i
ii
iii
iv
v
vi
vii
viii
ix
x

State of Conservation

177
Reports
26
Properties concerned
21
States Parties with SOC reports
Threats* : Surface water pollutionclose
States Parties: South Africa
Year: 2008
Document Source: WHC-08/32.COM/7B.Add
Threats*: Surface water pollution
States Parties: China
Year: 2021
Document Source: WHC/21/44.COM/7B
Threats*: Surface water pollution
States Parties: China
Year: 2019
Document Source: WHC/19/43.COM/7B
Threats*: Surface water pollution
States Parties: China
Year: 2015
Document Source: WHC-15/39.COM/7B.Add
Threats*: Surface water pollution
States Parties: United States of America
Year: 2012
Document Source: WHC-12/36.COM/7B
Threats*: Surface water pollution
States Parties: United States of America
Year: 2010
Document Source: WHC-10/34.COM/7B
Threats*: Surface water pollution
States Parties: United States of America
Year: 2008
Document Source: WHC-08/32.COM/7B
Threats*: Surface water pollution
States Parties: United States of America
Year: 2004
Document Source: WHC-04/28.COM/15B.Add
Threats*: Surface water pollution
Other Threats: Brucella infection threat to bison population
States Parties: United States of America
Year: 2001
Document Source: WHC-01/CONF.208/09,WHC-01/CONF.208/9,WHC-2001/CONF.205/4
Threats*: Surface water pollution
Other Threats: Infection threat to bison population
Danger List:  Yes
States Parties: United States of America
Year: 2000
Document Source: WHC-2000/CONF.202/4,WHC-2000/CONF.204/9
Threats*: Surface water pollution
Other Threats: Infection threat to bison population
Danger List:  Yes
States Parties: United States of America
Year: 1999
Document Source: WHC-99/CONF.209/13
Threats*: Surface water pollution
Other Threats: Infection threat to bison population
Danger List:  Yes
States Parties: United States of America
Year: 1998
Document Source: WHC-98/CONF.203/7
Threats*: Surface water pollution
Other Threats: Infection threat to bison population
Danger List:  Yes
States Parties: United States of America
Year: 1997
Document Source: WHC-97/CONF.204/2A,WHC-97/CONF.208/8A
Threats*: Surface water pollution
Other Threats: Infection threat to bison population
Danger List:  Yes
States Parties: United States of America
Year: 1996
Document Source: WHC-96/CONF.201/7A,WHC-96/CONF.202/2B
Threats*: Surface water pollution
Other Threats: Infection threat to bison population
Danger List:  Yes
States Parties: United States of America
Year: 1995
Document Source: WHC-95/CONF.201/4,WHC-95/CONF.203/5,WHC-95/CONF.203/5 Add.1
Threats*: Surface water pollution
Other Threats: Infection threat to bison population
States Parties: China
Year: 2021
Initialy proposed for examination in 2020
Document Source: WHC/21/44.COM/7B
Threats*: Surface water pollution
States Parties: China
Year: 2018
Document Source: WHC/18/42.COM/7B
Threats*: Surface water pollution

* : 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.