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8 生物结皮酶活性与环境因子冗余分析（RDA）中的显著性检验

Table 8 Significance test of redundancy analysis （RDA） of biocrusts enzyme activities and environmental factors

项目 Zn Pb Cd 土壤有机碳 全磷 容重 全氮 pH Cr As Hg 黏粒 砂粒 粉粒 解释度/% 64.4 62.9 62.5 60.7 58.2 55.4 54.1 42.5 24.1 16.2 8.8 2.6 0.9 0.7 F 61.4 57.6 56.6 52.5 47.3 42.3 40.1 25.2 10.8 6.6 3.3 0.9 0.3 0.2 P 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.002 0.014 0.076 0.356 0.634 0.746