Physical and biological cover of the earth's surface including artificial surfaces, agricultural areas, forests, (semi-)natural areas, wetlands, water bodies.

• Directive 2007/2/EC of the European Parliament and of the Council of 14 March 2007 establishing an Infrastructure for Spatial Information in the European Community (INSPIRE)
  Place of publication: (Dz. Urz. UE L 108 z 25.04.2007, str. 1, z późn. zm.)

• The Tree Cover Density (TCD)