| Site | Region | spp. | SQI | IEC | Survey Period |
|---|---|---|---|---|---|
| Forest of Dean, West Gloucestershire | England: Mid | 89 | 410.1 | 30 | 1965 - 1998 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 200 | < 2000 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 128 | < 1979 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 254 | < 1998 |
Saproxylic Quality Index