CHOBHAM COMMON NNR - Surrey Wildlife Trust

Objectives
Biological Objectives
All the following objectives are exclusive of events beyond the control of the
site managers
Objective 1.
To maintain the dwarf shrub habitats in favourable condition with
particular reference to H2 Calluna vulgaris –Ulex minor and H3 Ulex
minor – Agrostis curtisii European dry heath and M16 Erica tetralix –
Sphagnum compactum North Atlantic wet heath, and their associated
species
Features addressed by this objective
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Attributes for key features
Feature 1: H1/H2 European dry heath
Feature 2: H3 European dry heath
Attribute: Extent
Target: No un-consented decline in the area of habitat – (see Map 7)
Attribute: Bare ground
Target: 5-10% firm bare ground including compacted paths, flat areas, slopes,
banks and faces
Attribute: Vegetation composition – bryophytes and lichens
Target: Cover maintained where naturally present – Cladonia strepsilis, C.
arbuscula present.
Attribute: Vegetation composition - trees and scrub
Target: < 15% of sufficient age, species and structural diversity to
support invertebrate and breeding bird assemblages
Attribute: Vegetation composition – dwarf shrubs
Target: At least two of following species present – Calluna vulgaris, Erica
cinerea, E. tetralix, Genista anglica, Ulex minor
Attribute: Vegetation structure – dwarf shrub cover
Target: 25-75 % cover of dwarf shrubs
Attribute: Vegetation structure Ulex spp.
Target: < 50% Ulex/Genista spp. cover, >5% < 25% Ulex europaeus cover, no
large blocks of U. europeaus
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