5种东北红豆杉植物群丛及其物种多样性的比较

刘丹,郭忠玲,崔晓阳,范春楠

Comparison of five associations of Taxus cuspidata and their species diversity

Dan Liu,Zhongling Guo,Xiaoyang Cui,Chunnan Fan

表1 东北红豆杉群落优势种群的重要值(重要值 > 2%)

Table 1 Importance value (IV) of dominant populations in Taxus cuspidata communities (IV > 2%)

层次 Layer 物种名 Species 拉丁名 Latin name 相对多度 Relative abundance 相对盖度 Relative coverage 相对频度 Relative frequency 重要值 Importance value 乔木层 Arbor 色木槭 Acer mono 1.37% 78.73% 2.15% 27.42% 臭冷杉 Abies nephrolepis 22.39% 4.35% 20.57% 15.77% 紫椴 Tilia amurensis 12.14% 4.27% 11.05% 9.15% 髭脉槭 Acer barbinerve 12.33% 0.51% 9.40% 7.41% 花楷槭 Acer ukurunduense 11.64% 0.54% 9.55% 7.24% 东北红豆杉 Taxus cuspidata 6.79% 1.80% 8.64% 5.74% 青楷槭 Acer tegmentosum 8.06% 0.66% 7.04% 5.25% 红松 Pinus koraiensis 4.08% 2.55% 5.60% 4.08% 硕桦 Betula costata 4.90% 1.50% 5.66% 4.02% 鱼鳞云杉 Picea jezoensis 3.41% 2.06% 4.95% 3.47% 杉松 Abies holophylla 2.88% 0.55% 3.71% 2.38% 灌木层 Shrub 软枣猕猴桃 Actinidia arguta 17.09% 30.29% 15.67% 21.02% 狗枣猕猴桃 Actinidia kolomikta 18.18% 18.60% 11.04% 15.94% 刺五加 Acanthopanax senticosus 9.02% 8.40% 11.48% 9.63% 长白忍冬 Lonicera ruprechtiana 11.60% 6.29% 9.05% 8.98% 东北溲疏 Deutzia parviflora 5.70% 9.01% 8.17% 7.63% 瘤枝卫矛 Euonymus verrucosus 4.61% 2.70% 7.51% 4.94% 五味子 Schisandra chinensis 6.38% 5.55% 2.43% 4.78% 长白茶藨 Ribes komarovii 5.36% 2.30% 6.18% 4.61% 栓翅卫矛 Euonymus phellomanus 6.21% 1.82% 4.86% 4.30% 卫矛 Euonymus alatus 3.26% 1.29% 5.74% 3.43% 东北山梅花 Philadelphus schrenkii 2.68% 4.36% 3.09% 3.38% 辽东楤木 Aralia elata 1.80% 2.99% 3.09% 2.62% 草本层 Herbage 盾叶唐松草 Thalictrum ichangense 11.46% 9.62% 17.82% 12.97% 东北羊角芹 Aegopodium alpestre 11.83% 8.34% 14.50% 11.56% 舞鹤草 Maianthemum bifolium 12.47% 11.24% 9.75% 11.15% 白花酢浆草 Oxalis acetosella 14.00% 9.83% 9.07% 10.97% 丝引薹草 Carex remotiuscula 9.95% 6.06% 5.40% 7.14% 稀羽鳞毛蕨 Dryopteris sparsa 4.83% 4.64% 9.25% 6.24% 华西龙头草 Meehania fargesii 2.85% 3.97% 2.50% 3.11% 东北蹄盖蕨 Athyrium brevifrons 0.88% 1.41% 4.16% 2.15% 毛缘薹草 Carex pilosa 2.24% 1.75% 2.16% 2.05%