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

表2 典型阔叶红松林样地地形和土壤物理化学性质状况统计表

Table 2 Summary of topographic factors and soil physical and chemical properties in a typical mixed broadleaved-Korean pine forest plot

环境因子 Environmental factor 平均值 Mean 标准差 SD 变异系数 CV 范围 Range 海拔 Elevation (m) 463.22 18.07 0.04 427.93-499.07 坡度 Slope (°) 15.30 4.67 0.31 8.10-33.40 坡向 Aspect (sin) 0.02 0.72 36.00 -0.997-0.994 坡向 Aspect (cos) -0.07 0.70 -10.00 -0.999-0.999 凹凸度 Convex 0.06 1.05 17.50 -1.55-4.45 土壤速效磷含量 Soil available phosphorus content (mg·kg-1) 8.83 6.04 0.68 3.53-43.11 土壤速效钾含量 Soil available potassium content (mg·kg-1) 332.61 52.69 0.16 200.87-485.34 土壤速效氮含量 Soil available nitrogen content (mg·kg-1) 1 103.60 147.95 0.13 666.56-1 450.17 土壤有机碳含量 Soil organic carbon content (g·kg-1) 75.75 29.71 0.39 37.63-186.29 土壤全氮含量 Soil total nitrogen content (g·kg-1) 8.40 1.46 0.17 5.22-11.70 土壤全磷含量 Soil total phosphorus content (g·kg-1) 0.82 0.13 0.16 0.44-1.13 土壤pH Soil pH 5.77 0.15 0.03 5.47-6.19 土壤容重 Soil bulk density (g·cm-3) 0.62 0.09 0.15 0.43-0.85 体积含水率 Soil volumetric moisture content (%) 30.35 5.37 0.18 15.44-44.06 质量含水率 Soil mass moisture content (g·g-1) 0.92 0.22 0.24 0.55-1.40