Articles | Volume 14, issue 9
Biogeosciences, 14, 2359–2370, 2017
Biogeosciences, 14, 2359–2370, 2017

Research article 10 May 2017

Research article | 10 May 2017

Nitrogen input 15N signatures are reflected in plant 15N natural abundances in subtropical forests in China

Geshere Abdisa Gurmesa et al.

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Cited articles

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, 10–31, 2003.
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Short summary
We measured the abundance of a nitrogen (N) isotope (15N) in two subtropical forests in China to study the cycling of input N (deposition and addition). Plant leaves in both forests were 15N-depleted relative to the atmospheric standard, likely as an imprint from 15N-depleted deposition. Plant 15N changed into 15N of the added N, indicating incorporation of N into plants. Thus, interpretations of ecosystem 15N from high-N-deposition regions need to include data on the 15N deposition signature.
Final-revised paper