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3 不同采样尺度均值(a)、变异系数(b)与尺度的散点分布

Fig.3 Scatter diagram of variation mean value(a) and codfficients(b) at different scales