Past aridity's effect on carbon mineralization potentials in grassland soils

Cao, Zhenjiao; Jia, Yufu; Cai, Yue; Wang, Xin; Hu, Huifeng; Zhang, Jinbo; Jia, Juan; Feng, Xiaojuan

doi:https://doi.org/10.5194/bg-16-3605-2019

Articles | Volume 16, issue 18

https://doi.org/10.5194/bg-16-3605-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-16-3605-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 18

Research article

|

24 Sep 2019

Research article |

| 24 Sep 2019

Past aridity's effect on carbon mineralization potentials in grassland soils

Zhenjiao Cao, Yufu Jia, Yue Cai, Xin Wang, Huifeng Hu, Jinbo Zhang, Juan Jia, and Xiaojuan Feng

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Final revised paper (published on 24 Sep 2019)
Supplement to the final revised paper
Preprint (discussion started on 10 May 2019)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

- Printer-friendly version

- Supplement

RC1: 'comments', Tida Ge, 29 May 2019
- AC2: 'Response to Referee #1', Xiaojuan Feng, 07 Aug 2019
RC2: 'review comments on bg-2019-167', Anonymous Referee #2, 16 Jul 2019
- AC1: 'Response to Referee #2', Xiaojuan Feng, 07 Aug 2019
  - AC3: 'Revised version of MS', Xiaojuan Feng, 07 Aug 2019
    - AC4: 'Revised version of SI', Xiaojuan Feng, 07 Aug 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (review by editor) (23 Aug 2019) by Jianming Xu

AR by Xiaojuan Feng on behalf of the Authors (26 Aug 2019) Author's response Manuscript

ED: Publish as is (01 Sep 2019) by Jianming Xu

AR by Xiaojuan Feng on behalf of the Authors (02 Sep 2019) Manuscript

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Short summary

Using pathway analysis, we demonstrate that past aridity's effect is mediated by differential mechanisms for substrates of varied complexity. While microbial biomass plays a more important role in the decomposition of fresh litter, enzyme-catalyzed extracellular reactions predominantly govern the mineralization of SOC. Our findings have significant implications for assessing and modeling decomposition in different aridity regimes.