| Littoral rock and biogenic reef | 
 
 | Littoral sediment | 
 
 | Littoral undetermined substrate | 
 
 | Infralittoral rock and biogenic reef | 
 
 | Infralittoral coarse sediment | 
 
 | Infralittoral mixed sediment | 
 
 | Infralittoral sand | 
 
 | Infralittoral mud | 
 
 | Infralittoral undetermined substrate | 
 
 | Circalittoral rock and biogenic reef | 
 
 | Circalittoral coarse sediment | 
 
 | Circalittoral mixed sediment | 
 
 | Circalittoral sand | 
 
 | Circalittoral mud | 
 
 | Circalittoral undetermined substrate | 
 
 | Offshore circalittoral rock and biogenic reef | 
 
 | Offshore circalittoral coarse sediment | 
 
 | Offshore circalittoral mixed sediment | 
 
 | Offshore circalittoral sand | 
 
 | Offshore circalittoral mud | 
 
 | Offshore circalittoral undetermined substrate | 
 
 | Upper bathyal rock and biogenic reef | 
 
 | Upper bathyal sediment | 
 
 | Upper bathyal undetermined substrate | 
 
 | Lower bathyal rock and biogenic reef | 
 
 | Lower bathyal sediment | 
 
 | Lower bathyal undetermined substrate | 
 
 | Abyssal | 
 
 | F1 - Tundra | 
 
 | F2 - Arctic, alpine and subalpine scrub | 
 
 | F3 - Temperate and mediterranean-montane scrub | 
 
 | F4 - Temperate shrub heathland | 
 
 | F5 - Maquis, arborescent matorral and thermo-Mediterranean brushes | 
 
 | F6 - Garrigue | 
 
 | F7 - Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation) | 
 
 | F8 - Thermo-Atlantic xerophytic scrub | 
 
 | F9 - Riverine and fen scrubs | 
 
 | FB - Shrub plantations |