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3 不同林龄樟子松固沙林土壤线虫群落生态指数

Table 3 Ecological index of soil nematode community in different forest ages of Pinus sylvestris var.mongolica sand-fixing forest

生态指数 样地 S10 S29 S46 S60 SR 3.06±0.19b 3.67±0.16ab 4.11±0.60a 3.92±0.37a H' 2.45±0.10a 2.55±0.07a 2.58±0.19a 2.64±0.14a D 0.89±0.01a 0.89±0.01a 0.90±0.02a 0.91±0.01a J 0.88±0.03a 0.86±0.02ab 0.82±0.02b 0.85±0.02ab MI 2.23±0.04b 2.20±0.10b 2.22±0.09b 2.47±0.04a PPI 2.74±0.02a 2.77±0.08a 2.81±0.05a 2.81±0.17a WI 3.94±0.74a 2.77±0.86ab 3.07±0.35a 1.68±0.22b NCR 0.89±0.04b 0.94±0.01ab 0.96±0.03a 0.93±0.01ab