Individual study: Up to 30 species of bees, wasps and ants use bare ground scrapes on three lowland heaths in West Sussex, England
Edwards M. (1998) Monitoring of bare ground for use by heathland insects. Unpublished report to the West Sussex Heathlands Project
This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.
Create patches of bare ground for ground-nesting bees
A study of artificially made scrapes on three lowland heaths in West Sussex, England (Edwards 1998) found between two and eight solitary bee species using the scrapes one to four years after they were created, with up to five of the species actively nesting.