Articles | Volume 15, issue 5
https://doi.org/10.5194/bg-15-1627-2018
https://doi.org/10.5194/bg-15-1627-2018
Research article
 | 
16 Mar 2018
Research article |  | 16 Mar 2018

Comparing soil carbon loss through respiration and leaching under extreme precipitation events in arid and semiarid grasslands

Ting Liu, Liang Wang, Xiaojuan Feng, Jinbo Zhang, Tian Ma, Xin Wang, and Zongguang Liu

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Cited articles

Ahmad, W., Singh, B., Dijkstra, F. A., and Dalal, R. C.: Inorganic and organic carbon dynamics in a limed acid soil are mediated by plants, Soil Biol. Biochem., 57, 549–555, 2013.
Artiola, J. F. and Walworth, J. L.: Irrigation water quality effects on soil carbon fractionation and organic carbon dissolution and leaching in a semiarid calcareous soil, Soil Sci., 174, 356–371, 2009.
Aslam, S., Iqbal, A., Deschamps, M., Recous, S., Garnier, P., and Benoit, P.: Effect of rainfall regimes and mulch decomposition on the dissipation and leaching of S-metolachlor and glyphosate: a soil column experiment, Pest Manag. Sci., 71, 278–291, 2015.
Bai, Y., Wu, J., Xing, Q., Pan, Q., Huang, J., Yang, D., and Han, X.: Primary production and rain use efficiency across a precipitation gradient on the Mongolia plateau, Ecology, 89, 2140–2153, 2008.
Barré, P., Fernandez-Ugalde, O., Virto, I., Velde, B., and Chenu, C.: Impact of phyllosilicate mineralogy on organic carbon stabilization in soils: incomplete knowledge and exciting prospects, Geoderma, 235, 382–395, 2014.
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Short summary
Compared to the respiration process, few studies have examined soil carbon leaching possibly enhanced by extreme precipitation events (EPEs). We show that soil carbon leaching was much higher than CO2 loss through respiration under EPEs in grassland soils through incubation experiments. The soil carbon leaching process should be incorporated into soil carbon models when estimating carbon balance in grassland ecosystems, especially considering the projected increase in EPEs with climate change.
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