毛乌素沙地火电厂周边不同类型生物结皮酶活性及其影响因素

王融融, 樊瑾, 丛士翔, 余海龙, 黄菊莹

Enzyme activity characteristics and their influencing factors of different biocrusts around thermal plant in Mu Us Sandy Land

Rongrong Wang, Jin Fan, Shixiang Cong, Hailong Yu, Juying Huang

表7 生物结皮酶活性与土壤环境因子之间的相关性

Table 7 Correlation between enzyme activities of biocrusts and soil environment

酶活性 土壤性质 Hg Pb As Cd Cr Zn 容重 黏粒 粉粒 砂粒 土壤有机碳 全氮 全磷 pH 过氧化氢酶 0.275 0.851*** 0.483** 0.832*** 0.559*** 0.838*** -0.675*** -0.265 0.132 0.128 0.831*** 0.710*** 0.783*** -0.565*** 碱性磷酸酶 0.352* 0.838*** 0.468** 0.824*** 0.496** 0.844*** -0.757*** -0.158 0.081 0.075 0.826*** 0.843*** 0.810*** -0.650*** 脲酶 0.427** 0.746*** 0.422* 0.784*** 0.385* 0.739*** -0.651*** -0.177 -0.063 0.197 0.802*** 0.756*** 0.817*** -0.608*** 蔗糖酶 0.240 0.815*** 0.311 0.786*** 0.449** 0.819*** -0.748*** -0.152 0.111 0.048 0.791*** 0.796*** 0.750*** -0.645***