树冠结构对典型阔叶红松林生产力的影响

哈努拉•塔斯肯, 蔡慧颖, 金光泽

Effects of canopy structure on productivity in a typical mixed broadleaved-Korean pine forest

Hanula TASIKEN, CAI Hui-Ying, JIN Guang-Ze

附录II 典型阔叶红松林与生产力建立多重回归模型中各变量的相对重要性结果

Supplement II Results of the relative importance of each variable in multiple regression model with productivity in typical mixed broadleaved-Korean pine forest

解释变量 Explanatory variable 变量重要性 Variable importance 含变量模型 Containing model 均匀度指数 Evenness index 0.65 5 Simpson多样性指数 Simpson diversity index 0.39 3 Shannon多样性指数 Shannon diversity index 0.28 2 物种丰富度指数 Species richness index 0.19 2 坡度 Slope 0.81 4 海拔 Elevation 0.56 3 坡向 Aspect (sin) 0.41 2 坡向 Aspect (cos) 0.16 1 土壤全磷含量 Soil total phosphorus content 1.00 8 土壤速效氮含量 Soil available nitrogen content 1.00 8 土壤速效磷含量 Soil available phosphorus content 1.00 8 体积含水率 Soil volumetric moisture content 0.91 7 土壤容重 Soil bulk density 0.49 4 土壤速效钾含量 Soil available potassium content 0.22 2 质量含水率 Soil mass moisture content 0.11 1 土壤全氮含量 Soil total nitrogen content 0.10 1