辽西沙地樟子松（ Pinus sylvestris var. mongolica ）固沙林土壤线虫群落特征

杨禹轩, 王雪峰, 杨婷婷, 张日升, 王凯, 邰姗姗

Characteristics of soil nematode community in Pinus sylvestris var.mongolica sand-fixing forest in western Liaoning

Yuxuan Yang, Xuefeng Wang, Tingting Yang, Risheng Zhang, Kai Wang, Shanshan Tai

表4 樟子松固沙林土壤线虫群落指标和功能类群与土壤理化性质的相关性

Table 4 Correlation between soil nematode community indexes and functional groups and soil physical and chemical properties in Pinus sylvestris var.mongolica sand-fixing forest

线虫群落特征 土壤性质 pH SM SOC TN Olsen-P NH4+-N NO3--N 数量 -0.784 0.055 0.986* 0.882 0.844 0.384 -0.400 BF比例 -0.546 -0.221 0.963* 0.866 0.990* 0.648 -0.216 FF比例 -0.972* 0.741 0.659 0.847 0.384 0.409 0.168 PP比例 -0.936 0.383 0.921 0.962* 0.719 0.487 -0.110 OP比例 -0.075 -0.138 0.369 0.549 0.605 0.979* 0.653 SR -0.862 0.308 0.922 0.999** 0.796 0.668 0.047 H' -0.996** 0.648 0.756 0.875 0.472 0.355 -0.006 D -0.891 0.466 0.698 0.632 0.354 -0.104 -0.504 J 0.641 0.077 -0.971* -0.933 -0.966* -0.704 0.109 MI -0.719 0.661 0.266 0.247 -0.142 -0.471 -0.449 PPI -0.880 0.259 0.963* 0.974* 0.806 0.541 -0.138 WI 0.944 -0.872 -0.478 -0.673 -0.136 -0.171 -0.123 NCR -0.746 0.229 0.870 0.984* 0.825 0.820 0.216