高寒地区生态修复草地和林地土壤颗粒有机碳分解特征
汉光昭, 曹广超, 曹生奎, 冶文倩

Soil particle organic carbon isotope decomposition characteristics of ecological restoration grassland and woodland in alpine region
Guangzhao Han, Guangchao Cao, Shengkui Cao, Wenqian Ye
表1 不同粒径土壤颗粒有机碳对数值与δ13C值回归模型参数
Table 1 Regression model between δ13C and Log values of POC in different soil particles
类型颗粒回归方程斜率KPearson 相关系数P
草地砂粒y=1.8591x-28.7541.860.683<0.05
粉粒y=-1.2509x-23.8291.250.684<0.05
黏粒y=-1.0201x-23.3481.020.542<0.05
林地砂粒y=1.1096x-26.9531.110.762<0.05
粉粒y=0.5732x-25.6330.570.860<0.01
黏粒y=0.467x-25.3020.470.754<0.01