i
ii
iii
iv
v
vi
vii
viii
ix
x

State of Conservation

531
Reports
147
Properties concerned
42
States Parties with SOC reports
Date end:2006close
Region: Europe and North Americaclose
Legend

Category of site
Cultural site Natural site Mixed site

Site inscribed on the List of World Heritage in Danger
Cultural site Natural site Mixed site

Threats
Management systems/ management plan 220 Housing 133 Impacts of tourism / visitor / recreation 81 Ground transport infrastructure 67 Surface water pollution 56 Legal framework 46 Water infrastructure 45 Mining 41 Illegal activities 33 Forestry /wood production 32 Management activities 31 Financial resources 29 Interpretative and visitation facilities 24 Oil and gas 24 Storms 23 Major linear utilities 19 Livestock farming / grazing of domesticated animals 19 Effects arising from use of transportation infrastructure 18 Water (rain/water table) 18 Relative humidity 17 Renewable energy facilities 16 Water (extraction) 16 Deliberate destruction of heritage 16 Earthquake 15 Industrial areas 14 Crop production 14 Major visitor accommodation and associated infrastructure 13 Marine transport infrastructure 13 Localised utilities 13 Invasive / alien freshwater species 12 Air pollution 11 Erosion and siltation/ deposition 11 Human resources 11 Commercial development 10 Quarrying 10 Solid waste 9 War 9 Pollution of marine waters 7 High impact research / monitoring activities 7 Air transport infrastructure 6 Invasive/alien terrestrial species 6 Governance 6 Micro-organisms 5 Identity, social cohesion, changes in local population and community 5 Fire (widlfires) 5 Underground transport infrastructure 4 Ground water pollution 4 Input of excess energy 4 Temperature 4 Fishing/collecting aquatic resources 3 Radiation/light 3 Wind 3 Terrorism 3 Flooding 3 Ritual / spiritual / religious and associative uses 2 Society's valuing of heritage 2 Temperature change 2 Commercial hunting 1 Land conversion 1 Pests 1 Changes in traditional ways of life and knowledge system 1 Indigenous hunting, gathering and collecting 1

* : The threats indicated are listed in alphabetical order; their order does not constitute a classification according to the importance of their impact on the property.
Furthermore, they are presented irrespective of the type of threat faced by the property, i.e. with specific and proven imminent danger (“ascertained danger”) or with threats which could have deleterious effects on the property’s Outstanding Universal Value (“potential danger”).

** : All mission reports are not always available electronically.