Elements which have less than 30% cover of vegetation, excluding saxicolous, lichens and bryophytes. Percentage cover estimates should be made of the entire surface of the element regardless of slope.
Sea below mean low water mark.
Permanent water bodies, whether rivers, canals, lakes or ponds, with less than 30% vegetation cover, otherwise use the HERBACEOUS GHCs.
Ice / snow (ICE)
Continuous rock divided by cracks, crevices or gullies.
Boulders over 0.20 m diameter.
Rocks and stones 0.05-20 m diameter.
Gravel 0.01-0.05 m diameter.
Sand 0.001-0.01 m diameter.
Earth, mud, silt and bare soil below 0.001 m diameter