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8 不同密度杉木林酸杆菌优势亚群(Gp)与土壤理化性质的相关性

Table 8 Pearson correlation coefficients between dominant Acidobacteria subgroups (Gp) and soil physicochemical properties of Chinese fir plantations with different densities

分类 Item pH 束缚水含量 Water content 碱解氮含量 Alkali-hydrolyzable N content 有效磷含量 Available P content 速效钾含量 Available K content 有机质含量 Organic matter content Gp1 0.257 -0.043 0.118 0.455 0.228 -0.075 Gp2 -0.336 -0.077 0.266 0.316 0.142 0.416 Gp3 -0.006 0.164 0.573 0.693 0.293 0.353 Gp6 -0.890** 0.178 -0.222 0.479 -0.642 -0.475