| Site | Region | spp. | SQI | IEC | Survey Period |
|---|---|---|---|---|---|
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 428.1 | 30 | 1965 - 1998 |
| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| Epping Forest, South Essex | England: South | 252 | 560.3 | 128 | < 1979 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
Saproxylic Quality Index