乌兰布和沙漠沿黄河段植物群落特征及空间分异
甘开元, 张金霞, 陈丽娟, 席海洋, 张斌武, 雍天, 卫雨西

Characteristics and spatial differentiation of plant communities along the Yellow River in the Ulan Buh Desert
Kaiyuan Gan, Jinxia Zhang, Lijuan Chen, Haiyang Xi, Binwu Zhang, Tian Yong, Yuxi Wei
表3 植物生物量多元逐步回归分析系数
Table 3 The multivariate stepwise regression analysis coefficient of vegetation biomass
因变量自变量未标准化系数标准化系数t显著性共线性统计
B标准错误Beta容差VIF
植物生物量含水率0.7900.4310.6543.7460.0000.5061.977
电导率-0.1140.043-0.457-2.6590.0120.5061.977
草本生物量含水率0.0240.0401.0676.7710.0000.5171.932
电导率-0.1150.035-0.517-3.2800.0030.5171.932
灌木生物量电导率0.5850.2830.3822.0680.0490.9991.000