CHOBHAM COMMON NNR - Surrey Wildlife Trust

Feature 4: Nightjar
Attribute: Number of breeding pairs
Target: Population does not fall below 45 pairs
Feature 5: Woodlark
Attribute: Number of breeding pairs
Target: Population does not fall below 6 pairs
Feature 6: Outstanding heathland bird assemblage
Attribute: BTO index score of 22
Target: Score does not fall below 16 points
Feature 7: Dicranum spurium
Attribute: Frequency/extent
Target: Maintain frequency and extent – if this species is located
Create appropriate habitat for the species to re-establish, with guidance from
Natural England bryologists.
Feature 8: Sand lizard
Attribute: Condition of existing colony
Target: To maintain sufficient bare ground adjacent to mature stage heather
for breeding and feeding habitat to sustain the existing colony.
Attribute: Potential for further re-introductions
Target: Create at least two other colonies through suitable habitat
management
Feature 9: Formica rufibarbis
Attribute: Condition of existing colony
Target: Maintain existing colony in good condition
Attribute: Potential for further re-introductions
Target: Create as many other colonies as possible through suitable habitat
management as part of the Zoological Society of London’s UK Native
Species Program Red-Bearded Ant Project
Feature 10: Silver studded blue
Attribute: Frequency/population size
Target: Species present and breeding on site. Unfavourable if more than 25%
loss in core habitat or abundance of food plant in any 6 year cycle
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