柴达木盆地降水梯度下荒漠植被分布特征及影响因素

康文蓉, 赵文智, 张勇勇, 马登科, 马圆圆, 岳奕帆, 周国英

Vegetation distribution characteristics and influencing factors along a precipitation gradient in the Qaidam Basin

Wenrong Kang, Wenzhi Zhao, Yongyong Zhang, Denke Ma, Yuanyuan Ma, Yifan Yue, Guoying Zhou

表2 柴达木盆地不同降水梯度下物种多样性

Table 2 Species diversity indicators under different precipitation gradients in the Qaidam Basin

降水梯度

/mm

Shannon-Wiener

多样性指数

Evenness

均匀度指数

Marglef

丰富度指数

物种数

/个

200~300

1.14±0.32^a

0.72±0.12^a

0.05±0.04^a

5.11±1.54^a

100~200

0.93±0.74^b

0.51±0.38^a

0.08±0.06^a

4.56±2.96^b

50~100

0.36±0.40^b

0.38±0.40^a

0.08±0.11^a

1.92±1.16^b