生物结皮演替对黄土高原水蚀风蚀交错区土壤氮素转化及微生物活性的促进效应
焦冰洁, 张丙昌, 赵康, 闫丽霞, 武志芳

Promoting effect of biological soil crusts succession on soil nitrogen transformation and microbial activity in water-wind erosion crisscross region of Loess Plateau
Bingjie Jiao, Bingchang Zhang, Kang Zhao, Lixia Yan, Zhifang Wu
表2 生物结皮层微生物数量与氮转化相关酶活性的相关性分析
Table 2 Correlation analysis of microbial biomass and nitrogen invertase activity in the biological soil crusts
固氮酶活性脲酶活性蛋白酶活性亚硝酸还原酶活性硝酸还原酶活性
细菌0.0300.326*0.412**0.425**0.512**
真菌0.1300.0880.085-0.274*-0.031
放线菌0.428**0.1240.2150.1780.132
微生物量碳(MBC)-0.1790.0890.444*-0.0210.110
微生物量氮(MBN)0.0550.2240.2750.0920.028