| expressly | 3 | manner |
| because of the increase in production | 3 | cause |
| adequately | 2 | degree |
| wetland → be → preserved | 30 |
| wetland → be → maintained | 4 |
| wetland → be → conserved | 4 |
| wetland → be preserved for → the purpose | 4 |
| wetland → be → retained | 3 |
| negative | neutral | positive |
| 0.092 | 0.597 | 0.310 |
| Raw frequency | 45 |
| Normalized frequency | 0.612 |
| Modifier score | 0.840 |
| Perplexity | 160.121 |