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. 2017 Apr 24;8:419. doi: 10.3389/fpls.2017.00419

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Copyright © 2017 Ren, Hu, Hou, Zhang, Guo, Liu, Kong, Wu, Wang and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Comparisons between response in Leymus chinensis (A) morphological traits and (B) leaf photosynthetic traits to overgrazing in field and greenhouse experiments. The relationships for morphological traits (R² = 0.47, P = 0.20) and leaf photosynthetic traits (R² = 0.98, P < 0.001) between the responds ratios of field and greenhouse experiments were fitted by linear regression. PH, Plant height; LL, Leaf length; LW, Leaf width; SL, Stem length; SD, stem diameter; P_N, Net photosynthetic rate; gs, Stomatal conductance; Ci, Intercellular carbon dioxide concentration; E, Transpiration rate; and WUE, water use efficiency. Data were log-transformed (base e) before analysis to improve normality.