草甸草原羊草茎叶功能性状对长期过度放牧的可塑性响应

李西良,侯向阳,吴新宏,萨茹拉,纪磊,陈海军,刘志英,丁勇

Plastic responses of stem and leaf functional traits in Leymus chinensis to long-term grazing in a meadow steppe

LI Xi-Liang,HOU Xiang-Yang,WU Xin-Hong,null null,JI Lei,CHEN Hai-Jun,LIU Zhi-Ying,DING Yong

图2 围封与放牧对羊草叶片表型性状的影响(平均值±标准误差)。LA, 单叶面积; LL, 平均叶长; LLW, 叶平均长宽比; LMA, 比叶质量; LN, 叶片数; LW, 平均叶宽; LWE, 单叶质量; TLA, 总叶面积; TLW, 总叶质量。样地同图1。不同小写字母表示差异显著(p < 0.05)。

Fig. 2 Effects of enclosure and grazing to leaf phenotypic trait of Leymus chinensis (mean ± SE). LA, leaf area; LL, leaf length; LLW, leaf length/width ratio; LMA, leaf mass per area; LN, leaf number; LW, mean leaf width; LWE, leaf mass; TLA, total leaf area; TLW, total leaf mass. Plots see Fig. 1. Different small letters indicate significant differences (p < 0.05).