合肥市小微湿地鸟类多样性的时空格局及其影响因素
汪婷, 周立志

The spatial-temporal patterns of bird diversity and its determinants in the small wetlands in Hefei City
Ting Wang, Lizhi Zhou
图3 物种丰富度与关键环境因子的非线性回归。灰色区域表示拟合线的置信区间。
Fig. 3 Non-linear regression between species richness and key environmental factors. The gray area stands for the confidential intervals for the fitted lines.