腾格里沙漠土壤水分含量与地形、植被的关系
宁婷, 张定海, 赵有益, 江晶

Relationship between soil moisture and topography and vegetation in the Tengger Desert
Ting Ning, Dinghai Zhang, Youyi Zhao, Jing Jiang
表1 基于广义线性模型的变量的显著性检验
Table 1 Significance test for variables based on generalized linear models
变量0~40?cm40~200?cm200~300?cm
估计值P估计值P估计值P
坡度0.0970.4320.0150.8780.0020.986
坡向0.0560.4040.0000.9980.1570.034
高差-0.2910.022-0.3790.000-0.3510.011
灌木盖度-0.0210.872-0.2420.0220.0190.893
灌木多度-0.3140.0290.1950.0880.1030.499
草本盖度0.2560.1470.3090.030-0.0450.809
草本多度-0.1430.484-0.0250.8800.2110.339
凋落物0.2490.252-0.0590.735-0.0400.863
生物量0.1240.369-0.0100.927-0.0390.794