State of Conservation
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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
States Parties
YemenThreats
Housing(33) Management systems/ management plan(27) Land conversion(23) Deliberate destruction of heritage(18) Management activities(16) Civil unrest(15) Solid waste(14) Identity, social cohesion, changes in local population and community(10) Flooding(9) Ground transport infrastructure(8) Financial resources(8) Human resources(8) Relative humidity(7) Erosion and siltation/ deposition(7) Fishing/collecting aquatic resources(6) Livestock farming / grazing of domesticated animals(6) Illegal activities(6) War(6) Invasive / alien marine species(6) Governance(6) Legal framework(6) Water (rain/water table)(3) Major visitor accommodation and associated infrastructure(1) Changes in traditional ways of life and knowledge system(1) Desertification(1) Storms(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.
