| Site | Region | spp. | SQI | IEC | Survey Period |
|---|---|---|---|---|---|
| Calke Abbey NT, Derbyshire | England: Mid | 165 | 422.4 | 74 | 1998 - 2004 |
| New Forest, South Hampshire | England: South | 324 | 771.6 | 201 | < 2000 |
| Epping Forest, South Essex | England: South | 252 | 544.4 | 129 | < 1979 |
| Windsor Forest, Berkshire | England: South | 363 | 765.8 | 255 | < 1998 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| Wicken Fen (NT), Cambridgeshire | England: South | 152 | 447.4 | 59 | 1980 - 2023 |
Saproxylic Quality Index