State of Conservation
|Site||State Party||Year||Threats*||Danger List|
|yellowstone national parkYellowstone National Park||united states of america United States of America||1997|| Invasive / alien freshwater species,
Other Threats: Infection threat to bison population
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”).