Species richness
The species richness maps show the numbers of species recorded in each tetrad presented as different densities of shading.
Breeding confirmation
The breeding confirmation maps show the percentage of species recorded in each tetrad for which breeding was confirmed.
Entry-level Stewardship
The entry-level stewardship maps show the numbers of DEFRA Entry-level Environmental Stewardship target species recorded as probable or confirmed breeding in each tetrad.
Higher-level Stewardship
The higher-level stewardship maps show the numbers of DEFRA Higher-level Environmental Stewardship target species recorded as probable or confirmed breeding in each tetrad.