功能多样性对典型阔叶红松林生产力的影响

温纯,金光泽

Effects of functional diversity on productivity in a typical mixed broadleaved-Korean pine forest

WEN Chun,JIN Guang-Ze

表2 阔叶红松林9 hm2样地内基础环境变量信息统计表

Table 2 Summary of environment variables in a 9 hm2 mixed broadleaved-Korean pine forest plot

变量 Variables 范围 Range 平均值 Mean 标准偏差 SD 凹凸度 Convexity -1.91-2.36 0.01 0.40 海拔 Elevation (m) 425.45-505.52 463.25 18.20 坡度 Slope (°) 3.30-38.46 15.91 6.49 速效氮含量 Soil available nitrogen content (mg·kg-1) 605.77-1 482.85 1 103.60 161.34 速效磷含量 Soil available phosphorus content (mg·kg-1) 2.54-61.96 8.83 6.96 速效钾含量 Soil available potassium content (mg·kg-1) 190.46-516.66 332.61 59.05 全氮含量 Soil total nitrogen content (g·kg-1) 4.60-12.28 8.40 1.60 全磷含量 Soil total phosphorus content (g·kg-1) 0.40-1.19 0.82 0.15 pH值 Soil pH 5.34-6.29 5.77 0.16 有机碳含量 Soil organic carbon content (%) 31.29-216.77 75.75 31.25 土壤容重 Soil bulk density (mg·m-3) 0.41-0.87 0.62 0.10 体积含水率 Soil bulk moisture content (%) 13.72-48.40 30.35 5.91 质量含水率 Soil mass moisture content (%) 0.54-1.51 0.91 0.23