Open pavement and rock faces sampled by additional plots. Further away from edge are larger trees, but still with an open canopy.;Thin soils on sandstone bedrock just back from an open pavement / clifftop. Narrow zone is maintaned as an edaphic shrubland due to extreme exposure and shallow soils. Trees become established but are stunted or dying.
Representativeness
Most of small patch of shrub patch between open rock pavement and open woodland.