| Vegetation over time | Correlation value (r) | p-value |
| T. capensis | 0.70 | 0.30 |
| P. australis | 0.89 | 0.11 |
| P. australis/T. capensis mix | 0.92 | 0.07 |
| Open water | 0.60 | 0.93 |
| Grass | 0.71 | 0.29 |
| Effect of vegetation types on one another | Correlation value (r) | p-value |
| P. australis and T. capensis | 0.88 | 0.12 |
| P. australis/T. capensis mix and P. australis | 0.68 | 0.32 |
| P. australis/T. capensis mix and T. capensis | 0.37 | 0.63 |