| compared to manmade stormwater infrastructure | 4 | other |
| quite | 3 | degree |
| in removing nutrients | 2 | other |
| wetland → be → effective | 10 |
| wetland → be → functional | 3 |
| negative | neutral | positive |
| 0.018 | 0.381 | 0.601 |
| Raw frequency | 13 |
| Normalized frequency | 0.331 |
| Modifier score | 0.500 |
| Perplexity | 207.556 |