半干旱区有机质与全氮空间变异的尺度效应特征——以延安市为例

王鹏, 赵君, 刘拓, 周一凡, 魏锦萍, 王磊

Scale effects of spatial variations in SOM and STN in semi-arid regions: A case study of Yan'an

WANG Peng, ZHAO Jun, LIU Tuo, ZHOU Yi-Fan, WEI Jin-Ping, WANG Lei

图5 不同采样尺度下有机质和全氮的块基比(a)、分形维数(b)散点分布

Fig.5 Scatter diagram of Nugget-Sill ratio(a) and fractal dimension(b) of SOM and STN at different scales