A number of factors contributed to the decline of this species, including widespread loss and fragmentation of heathland due to agricultural intensification, forestry and development. There has been a 60 percent loss of heathland in Britain, and remaining fragments have often become degraded due to a decline in traditional management techniques. The introduction of myxomatosis during the 1950s resulted in a huge decline in rabbit grazing and a loss of short vegetation. Chalk grassland habitats greatly declined as a result (6).
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