| in this 21st century | 5 | temporal |
| seriously | 2 | degree |
| increasingly | 2 | degree |
| ecology → be → important | 7 |
| ecology → be → central | 4 |
| ecology → be → relevant | 3 |
| negative | neutral | positive |
| 0.127 | 0.501 | 0.371 |
| Raw frequency | 14 |
| Normalized frequency | 0.756 |
| Modifier score | 0.500 |
| Perplexity | 36.384 |