| A - Marine habitats |
| B - Coastal habitats |
| C - Inland surface waters |
| D - Mires, bogs and fens |
| E - Grasslands and land dominated by forbs, mosses or lichens |
| F - Heathland, scrub and tundra |
| G - Woodland, forest and other wooded land |
| H - Inland unvegetated or sparsely vegetated habitats |
| I - Regularly or recently cultivated, hortocultural and domestic habitats |
| J - Constructed, industrial and other artificial habitats |