| Site | Region | spp. | SQI | IEC | Survey Period |
|---|---|---|---|---|---|
| New Forest, South Hampshire | England: South | 324 | 771.6 | 201 | < 2000 |
| Abernethy Estate, East Inverness-shire | Scotland | 142 | 678.2 | 18 | < 1994 |
| Black Wood of Rannoch, Mid Perthshire | Scotland | 74 | 563.5 | 8 | < 1990 |
| Glen Tanar, South Aberdeenshire | Scotland | 34 | 611.8 | 4 | < 1991 |
| Gwydyr Forest, Caernarvonshire | Wales | 17 | 247.1 | 1 | < 1998 |
| Auchinleck Estate, Ayrshire | Scotland | 39 | 284.6 | 9 | 2013 - 2016 |
| Auchinleck Estate, Ayrshire | Scotland | 41 | 285.4 | 9 | 2000 - 2021 |
| Black Powder Woods, Ayrshire | Scotland | 44 | 259.1 | 7 | 2004 - 2025 |
Saproxylic Quality Index