鼎湖山南亚热带常绿阔叶林群落垂直结构及其物种多样性特征

桂旭君,练琚愉,张入匀,李艳朋,沈浩,倪云龙,叶万辉

Vertical structure and its biodiversity in a subtropical evergreen broad- leaved forest at Dinghushan in Guangdong Province, China

Gui Xujun,Lian Juyu,Zhang Ruyun,Li Yanpeng,Shen Hao,Ni Yunlong,Ye Wanhui

表1 鼎湖山塔吊样地垂直各层概况

Table 1 Species abundance and richness of each vertical layer in the crane plot of Dinghushan

最低树高 Minimum height (m) 最高树高 Maximum height (m) 多度 Abundance 物种丰富度 Species richness 优势种例举(多度, 最大胸径) Dominant species (abundance, maximum DBH) 灌木层 Shrub 1.4 3.9 1,966 89 银柴 Aporosa dioica (207, 7.3) 黄果厚壳桂 Cryptocarya concinna (251, 4.5) 亚冠层 Sub-canopy 4.0 6.7 1,173 75 鸭脚木 Schefflera octophylla (161, 16.0) 银柴 Aporosa dioica (122, 10.1) 林冠下层 Lower canopy 6.8 11.2 503 56 荷木 Schima superba (54, 39.4) 鸭脚木 Schefflera octophylla (51, 18.8) 林冠中层 Middle canopy 11.3 17.2 271 27 荷木 Schima superba (101, 41.9) 锥栗 Castanopsis chinensis (31, 41.0) 林冠上层 Upper canopy 17.4 27.1 226 17 荷木 Schima superba (111, 66.0) 马尾松 Pinus massoniana (34, 47.1) 总体 Total - - 4,140 121 荷木 Schima superba (301,49.0) 马尾松 Pinus massoniana (66, 47.1)