放牧强度对草甸草原羊草功能性状的影响
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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
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HOU LuLu,YAN RuiRui,ZHANG Yu,XIN XiaoPing
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表1 羊草功能性状间的相关性
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Table 1 Correlation between functional traits of Leymus chinensis
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| 比叶面积 Specific leaf area | 氮 Nitrogen
| 碳 Carbon
| 碳氮比 Carbon to nitrogen ratio | 叶面积 Leaf area | 单片叶重 Leaf mass
| 叶长 Leaf length
| 叶平均宽度 Leaf average width | 叶最大宽度 Leaf maximum width | 株高 Plant height | 茎重 Stem weight | 叶重 Leaf weight | 茎叶比 Stem to leaf ratio | 单株重 Plant weight | 比叶面积 Specific leaf area | 1.000 | 0.922** | -0.768** | -0.932** | -0.723** | -0.828** | -0.720** | -0.773** | -0.730** | -0.749** | -0.769** | -0.792** | -0.630* | -0.788** | 氮 Nitrogen | | 1.000 | -0.777** | -0.987** | -0.802** | -0.855** | -0.791** | -0.792** | -0.762** | -0.778** | -0.828** | -0.838** | -0.748** | -0.840** | 碳 Carbon | | | 1.000 | 0.800** | 0.559 | 0.641* | 0.627* | 0.53 | 0.55 | 0.56 | 0.543 | 0.525 | 0.581* | 0.537 | 碳氮比 Carbon to nitrogen ratio | | | | 1.000 | 0.857** | 0.913** | 0.841** | 0.839** | 0.806** | 0.820** | 0.865** | 0.881** | 0.734** | 0.880** | 叶面积 Leaf area | | | | 1.000 | 0.980** | 0.947** | 0.940** | 0.907** | 0.827** | 0.904** | 0.951** | 0.603* | 0.937** | 单片叶重 Leaf mass | | | | | 1.000 | 0.934** | 0.944** | 0.900** | 0.861** | 0.923** | 0.968** | 0.629* | 0.955** | 叶长 Leaf length | | | | | | 1.000 | 0.890** | 0.890** | 0.824** | 0.904** | 0.899** | 0.722** | 0.908** | 叶平均宽度 Leaf average width | | | | | | | 1.000 | 0.983** | 0.810** | 0.847** | 0.897** | 0.581* | 0.882** | 叶最大宽度 Leaf maximum width | | | | | | | | 1.000 | 0.784** | 0.794** | 0.826** | 0.588* | 0.818** | 株高 Plant height | | | | | | | | | 1.000 | 0.946** | 0.885** | 0.839** | 0.919** | 茎重 Stem weight | | | | | | | | | | 1.000 | 0.970** | 0.829** | 0.991** | 叶重 Leaf weight | | | | | | | | | | | 1.000 | 0.692* | 0.994** | 茎叶比 Stem to leaf ratio | | | | | | | | | | | | 1.000 | 0.759** | 单株重 Plant weight | | | | | | | | | | | | | 1.000 |
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