Disruption of metal ion homeostasis in soils is associated with nitrogen deposition-induced species loss in an Inner Mongolia  steppe

Tian, Q.-Y.; Liu, N.-N.; Bai, W.-M.; Li, L.-H.; Zhang, W.-H.

doi:https://doi.org/10.5194/bg-12-3499-2015

Articles | Volume 12, issue 11

https://doi.org/10.5194/bg-12-3499-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-12-3499-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 11

Research article

|

09 Jun 2015

Research article |

| 09 Jun 2015

Disruption of metal ion homeostasis in soils is associated with nitrogen deposition-induced species loss in an Inner Mongolia steppe

Q.-Y. Tian, N.-N. Liu, W.-M. Bai, L.-H. Li, and W.-H. Zhang

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Final revised paper (published on 09 Jun 2015)
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C245: 'Review Tian et al.', Anonymous Referee #1, 18 Feb 2015
- AC C1394: 'Disruption of metal ion homeostasis in soils is associated with nitrogen deposition-induced species loss in an Inner Mongolia steppe', Wen-Hao Zhang, 18 Apr 2015
RC C1032: 'Reviewer comments', Anonymous Referee #2, 06 Apr 2015

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

AR by Wen-Hao Zhang on behalf of the Authors (18 Apr 2015) Author's response

ED: Publish subject to technical corrections (10 May 2015) by Zhongjun Jia

AR by Wen-Hao Zhang on behalf of the Authors (11 May 2015) Author's response Manuscript

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Short summary

We demonstrate that N addition reduced species richness, acidified soil and disturbed nutrient homeostasis in soil in an Inner Mongolia steppe. We further reveal that an increase in inorganic-N concentration, depletion of base cations (Ca2+ and Mg2+) and mobilization of Mn2+ and Cu2+ in soils were involved in reduction in species richness in the temperate steppe of northern China, highlighting the involvement of nutrient mobilization in decline in species richness of alkaline grasslands.