| Typicality: | 0.396 |
| Saliency: | 0.342 |
| in 1988 | 12 | temporal |
| in 1971 | 6 | temporal |
| due to the deterioration | 5 | cause |
| island → be declared → a nature reserve | 15 |
| island → be declared → natural reserve | 7 |
| island → be designated → a national nature reserve | 4 |
| island → be declared → a national nature reserve | 4 |
| island → be declared → national nature reserve | 3 |
| island → be declared → special nature reserves | 3 |
| negative | neutral | positive |
| 0.071 | 0.616 | 0.313 |
| Raw frequency | 36 |
| Normalized frequency | 0.342 |
| Modifier score | 0.500 |
| Perplexity | 55.532 |