海南岛热带天然针叶林主要树种的空间格局及关联性

张俊艳, 成克武, 臧润国

The spatial distribution patterns and associations of the principal trees and shrubs in a natural tropical coniferous forest on Hainan Island, China

Junyan Zhang,Kewu Cheng,Runguo Zang

表1 海南岛热带天然南亚松纯林和混交林样地中优势树种

Table 1 Principal tree species in a pure Pinus latteri forest plot (COG1) and a mixed P. latteri forest plot (COG2)

物种 Species 个体数 Abundance 胸高断面积 Basal area (m2/ha) 胸径(平均值/最大值) DBH Mean/Max. (cm) 高度(平均值/最大值) Height (Mean/max.) (m) 重要值 Importance value COG1 南亚松 Pinus latteri 365 20.01 24.14/84 15/25 91.58 银柴 Aporusa dioica 806 2.40 4.80/27 4.4/15 33.69 野漆 Toxicodendron succedaneum 421 0.58 3.08/17 4.0/15 14.95 黄樟 Cinnamomum porrectum 289 0.76 4.48/22 4.4/15 11.74 毛菍 Melastoma sanguineum 418 0.12 1.83/8 2.8/6 11.41 子楝树 Decaspermum gracilentum 300 0.16 2.34/7.8 3.6/7 9.29 海南杨桐 Adinandra hainanensis 221 0.38 3.5/14.3 4.0/14 8.03 细基丸 Polyalthia cerasoides 173 0.56 4.7/24.9 4.7/16 7.57 越南山矾 Symplocos cochinchinensis 193 0.47 4.4/16 3.9/11 7.40 山柑算盘子 Glochidion sphaerogynum 200 0.28 3.3/14 4.2/13 7.16 COG2 海南杨桐 Adinandra hainanensis 564 4.65 8.75/28 7.0/15 32.30 南亚松 Pinus latteri 88 9.97 33.67/90 17.0/25 31.22 胡颓子叶柯 Lithocarpus elaeagnifolius 722 2.82 5.47/47 6.0/18 30.63 九节 Psychotria rubra 1080 0.37 1.85/10 3.0/7 25.68 木荷 Schima superba 293 4.88 10.82/63 8.9/18 24.40 黄杞 Engelhardia roxburghiana 388 3.55 6.96/44 6.0/20 21.66 台湾椎 Castanopsis formosana 173 1.94 7.45/50 6.9/20 11.00 密脉蒲桃 Syzygium chunianum 379 0.34 2.55/30 3.6/15 10.52 毛柿 Diospyros strigosa 308 0.34 3/15 4.6/13 9.65 银柴 Aporusa dioica 227 0.73 5.4/17 5.4/14 8.79