Changes in sites (15/09/2026)
The following protected sites files have been updated as of 15th September 2026 in the APIS tool.
Wales
| code | old_name | new_name | designation | change | previous_area_ha | new_area_ha |
|---|---|---|---|---|---|---|
| W_5007 | NA | Bodwigiad a Nant y Deri | SSSI | Added site | NA | 82.0 |
| W_5011 | NA | Cae Glas, Wern | SSSI | Added site | NA | 6.4 |
| W_5024 | NA | Cors Cae Gweunydd | SSSI | Added site | NA | 8.1 |
| W_5027 | NA | Cwm Marlais | SSSI | Added site | NA | 59.0 |
| W_5012 | NA | Gwel y Coed | SSSI | Added site | NA | 6.0 |
| W_5025 | NA | Gweunydd Nant y Twyn | SSSI | Added site | NA | 32.7 |
| W_5010 | NA | Llwynderw | SSSI | Added site | NA | 5.6 |
| W_80 | NA | Mynyddoedd Llangynidr a Llangatwg, Cefn yr Ystrad a Chomin Merthyr | SSSI | Added site | NA | 7211.3 |
| W_5009 | NA | Scoveston Fort | SSSI | Added site | NA | 6.3 |
| W_5028 | NA | Tynygwndwn a Waunmacwydd | SSSI | Added site | NA | 31.2 |
| W_5032 | NA | Wern Ddu Uchaf | SSSI | Added site | NA | 10.5 |
| 33WBA | Rectory Meadow Rogiet | Dôlau’r Rheithordy, Rogiet / Rectory Meadows, Rogiet | SSSI | Renamed + Enlarged | 0.2 | 5.4 |
| country | designation | Added site | Renamed + Enlarged |
|---|---|---|---|
| Wales | SSSI | 11 | 1 |
Changes in features (11/09/2026)
As announced on 11th September 2026, the following features have been modified
| INTERESTCODE | INTERESTNAME | INTERESTLAYNAME | change |
|---|---|---|---|
| SSSI3463 | Scarce blue-tailed damselfly | Scarce Blue-Tailed Damselfly | added |
| SSSI3464 | Margaritifera margaritifera | Freshwater Pearl Mussel | added |
| code | name | type | habit. | dep | Ammonia Critical Level (ug m-3) | NOx Critical Level (ug m-3) | SO2 Critical Level (ug m-3) | N dep CL class | Acidity CL class | N dep CL (min-max kgN ha-1 yr-1) |
|---|---|---|---|---|---|---|---|---|---|---|
| SSSI3463 | Scarce blue-tailed damselfly | Damselfly | No broad habitat assigned | Grid-average | 1 | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical load has not …No critical load has not assigned for this feature, please seek site specific advice | No critical load has not …No critical load has not assigned for this feature, please seek site specific advice | NA-NA |
| SSSI3464 | Margaritifera margaritifera | Mollusc | Rivers and streams | Grid-average | 1 | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No comparable habitat wit…No comparable habitat with established critical load estimate available | Freshwater | NA-NA |
Changes to sites' features (11/09/2026)
As announced on 11th September 2026, the following features have been modified
| SITECODE | INTERESTCODE | INTERESTTYPE | INTERESTNAME | BROADHABITAT | change |
|---|---|---|---|---|---|
| ASSI199 | SSSI0895 | Mollusc | Margaritifera margaritifera | Rivers and streams | removed |
| ASSI199 | SSSI3464 | Mollusc | Margaritifera margaritifera | Rivers and streams | added |
| ASSI200 | SSSI0895 | Mollusc | Margaritifera margaritifera | Rivers and streams | removed |
| ASSI200 | SSSI3464 | Mollusc | Margaritifera margaritifera | Rivers and streams | added |
| ASSI213 | SSSI0895 | Mollusc | Margaritifera margaritifera | Rivers and streams | removed |
| ASSI213 | SSSI3464 | Mollusc | Margaritifera margaritifera | Rivers and streams | added |
| ASSI364 | SSSI0895 | Mollusc | Margaritifera margaritifera | Rivers and streams | removed |
| ASSI364 | SSSI3464 | Mollusc | Margaritifera margaritifera | Rivers and streams | added |
| ASSI395 | SSSI1340 | Damselfly | Scarce blue-tailed damselfly | No broad habitat assigned | removed |
| ASSI395 | SSSI3463 | Damselfly | Scarce blue-tailed damselfly | No broad habitat assigned | added |
| ASSI396 | SSSI0895 | Mollusc | Margaritifera margaritifera | Rivers and streams | removed |
| ASSI396 | SSSI3464 | Mollusc | Margaritifera margaritifera | Rivers and streams | added |
NOTE: These are the CLs etc. of the removed/added features
| code | name | type | habit. | dep | Ammonia Critical Level (ug m-3) | NOx Critical Level (ug m-3) | SO2 Critical Level (ug m-3) | N dep CL class | Acidity CL class | N dep CL (min-max kgN ha-1 yr-1) |
|---|---|---|---|---|---|---|---|---|---|---|
| SSSI0895 | Margaritifera margaritifera | Mollusc | Rivers and streams | Grid-average | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No comparable habitat wit…No comparable habitat with established critical load estimate available | Freshwater | NA-NA |
| SSSI3464 | Margaritifera margaritifera | Mollusc | Rivers and streams | Grid-average | 1 | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No comparable habitat wit…No comparable habitat with established critical load estimate available | Freshwater | NA-NA |
| SSSI3463 | Scarce blue-tailed damselfly | Damselfly | No broad habitat assigned | Grid-average | 1 | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical load has not …No critical load has not assigned for this feature, please seek site specific advice | No critical load has not …No critical load has not assigned for this feature, please seek site specific advice | NA-NA |
| SSSI1340 | Scarce blue-tailed damselfly | Damselfly | No broad habitat assigned | Grid-average | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical level has bee…No critical level has been assigned for this feature, please seek site specific advice | No critical load has not …No critical load has not assigned for this feature, please seek site specific advice | No critical load has not …No critical load has not assigned for this feature, please seek site specific advice | NA-NA |