(It is accepted that following the removal of large areas of concrete and the loss of high pH runoff from them, populations of some calcicole plant species will inevitably decline.)
|Great crested newt
|Bristly haircap moss
|Green tiger beetle
|Fungi of dead wood
|Small blue butterfly
For those parts of the common designated as Sites of Special Scientific Interest (SSSI), Natural England have produced a set of Definitions of Favourable Condition. These both inform the management plan itself, and are embedded in the monitoring regime.
For aim 1, this plan retains the 18 management compartments and 44 subcompartments from the previous plan produced in 2000.
These are areas containing one habitat type (or a small number of habitats), or are areas visually defined by surrounding boundaries and features, therefore forming a convenient basis for dividing the plan into manageably-sized sections.
Some of the defining boundaries were old airbase features (e.g. roads, runways, taxiways, dispersal areas) which are now (2014) less prominent or even invisible on the ground. Some are, however, still shown on the detailed compartment prescription maps.