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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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.
Final-revised paper