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4 毛竹扩张对次生常绿阔叶林乔木层物种多样性的影响(平均值±标准误)

Table 4 Effect of the expansion of Phyllostachys edulis on species diversity of tree layer in the secondary evergreen broad-leaved forest (mean ± SE)

群落 Community	物种丰富度 Species richness	Margalef指数 Margalef index	Simpson指数 Simpson index	Shannon-Wiener指数 Shannon-Wiener index	Pielou均匀度 Pielou eveness	生态优势度 Ecological dominance
PEF	3.00 ± 1.41^b	0.38 ± 0.26^b	1.03 ± 0.00^b	0.06 ± 0.03^c	0.08 ± 0.07^c	0.97 ± 0.00^a
PBMF	11.50 ± 4.95^ab	2.12 ± 0.98^ab	1.62 ± 0.21^b	0.93 ± 0.25^b	0.39 ± 0.03^b	0.63 ± 0.08^b
EBF	20.00 ± 4.24^a	4.70 ± 1.08^a	10.72 ± 0.74^a	2.56 ± 0.12^a	0.86 ± 0.02^a	0.11 ± 0.01^c