Take advantage of the search to browse through the World Heritage Centre information.

i
ii
iii
iv
v
vi
vii
viii
ix
x

State of Conservation

723
Reports
271
Properties concerned
97
States Parties with SOC reports
Date end:1998close
States Parties: United States of America
Year: 1994
Document Source: WHC-94/CONF.001/10
Threats*: Mining
States Parties: United States of America
Year: 1989
Document Source: SC-89/CONF.003/12,SC-89/CONF.003/2,SC-89/CONF.004/12,SC-89/CONF.004/5
Other Threats: Fire
States Parties: United States of America
Year: 1988
Document Source: SC-88/CONF.001/13
Other Threats: Fire
Properties
file_download
Categories
file_download
Regions
file_download
Threats
Management systems/ management plan 297 Illegal activities 121 Ground transport infrastructure 103 Housing 101 Impacts of tourism / visitor / recreation 82 Management activities 77 Identity, social cohesion, changes in local population and community 70 Financial resources 65 Legal framework 64 Water infrastructure 57 Water (rain/water table) 55 Mining 53 Land conversion 51 Major visitor accommodation and associated infrastructure 32 Livestock farming / grazing of domesticated animals 32 Surface water pollution 31 Human resources 31 Storms 29 Relative humidity 28 Effects arising from use of transportation infrastructure 27 Civil unrest 27 Forestry /wood production 24 Solid waste 23 Air pollution 21 Erosion and siltation/ deposition 21 War 20 Localised utilities 19 Commercial development 17 Crop production 16 Fishing/collecting aquatic resources 16 Oil and gas 16 Earthquake 16 Water (extraction) 15 Deliberate destruction of heritage 15 Flooding 14 Invasive/alien terrestrial species 14 Marine transport infrastructure 12 Interpretative and visitation facilities 10 Major linear utilities 10 Wind 10 Industrial areas 8 Input of excess energy 8 Subsistence hunting 7 Temperature 7 Avalanche/ landslide 7 Air transport infrastructure 6 Fire (widlfires) 6 Governance 6 Micro-organisms 5 Invasive / alien marine species 5 Renewable energy facilities 4 Ritual / spiritual / religious and associative uses 4 Desertification 4 Invasive / alien freshwater species 4 Pollution of marine waters 3 Quarrying 3 Radiation/light 3 Terrorism 3 Pests 2 Society's valuing of heritage 2 Volcanic eruption 2 High impact research / monitoring activities 2 Ground water pollution 1 Commercial hunting 1 Subsistence wild plant collection 1 Changes in traditional ways of life and knowledge system 1 Military training 1 Other climate change impacts 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.


top