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2 植物特征与影响因子的相关系数

Table 2 The correlation coefficients between vegetation characteristics and impact factors

海拔 pH值 电导率 土壤水分 容重 植物多样性 R 0.092 0.226 -0.251 -0.070 0.048 P 0.578 0.167 0.123 0.672 0.770 植物含水率 R -0.106 0.045 0.105 0.431** -0.272 P 0.519 0.784 0.523 0.006 0.094 植物生物量 R -0.354* 0.439** 0.188 0.597** -0.501** P 0.027 0.005 0.251 0.000 0.001 草本含水率 R -0.129 0.224 0.042 0.387* -0.237 P 0.276 0.204 0.816 0.024 0.178 灌木含水率 R 0.307 -0.555 -0.238 0.710 0.018 P 0.119 0.784 0.232 0.060 0.927 草本生物量 R -0.413* 0.400* 0.224 0.708** -0.640** P 0.021 0.026 0.225 0.000 0.000 灌木生物量 R -0.173 0.335 0.382* 0.302 -0.111 P 0.387 0.088 0.049 0.126 0.582