| Kaizhou gathering area | Wanzhou gathering area | Hechuan gathering area | Beibei gathering area | Yubei gathering area | Yubei Jiangbei gathering area |
Richness index | 0.2159 | 0.1899 | 0.1474 | 0.1471 | 0.1311 | 0.1298 |
| Shapingba gathering area | Banan gathering area | Yongchuan gathering area | Jiulongpo Jiangjin gathering area | Dianjiang gathering area | Zhongxian gathering area |
Richness index | 0.1852 | 0.1311 | 0.1818 | 0.1422 | 0.1262 | 0.2651 |
| Fengdu gathering area | Fuling gathering area | Nanchuan gathering area | Qijiang gathering area | Yuzhong gathering area |
|
Richness index | 0.1778 | 0.1331 | 0.1444 | 0.1111 | 0.1341 |
|