不同密度杉木林对林下植被和土壤微生物群落结构的影响

丁凯, 张毓婷, 张俊红, 柴雄, 周世水, 童再康

Effects of Chinese fir plantations with different densities on understory vegetation and soil microbial community structure

DING Kai, ZHANG Yu-Ting, ZHANG Jun-Hong, CHAI Xiong, ZHOU Shi-Shui, TONG Zai-Kang

表6 不同密度杉木林土壤细菌群落多样性(平均值±标准差)

Table 6 Diversity of soil bacterial communities in different densities of Chinese fir forests (mean ± SD)

类型 Type	物种数 Observed species	Shannon指数 Shannon index	Chao1指数 Chao1 index	覆盖率 Coverage (%)
KH	4 939.80 ± 173.89 ^a	10.21 ± 0.04 ^a	6 223.62 ± 445.90 ^a	0.973 2 ± 0.004 ^a
KM	5 171.25 ± 320.72 ^a	10.27 ± 0.25 ^a	6 468.85 ± 109.98 ^a	0.965 3 ± 0.005 ^a
KL	5 277.67 ± 263.71 ^a	10.30 ± 0.14 ^a	6 619.39 ± 214.13 ^a	0.975 3 ± 0.006 ^a