放牧强度对草甸草原羊草功能性状的影响
侯路路,闫瑞瑞,张宇,辛晓平(
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Effects of Grazing Intensity on Functional Traits of Leymus chinensis in Meadow Steppe
HOU LuLu,YAN RuiRui,ZHANG Yu,XIN XiaoPing()
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图7. 羊草功能性状间的主成分分析（PCA）
PH:植株高度;PW:单株重;SW:茎重;LW:叶重;S/L:茎叶比;LA:叶面积;LM:单片叶重;SLA:比叶面积;LL:叶片长度;L.AW:叶片平均宽度;L.MW:叶片最大宽度;N:氮;C:碳;C/N:碳氮比
Fig. 7. Principal component analysis (PCA) between functional traits of Leymus chinensis
PH: Plant height; PW: Plant weight; SW: Stem weight; LW: Leaf weight; S/L: Stem to leaf ratio; LA: Leaf area; LM: Leaf mass; SLA: Specific leaf area; LL: Leaf length; L. AW: Leaf average width; L. MW: Leaf maximum width; N: Nitrogen; C: Carbon; C/N: Carbon to nitrogen ratio
