NERI - The Danish Red Data Book

Code	Category of habitat
A Aa Ad Ag As	farmland avenues and single trees arable fields dikes, fences, hedgerows etc. farmland with small biotopes
B	urban areas (including buildings, houses, gardens, ruderal areas, pits etc.)
D Di Dk	dunes inland dunes coastal dunes
E Ee Ek Em Eo	meadows naturally eutrophic meadows calcareous meadows naturally mesotrophic meadows naturally oligotrophic meadows
H	heathland
K Ke Ko Ks Kt	coastal areas coastal meadows and swamps commons stony and sandy beeches cliffs
M Me Mh Mm Mo	fens naturally eutrophic fens bogs (active) naturally mesotrophic fens naturally oligotrophic fens
O Ok Oo Op	dry grassland (incl. slopes) shrubby dry grassland open dry grassland parklands
R	rocks and stones
S Sb Sg Sl Sn Ss Su	woodlands forest margins and glades old growth forest (both deciduous and conifer forests) deciduous forest conifer forest swamp forest untouched forest (both deciduous and conifer forests)
T Tb Tk Tl	the sea (saline water) the zostera belt open sea (over the continental shelf) lagoons/estuaries
V Ve Vk Vm Vo Vs Vv	fresh water (incl. banks at water courses and lakes) naturally eutrophic lakes springs naturally mesotrophic lakes naturally oligotrophic lakes water hole (incl. temporary) water courses