浙江天童20 ha常绿阔叶林动态监测样地的群落特征

杨庆松, 马遵平, 谢玉彬, 张志国, 王樟华, 刘何铭, 李萍, 张娜, 王达力, 杨海波, 方晓峰, 阎恩荣, 王希华

Community structure and species composition of an evergreen broad- leaved forest in Tiantong’s 20 ha dynamic plot, Zhejiang Province, eastern China

Qingsong Yang, Zunping Ma, Yubin Xie, Zhiguo Zhang, Zhanghua Wang, Heming Liu, Ping Li, Na Zhang, Dali Wang, Haibo Yang, Xiaofeng Fang, Enrong Yan, Xihua Wang

表3 天童动态监测样地重要值≥1的优势物种组成

Table 3 Species composition with important value≥1 in the 20 ha Tiantong dynamic plot

种名 Species 个体数 No. of stems 平均胸径 Mean of DBH (cm) 胸高断面积 Basal area (m2) 萌枝 Sprouts 分枝 Ramifications 重要值 IV 细枝柃 Eurya loquaiana 20,414 2.64 16.46 2,552 5,324 12.05 黄丹木姜子 Litsea elongata 10,395 4.80 34.95 1,223 461 8.16 南酸枣 Choerospondias axiliaris 1,352 20.84 76.04 66 72 6.52 杨梅叶蚊母树 Distylium myricoides 6,298 6.31 40.11 1,979 1,118 6.39 长叶石栎 Lithocarpus henryi 2,688 12.16 53.91 2,190 848 5.54 云山青冈 Cyclobalanopsis nubium 2,484 12.38 55.11 464 340 5.52 毛花连蕊茶 Camellia fraterna 9,279 2.42 6.45 1,589 1,192 5.40 木荷 Schima superba 1,237 17.25 40.67 32 53 3.76 栲树 Castanopsis fargesii 750 22.73 42.81 147 124 3.66 红楠 Machilus thunbergii 2,807 5.76 18.81 418 255 2.92 浙江新木姜子 Neolitsea aurata var. chekiangensis 3,215 4.64 9.05 546 178 2.39 杨桐 Cleyera japonica 2,328 6.53 14.49 386 351 2.34 薄叶山矾 Symplocos anomala 3,307 3.08 4.60 1,789 803 2.10 马银花 Rhododendron ovatum 2,737 4.02 7.10 2,093 1,401 1.99 雷公鹅耳枥 Carpinus viminea 875 12.10 18.94 34 64 1.91 米槠 Castanopsis carlesii 531 16.55 18.93 175 176 1.73 华东楠 Machilus leptophylla 1,178 8.57 14.25 155 92 1.71 枫香 Liquidambar formosana 187 28.36 17.39 6 2 1.43 四川山矾 Symplocos setchuensis 1,669 4.83 5.02 334 558 1.27 毛脉槭 Acer pubinerve 469 13.81 12.92 13 24 1.23 檫木 Sassafras tzumu 267 22.29 14.31 3 5 1.23 细叶香桂 Cinnamomum subavenium 1,180 6.00 7.63 277 55 1.21 小叶青冈 Cyclobalanopsis gracilis 1,067 7.41 7.99 413 125 1.17 窄基红褐柃 Eurya rubiginosa var. attenuata 1,980 2.02 1.08 723 426 1.13 披针叶茴香 Illicium lanceolatum 1,430 4.36 4.51 159 374 1.10 黄牛奶树 Symplocos laurina 1,029 6.61 6.36 107 222 1.03 合计 Total 94,603 5.66 654.86 20,933 16,995 100.00