毛竹扩张对次生常绿阔叶林物种组成、结构与多样性的影响

欧阳明, 杨清培, 陈昕, 杨光耀, 施建敏, 方向民

Effects of the expansion of Phyllostachys edulis on species composition, structure and diversity of the secondary evergreen broad-leaved forests

Ming Ouyang,Qingpei Yang,Xin Chen,Guangyao Yang,Jianmin Shi,Xiangmin Fang

表1 毛竹扩张对次生常绿阔叶林群落立木数的影响(株/ha)

Table 1 Effect of the expansion of Phyllostachys edulis on stem number in the secondary evergreen broad-leaved forest (ind./ha)

扩张阶段 Expansion phase 群落类型 Community type 毛竹立竹度 Density of bamboo stand 其他树种立木数 Stem number of other trees 总立木数 Total stem number 前期 Early stage 常绿阔叶林 EBF 0 1,867 1,867 中期 Middle stage 竹阔混交林 PBMF 3,667 1,017 4,684 后期 Later stage 毛竹林 PEF 6,233 100 6,333 扩张前后的变化 Δ 6,233 -1,767 4,466