Bioregion
|
No. of Countries
|
Countries
|
Choco-Darien
|
4
|
Panama | Colombia | Ecuador | Peru
|
Atlantic Forests
|
3
|
Brazil | Paraguay | Argentina
|
Congo Basin
|
10
|
Nigeria | Cameroon | Equatorial Guinea | Gabon | Republic of the Congo | Democratic Republic of the Congo | Angola | Zambia | Tanzania
|
Orinoco River and Flooded Forests
|
2
|
Venezuela | Colombia
|
Northern Great Plains
|
2
|
Canada | United States
|
Greater Mekong
|
7
|
China | India | Myanmar | Laos | Vietnam | Cambodia | Thailand
|
Coolgardie, Esperance, Jarrah Karri, Yalgoo, Swan Coastal Plain
|
1
|
Australia
|
Fybnos
|
1
|
South Africa
|
Sumatra
|
2
|
Indonesia | Singapore
|
Valdivia
|
1
|
Chile
|
Yangtze Basin
|
2 †
|
Arunachal Pradesh (India) | China
|
Cerrado
|
2
|
Brazil | Paraguay
|
Mesoamerican Reefs
|
4
|
Belize | Honduras | Mexico | Guatemala
|
Southwest Pacific
|
6
|
Australia | New Caledonia (France) | Vanuatu | Fiji | Wallis and Futuna (France) | Solomon Islands | Papua New Guinea
|
Arctic
|
8*
|
United States | Russia | Iceland | Canada | Greenland (Denmark) | Norway | Sweden | Finland
|
West Africa Marine
|
10
|
Morocco | Mauritania | Senegal | Gambia | Guinea Bissau | Guinea | Sierra Leone | Liberia | Cote d'Ivoire
|
Western Ghats
|
1
|
India
|
Galapagos
|
1
|
Ecuador
|
West Indian Ocean
|
6*
|
Reunion (France) | Mayotte (France) | Mauritius | Madagascar | Seychelles | Comoros
|
Mediterranean
|
34
|
Morocco | Algeria | Tunisia | Libya | Egypt | Israel | Jordan | Saudi Arabia | Lebanon | Syria | Iraq | Iran | Turkey | Cyprus | Bulgaria | Greece | North Macedonia | Kosovo | Albania | Montenegro | Serbia | Bosnia and Herzegovina | Croatia | Slovenia | Austria | Italy | Vatican City | San Marino | Malta | Monaco | France | Andorra | Spain | Portugal
|
Rift Lakes
|
9
|
South Sudan | Kenya | Rwanda | Burundi | Democratic Republic of the Congo | Tanzania | Malawi | Zambia | Mozambique | Uganda
|
Southern Ocean
|
3
|
Australia | Argentina | New Zealand
|
Chihuahuan Desert
|
2
|
Mexico | United States
|
Lake Baikal
|
1
|
Russia
|
Karoo-Kaokoveld
|
3
|
Angola | Namibia | South Africa
|
Yellow Sea
|
3
|
China | North Korea | South Korea
|
Eastern Himalayas
|
5
|
India | Nepal | Bhutan | China | Bangladesh
|
Southeast Rivers and Streams
|
1
|
United States
|
Coastal East Africa
|
5
|
South Africa | Mozambique | Tanzania | Kenya | Somalia
|
Bornean Forests
|
3
|
Indonesia | Brunei | Malaysia
|
Pantanal
|
3
|
Bolivia | Brazil | Paraguay
|
New Guinea
|
2
|
Indonesia | Papua New Guinea
|
Amazon
|
11
|
Colombia | Venezuela | Guyana | Suriname | Ecuador | Peru | Brazil | Chile | Argentina | Bolivia | Paraguay
|
Greater Black Sea Basin/ Caucasus
|
17
|
Poland | Czechia | Slovakia | Hungary | Romania | Serbia | Bulgaria | Turkey | Moldova | Ukraine | Russia | Georgia | Azerbaijan | Armenia | Iran | Turkmenistan | Afghanistan
|
Miombo Woodland
|
12
|
Democratic Republic of the Congo | Angola | Zambia | Zimbabwe | Namibia | Botswana | Mozambique | Malawi | Tanzania | Rwanda | Burundi
|
Altai-Sayan
|
2
|
Russia | Mongolia
|
Amur-Heilong
|
3
|
China | Russia | Mongolia
|
Coral Triangle
|
7
|
Malaysia | East Timor | Indonesia | Philippines | Taiwan | Papua New Guinea | Solomon Islands
|