泰山4种优势造林树种细根分解对细菌群落结构的影响

路颖,李坤,倪瑞强,梁强,李传荣,张彩虹

Effects of fine root decomposition on bacterial community structure of four dominated tree species in Mount Taishan, China

LU Ying,LI Kun,NI Rui-Qiang,LIANG Qiang,LI Chuan-Rong,ZHANG Cai-Hong

表2 细根分解一年后泰山细菌多样性统计分析(平均值±标准误差, n = 3)

Table 2 Statistical analysis of bacterial diversity in Mount Taishan after one year of fine root decomposition (mean ± SE, n = 3)

树种 Species	物种数 NO. of observed species	覆盖率Coverage (%)	Chao1指数 Chao1 index	Ace指数 Ace index	系统发育多样性Phylogenetic diversity	Shannon-Wiener指数Shannon-Wiener index
RP	2 149 ± 71^a	98.6 ± 0.1^b	3 088.0 ± 140.4^ab	3 062.2 ± 143.5^ab	159.2 ± 4.2^a	8.38 ± 0.59^a
QA	1 970 ± 120^a	97.7 ± 0.2^a	2 824.2 ± 88.5^a	2 843.8 ± 62.0^a	147.8 ± 7.6^a	8.14 ± 0.16^a
PD	2 759 ± 25^b	98.3 ± 0.2^ab	3 544.7 ± 50.3^c	3 530.6 ± 34.3^c	198.6 ± 5.1^b	8.81 ± 0.35^b
PT	2 568 ± 39^b	97.6 ± 0.2^a	3 395.0 ± 2.2^bc	3 341.9 ± 68.4^bc	193.1 ± 3.2^b	8.88 ± 0.18^b