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7 不同密度杉木林下土壤理化性质对细菌群落结构的影响

Table 7 Effects of soil physical and chemical properties on bacterial community structure of Chinese fir plantations with different densities

理化指标 Physical and chemical indicator Mds1 Mds2 R2 p pH -0.580 22 -0.814 46 0.159 7 0.747 束缚水含量 CW -0.572 27 -0.820 07 0.131 1 0.768 碱解氮含量 AN 0.098 13 -0.995 17 0.803 1 0.049* 有效磷含量 AP 0.128 86 -0.991 66 0.565 5 0.140 速效钾含量 AK -0.121 23 -0.992 62 0.724 7 0.049* 有机质含量 OM -0.564 26 -0.825 60 0.472 8 0.267