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State of Conservation

1361
Reports
151
Properties concerned
90
States Parties with SOC reports
Property Category:Naturalclose
Date Start: 1996close
States Parties: United States of America
Year: 1996
Document Source: WHC-96/CONF.201/7A,WHC-96/CONF.202/2B
Threats*: Forestry /wood production Ground transport infrastructure Housing Impacts of tourism / visitor / recreation Invasive / alien freshwater species Mining Oil and gas Renewable energy facilities Surface water pollution
Other Threats: Infection threat to bison population
Danger List:  Yes
Properties
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Categories
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Regions
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Threats
Management systems/ management plan 728 Illegal activities 690 Mining 371 Ground transport infrastructure 317 Land conversion 301 Impacts of tourism / visitor / recreation 300 Water infrastructure 260 Livestock farming / grazing of domesticated animals 256 Civil unrest 217 Identity, social cohesion, changes in local population and community 216 Financial resources 211 Major visitor accommodation and associated infrastructure 157 Human resources 150 Oil and gas 147 Invasive/alien terrestrial species 145 Fishing/collecting aquatic resources 133 Legal framework 131 Housing 121 Surface water pollution 120 Forestry /wood production 112 War 100 Major linear utilities 82 Fire (widlfires) 80 Governance 80 Water (extraction) 63 Invasive / alien freshwater species 60 Crop production 59 Renewable energy facilities 57 Commercial hunting 56 Storms 56 Other climate change impacts 47 Marine transport infrastructure 46 Air pollution 41 Subsistence hunting 39 Effects arising from use of transportation infrastructure 34 Drought 34 Invasive / alien marine species 29 Ground water pollution 28 Management activities 28 Solid waste 27 Erosion and siltation/ deposition 27 Non-renewable energy facilities 26 Water (rain/water table) 24 Indigenous hunting, gathering and collecting 23 Changes to oceanic waters 22 Input of excess energy 18 Translocated species 18 Industrial areas 17 Temperature change 17 Air transport infrastructure 16 Localised utilities 16 Pollution of marine waters 16 Quarrying 11 Interpretative and visitation facilities 9 Commercial development 8 Society's valuing of heritage 8 Deliberate destruction of heritage 5 Aquaculture 4 Subsistence wild plant collection 4 Military training 4 Flooding 4 Avalanche/ landslide 4 Hyper-abundant species 4 Terrorism 3 Ritual / spiritual / religious and associative uses 2 Volcanic eruption 2 Earthquake 1 Tsunami/tidal wave 1 High impact research / monitoring activities 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.


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