锡林浩特土壤颗粒分形特征与草原植物生物量的相关性研究

孙改清, 李素英, 赵园园, 王冉, 任丽娟, 常英, 王继伟

Correlation between fractal characteristics of soil particles and biomass of steppe plants in Xilinhot

SUN Gaiqing,LI Suying,ZHAO Yuanyuan,WANG Ran,REN Lijuan,CHANG Ying,WANG Jiwei

表1 不同深度土层土壤分形维数的统计值

Table 1 Statistical results of fractal dimension of different soil layers

土层深度/cm 样本数N D均值 极小值 极大值 标准差 标准误差 0~5 28 2.623 2.510 2.795 0.061 0.012 5~20 28 2.580 2.330 2.678 0.069 0.013 20~40 28 2.572 2.297 2.683 0.092 0.017 0~40 84 2.592 2.297 2.795 0.077 0.008