Key concepts and definitions related to archaeological sites. Changing conservation approaches in Mediterranean archaeology. Non-destructive research methods and technologies. Preservation of archaeological heritage as a feature of the cultural landscape. Salvage projects. Preservation of natural features in archaeological sites and archaeology parks. Conservation during and after archaeological excavations. Protective shelters. Cleaning, maintenance, repair and consolidation. Anastylosis and restoration. Reconstruction and re-use. Experimental archaeology as a preservation approach. Museums and research centres in archaeological sites. Management planning for archaeological sites.