降水量对半干旱沙质草地土壤胞外酶活性的影响

景家琪, 刘新平, 何玉惠, 丰洁, 胡鸿姣, 徐远志, 张尧

Influence of precipitation on soil enzyme activity in sandy grasslands

Jiaqi Jing, Xinping Liu, Yuhui He, Jie Feng, Hongjiao Hu, Yuanzhi Xu, Yao Zhang

图6 降水对土壤酶活性的结构方程模型 注：PRE为降水量；SWC为土壤含水量；BGB为地上生物量；SEC为土壤电导率；PE为磷相关酶活性；VL为酶化学计量的矢量长度；VA为矢量夹角

Fig.6 Structural equation model of precipitation on soil enzyme activity