中国森林生态系统土壤呼吸温度敏感性空间变异特征及影响因素

郑甲佳, 黄松宇, 贾昕, 田赟, 牟钰, 刘鹏, 查天山

Spatial variation and controlling factors of temperature sensitivity of soil respiration in forest ecosystems across China

ZHENG Jia-Jia, HUANG Song-Yu, JIA Xin, TIAN Yun, MU Yu, LIU Peng, ZHA Tian-Shan

表2 土壤呼吸温度敏感性(Q10)与气候(MAT、MAP)和土壤因素(SOC、TN)的多元线性回归

Table 2 Multiple linear regression of the temperature sensitivity of soil respiration (Q10) with climate (MAT, MAP) and soil factors (SOC, TN)

森林类型 Forest type 回归方程 Regression equation R2 F p n DBF Q10 = -0.027MAT + 0.334TN + 2.00 0.38 13.06 <0.01 46 DNF Q10 = -0.099MAT + 0.066SOC + 2.81 0.99 99.86 <0.01 6 EBF Q10 = -0.001MAP + 0.451TN + 2.92 0.50 28.38 <0.01 61 ENF Q10 = -0.060MAT + 0.006SOC + 3.11 0.44 22.97 <0.01 61 MF Q10 = -0.041MAT + 0.014SOC + 2.72 0.33 6.30 <0.01 29 All Q10 = -0.047MAT + 0.012SOC + 2.83 0.33 49.55 <0.01 208