Preprints
https://doi.org/10.5194/bg-2018-112
https://doi.org/10.5194/bg-2018-112
16 Mar 2018
 | 16 Mar 2018
Status: this discussion paper is a preprint. It has been under review for the journal Biogeosciences (BG). The manuscript was not accepted for further review after discussion.

Global patterns of leaf nutrient resorption in herbaceous plants

Zhiqiang Wang, Zhexuan Fan, Qi Zhao, Jinzhi Ran, and Karl J. Niklas

Abstract. Nutrient resorption plays an important role in plant ecology because it plays a key role in nutrient conservation strategies of plants. However, our current knowledge about the patterns of nutrient resorption among herbaceous species at a global scale is still inadequate. Here, we present a meta-analysis using a global dataset of nitrogen (N) and phosphorus (P) resorption efficiency spanning 521 observations and 248 herbaceous species. This analysis shows that the N resorption efficiency (NRE) and P resorption efficiency (PRE) across all herbaceous plant groups are 54.7 % and 64.5 %, respectively. Across all species, NRE, PRE and N : P resorption ratios (NRE : PRE) vary statistically significantly at a global scale, i.e., NRE, PRE and NRE : PRE increase with increasing latitude but decrease with increasing mean annual temperature (MAT) and mean annual precipitation (MAP). For different functional groups, similar patterns of NRE, PRE and NRE : PRE with respect to latitude, MAT and MAP are observed. Our study are very important complementary to global-scale studies of nutrient resorption and also can inform attempts to model biogeochemical cycling at a global scale.

Zhiqiang Wang, Zhexuan Fan, Qi Zhao, Jinzhi Ran, and Karl J. Niklas
 
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
 
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Zhiqiang Wang, Zhexuan Fan, Qi Zhao, Jinzhi Ran, and Karl J. Niklas
Zhiqiang Wang, Zhexuan Fan, Qi Zhao, Jinzhi Ran, and Karl J. Niklas

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