The EUNIS Habitat Classification is a pan-European global system that facilitates the description and harmonized collection of data across the entire Europe using habitat identification criteria. It is hierarchical and covers all types of habitats from nature to artificial, from terrestrial soil to fresh and marine waters. It presents the importance of defining separately and clearly expressing built habitats. The EUNIS Habitats Classification 2004 (in revision), associated with the European Habitats Directive, classifies habitats as follows: A. Marine habitats B: Coastal habitats C: Freshwater – continental (inland) D: Wetlands, marshes, and lagoons E: Pastures and lands dominated by non-grass, moss, or lichen plants F: Uncultivated lands, scrub, and tundra G: Forested areas, woods, and other forested lands H: Continental habitats (inland) with little or no vegetation I: Agricultural, horticultural, and domestic habitats, regularly or recently cultivated I1 Agricultural lands and gardens for market disposal I1.1 Mixed intensive crops I1.2 Mixed market garden and horticulture crops I1.3 Arable land with mixed crops cultivated by low-intensity agricultural methods I1.4 Flooded or inundable crops, including rice fields I1.5 Arable land, recently or abandoned I2 Garden areas and parks I2.1 Large ornamental gardens I2.2 Small ornamental gardens and domestic gardens I2.3 Recently abandoned gardens J: Built, industrial, and other artificial habitats