Articles | Volume 7, issue 2
Short communication
28 Oct 2021
Short communication |  | 28 Oct 2021

Soil δ15N is a better indicator of ecosystem nitrogen cycling than plant δ15N: A global meta-analysis

Kaihua Liao, Xiaoming Lai, and Qing Zhu

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Cited articles

Aerts, R., Callaghan, T. V., Dorrepaal, E., van Logtestijn, R. S. P., and Cornelissen, J. H. C.: Blackwell Publishing Ltd Seasonal climate manipulations result in species-specific changes in leaf nutrient levels and isotopic composition in a sub-arctic bog. Funct. Ecol., 23, 680–688,, 2009. 
Amundson, R., Austin, A. T., Schuur, E. A. G., Yoo, K., Matzek, V., Kendall, C., Uebersax, A., Brenner, D., and Baisden, W. T.: Global patterns of the isotopic composition of soil and plant nitrogen, Global Biogeochem. Cy., 17, 1031,, 2003. 
Anadon-Rosell, A., Ninot, J. M., Palacio, S., Grau, O., Nogués, S., Navarro, E., Carmen Sancho, M., and Carrillo, E.: Four years of experimental warming do not modify the interaction between subalpine shrub species, Oecologia, 183, 1167–1181,, 2017. 
Aranibar, J. N., Otter, L., Macko, S. A., Feral, C. J. W., Epstein, H. E., Dowty, P. R., Eckardt, F., Shugart, H. H., and Swap, R. J.: Nitrogen cycling in the soil-plant system along a precipitation gradient in the Kalahari sands. Global Change Biol., 10, 359–373,, 2004. 
Averill, C. and Waring, B.: Nitrogen limitation of decomposition and decay: How can it occur?, Global Change Biol., 4, 1417–1427,, 2018. 
Short summary
Since the 20th century, human beings have released a large amount of reactive nitrogen by excessive application of nitrogen fertilizer, which resulted in enhanced greenhouse effect. It is not clear how the ecosystem nitrogen cycle evolves during global warming. In this study, we collected global data and used meta-analysis to reveal the response of nitrogen cycle to climate warming. The results show that the future climate warming can accelerate the process of ecosystem nitrogen cycle.