南亚热带常绿阔叶林树木多样性与生物量和生产力的关联及其影响因素

朱杰, 吴安驰, 邹顺, 熊鑫, 刘世忠, 褚国伟, 张倩媚, 刘菊秀, 唐旭利, 闫俊华, 张德强, 周国逸

Relationships between tree diversity and biomass/productivity and their influence factors in a lower subtropical evergreen broad-leaved forest

Jie Zhu, Anchi Wu, Shun Zou, Xin Xiong, Shizhong Liu, Guowei Chu, Qianmei Zhang, Juxiu Liu, Xuli Tang, Junhua Yan, Deqiang Zhang, Guoyi Zhou

表1 南亚热带常绿阔叶林样地基础变量信息统计表

Table 1 The statistical information of basic variables in the sampling plot in a lower subtropical evergreen broad-leaved forest

变量 Variables 范围 Range 平均值 Mean 标准偏差 SD 物种丰富度 Species richness (R) 6.00-21.50 12.86 3.69 Shannon-Wiener多样性指数 Shannon-Wiener diversity index (H') 1.23-2.68 2.07 0.31 Simpson多样性指数 Simpson diversity index (D) 0.62-0.91 0.82 0.06 Pielou均匀度指数 Pielou evenness index (E) 0.59-0.98 0.82 0.08 胸高断面积标准偏差 Basal area standard deviation (SDba) 14.83-4,696.75 333.41 678.16 胸高断面积变异系数 Basal area coefficient of variation (CVba) 86.49-2,069.74 486.98 371.29 胸高断面积基尼系数 Basal area Gini coefficient (GCba) 0.55-1.00 0.82 0.10 树高标准偏差 Height standard deviation (SDh) 1.49-8.40 4.14 1.77 树高变异系数 Height coefficient of variation (CVh) 28.73-147.37 79.32 30.73 树高基尼系数 Height Gini coefficient (GCh) 0.18-0.54 0.35 0.08 坡度(南北) Slop degree (Northsouth) (SNS) (°) 0.00-89.61 10.52 11.86 坡度(东西) Slop degree(Eastwest) (SEW) (°) 4.72-39.00 26.79 5.78 相对高差(南北) Relative dispersion (Northsouth) (RDNS) (m) 0.00-3.07 0.95 0.83 相对高差(东西) Relative dispersion (Eastwest) (RDEW) (m) 0.39-4.09 2.58 0.62 相对海拔 Relative altitude (RA) (m) 4.50-66.20 33.42 15.47 土壤含水量 Water content (WC) 0.20-0.30 0.24 0.02 pH值 pH value 3.74-4.05 3.85 0.06 有机碳 Organic carbon (C) (mg/g) 18.79-42.75 26.18 4.37 全氮 Total nitrogen (TN) (mg/g) 1.61-3.62 2.14 0.33 铵态氮 Ammonium nitrogen (NH4+) (mg/g) 0.00-0.01 0.01 0.00 速效磷 Available phosphorus (AP) (mg/g) 0.00-0.01 0.00 0.00 速效钾 Available potassium (AK) (mg/g) 0.08-0.23 0.12 0.03