| Site | Region | spp. | SQI | IEC | Survey Period |
|---|---|---|---|---|---|
| Oxburgh Hall, West Norfolk | England: South | 96 | 447.9 | 36 | 2013 - 2022 |
| Sutton Heath, Northamptonshire | England: Mid | 63 | 357.1 | 24 | 2025 |
| Richmond Park (total), Surrey | England: South | 302 | 649.3 | 180 | < 2025 |
| Rougham Estate 2025, East Suffolk | England: South | 109 | 502.8 | 53 | 2025 |
| Rougham Estate 1997 - 2025, East Suffolk | England: South | 123 | 475.6 | 54 | 1997 - 2025 |
Saproxylic Quality Index