干旱区荒漠绿洲过渡带建植梭梭（ Haloxylon ammodendron ）林后土壤线虫群落演变

安芳娇, 苏永中, 牛子儒, 刘婷娜

Evolution of soil nematode community after establishment of Haloxylon ammodendron plantations in an arid desert-oasis ecotone

Fangjiao An, Yongzhong Su, Ziru Niu, Tingna Liu

图4 环境因子解释的总变异比例（A）和总解释变异（B）

Fig.4 Proportions of total variation （A） and total explained variation （B） explained by individual environmental factors