8120 Calcareous and calcshist screes of the montane to alpine levels (Thlaspietea rotundifolii)
Distribution of SACs/SCIs/cSACs containing habitat 8120 Calcareous and calcshist screes of the montane to alpine levels (Thlaspietea rotundifolii).
|Explanation of grades|
Outstanding examples of the feature in a European context.
Excellent examples of the feature, significantly above the threshold for SSSI/ASSI notification but of somewhat lower value than grade A sites.
Examples of the feature which are of at least national importance (i.e. usually above the threshold for SSSI/ASSI notification on terrestrial sites) but not significantly above this. These features are not the primary reason for SACs being selected.
Features of below SSSI quality occurring on SACs These are non-qualifying features (non-significant presence), indicated by a letter D, but this is not a formal global grade.