腾格里沙漠东南缘固沙灌丛林土壤理化性质及分形维数

王文帆, 刘任涛, 郭志霞, 冯永宏, 蒋嘉瑜

Physical and chemical properties and fractal dimension distribution of soil under shrubs in the southern area of Tengger Dseart

Wenfan Wang, Rentao Liu, Zhixia Guo, Yonghong Feng, Jiayu Jiang

表1 沙丘大小和部位对土壤理化性质及分形维数的双因素方差分析

Table 1 Two factor variance analysis of the effect of sand dune size and position on soil physical and chemical properties and fractal dimension

因子 含水率 容重 pH 电导率 全碳 粉粒 极细砂 细砂 分形维数 沙丘大小 1.865 1.907 0.401 1.432 2.371 7.25* 2.025 2.892* 3.217* 沙丘部位 2.886* 1.032 0.412 18.345* 3.218* 18.697* 7.398* 12.856* 10.865* 大小×部位 1.219 2.632* 0.727 0.737 1.352 0.499 1.330 1.089 0.928