Shrub type dominates the vertical distribution of leaf C : N : P stoichiometry across an extensive altitudinal gradient
Wenqiang Zhao,Peter B. Reich,Qiannan Yu,Ning Zhao,Chunying Yin,Chunzhang Zhao,Dandan Li,Jun Hu,Ting Li,Huajun Yin,and Qing Liu
Wenqiang Zhao
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
Department of Forest Resources and Institute on the Environment,
University of Minnesota, Minnesota 55108, USA
Qiannan Yu
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
Southwest Jiaotong University & Faculty of Geosciences and
Environmental Engineering, Chengdu 611756, China
Ning Zhao
Cold and Arid Regions Environmental and Engineering Research
Institute, Chinese Academy of Sciences, Lanzhou 730000, China
Chunying Yin
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
Chunzhang Zhao
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
Dandan Li
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
Jun Hu
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
Ting Li
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource
Utilization & Ecological Restoration Biodiversity Conservation Key
Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese
Academy of Sciences, Chengdu 610041, China
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We found larger shrub leaf C, C : N and lower leaf N, N : P levels compared to other terrestrial ecosystems. Alpine shrubs exhibited the greatest leaf C at low temperatures, whereas the largest leaf N and P occurred in valley deciduous shrubs. The large heterogeneity in nutrient uptake and physiological adaptation of shrub types to environments explained the largest fraction of leaf C : N : P variations, while climate indirectly affected leaf C : N : P via its interactive effects on shrub type or soil.
We found larger shrub leaf C, C : N and lower leaf N, N : P levels compared to other terrestrial...
