilization mechanism limiting this C sink.
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