Articles | Volume 12, issue 2
https://doi.org/10.5194/bg-12-457-2015
https://doi.org/10.5194/bg-12-457-2015
Research article
 | 
27 Jan 2015
Research article |  | 27 Jan 2015

Divergence of above- and belowground C and N pool within predominant plant species along two precipitation gradients in North China

X. H. Ye, X. Pan, W. K. Cornwell, S. Q. Gao, M. Dong, and J. H. C. Cornelissen

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Xuehua Ye on behalf of the Authors (15 Dec 2014)  Author's response   Manuscript 
ED: Publish as is (26 Dec 2014) by Florian Wittmann
AR by Xuehua Ye on behalf of the Authors (27 Dec 2014)
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Short summary
The coupling of carbon cycle and nitrogen cycle drives food web structure and biogeochemistry of an ecosystem. However, across precipitation gradients, we have found examples of consistent N pool sizes above- and belowground and a shift to a greater proportion of belowground N in drier sites. We suggest that precipitation gradients do potentially decouple the C and N pool, but the exact nature of the decoupling depends on the dominant species’ capacity for intraspecific variation.
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