| truly | 3 | degree |
| to the high plains region | 3 | location |
| for conserving biological diversity | 2 | purpose |
| wetland → be → unique | 20 |
| wetland → be → distinct ecosystem | 9 |
| wetland → be → unique ecosystems | 4 |
| negative | neutral | positive |
| 0.059 | 0.570 | 0.371 |
| Raw frequency | 33 |
| Normalized frequency | 0.542 |
| Modifier score | 1.000 |
| Perplexity | 79.589 |