功能多样性对典型阔叶红松林生产力的影响
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温纯,金光泽
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Effects of functional diversity on productivity in a typical mixed broadleaved-Korean pine forest
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WEN Chun,JIN Guang-Ze
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表5 与生产力构建的线性模型中各变量相对重要性筛选结果
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Table 5 Relative importance of variables in linear model constructed with productivity
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指标 Indicator | 解释变量 Explanatory variable | CWMMH | CWMLCC | CWMSLA | CWMLNC | CWMLA | CWMWD | CWMLDMC | 变量重要性 Variable importance | 1.00 | 1.00 | 0.90 | 0.67 | 0.48 | 0.39 | 0.14 | 含变量模型数 Containing models | 10 | 10 | 9 | 6 | 5 | 4 | 2 | 指标 Indicator | 解释变量 Explanatory variable | FDMH | FDQ | FDcom | FDSLA | C | D | H° | FDLA | FDWD | FDLCC | FEve | FDLDMC | 变量重要性 Variable importance | 1.00 | 1.00 | 0.88 | 0.88 | 0.88 | 0.69 | 0.69 | 0.69 | 0.69 | 0.36 | 0.21 | 0.19 | 含变量模型数 Containing models | 8 | 8 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 3 | 2 | 2 | 指标 Indicator | 解释变量 Explanatory variable | 海拔 Elevation | 全磷含量 Total P content | 凹凸度 Convexity | 速效磷含量 Available P content | 有机碳含量 Organic C content | 速效氮含量 Available N content | 体积含水率 Bulk moisture | 坡度 Slope | pH | 变量重要性 Variable importance | 1.00 | 0.95 | 0.85 | 0.68 | 0.53 | 0.26 | 0.21 | 0.09 | 0.04 | 含变量模型数 Containing models | 17 | 16 | 14 | 11 | 9 | 4 | 4 | 2 | 1 |
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