Fig. 7: Areas of Great Britain and terrestrial protected areas within 700 m of a road.
From: Roads as a contributor to landscape-scale variation in bird communities

Blue represents terrestrial protected areas and red represents areas of a Great Britain and b terrestrial protected areas within the mean effect distance, 700 m, of associations between roads and bird abundance variation. Scale bars denote 200 m. Great Britain boundary shapefile obtained from ONS74.