Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
The number of taxa of vascular plants in water bodies No_ 1–4 between 2013 and 2015
| Water body | Plants | 2013 | 2014 | 2015 |
|---|---|---|---|---|
| No. 1 | trees and shrubs | 8 | 8 | 8 |
| herbaceous plants | 6 | 6 | 9 | |
| macrophytes | 1 | 1 | 1 | |
| No. 2 | trees and shrubs | 3 | 3 | 3 |
| herbaceous plants | 5 | 9 | 18 | |
| macrophytes | 3 | 5 | 2 | |
| No. 3 | trees and shrubs | 1 | 1 | 1 |
| herbaceous plants | 6 | 10 | 22 | |
| macrophytes | 2 | 2 | 2 | |
| No. 4 | trees and shrubs | 4 | 4 | 3 |
| herbaceous plants | 11 | 16 | 14 | |
| macrophytes | 7 | 8 | 7 |
The shortest distance from facilities that may be potential sources of pollution
| No. of water body | Distance from the nearest livestock farm (m) | Distance from the nearest mine (m) | Distance from the nearest sewage treatment plant (m) | Distance from the nearest landfill (m) | Distance from the nearest production plant (m) | Distance from the nearest road (m) |
|---|---|---|---|---|---|---|
| 1 | 20.3 | 6836 | 6720 | 6698 | 418 | 32 |
| 2 | 418 | 7000 | 6200 | 6174 | 931 | 33 |
| 3 | 4281.5 | 7040 | 2497 | 2538 | 897 | 26 |
| 4 | 3779 | 4596.5 | 4292 | 4688 | 2416 | 243 |
Classification of the ecological status of water based on the Q index
| Ecological status | Q index value |
|---|---|
| Very good | 4.0–5.0 |
| Good | 3.0–4.0 |
| Medium | 2.0–3.0 |
| Poor | 1.0–2.0 |
| Bad | 0–1.0 |