Global 200

The Global 200 is the list of ecoregions identified by the World Wide Fund for Nature (WWF) as priorities for conservation. According to the WWF, an ecoregion is defined as a "relatively large unit of land or water containing a characteristic set of natural communities that share a large majority of their species, dynamics, and environmental conditions (Dinerstein et al. 1995, TNC 1997)."

The WWF assigns a conservation status to each ecoregion in the Global 200: critical or endangered; vulnerable; and relatively stable or intact. Over half of the ecoregions in the Global 200 are rated endangered.

Global 200: Terrestrial

Tropical and subtropical moist broadleaf forests

Afrotropic

Australasia

Indomalaya

Neotropic

Oceania

Tropical and subtropical dry broadleaf forests

Afrotropic

  • Cameroon crater lakes (Cameroon)

Australasia

  • Central Australian freshwater (Australia)

Indomalaya

  • Philippines freshwater (Philippines)
  • Inle Lake (Myanmar)
  • Yunnan lakes and streams (China)

Neotropic

  • Mexican highland lakes (Mexico)

Oceania

Tropical and subtropical coniferous forests

Nearctic

Temperate broadleaf and mixed forests

Nearctic

Palearctic

Temperate coniferous forests

Palearctic

  • Anatolian freshwater (Syria, Turkey)

Boreal forests/taiga

Tropical and subtropical grasslands, savannas, and shrublands

Temperate grasslands, savannas, and shrublands

Flooded grasslands and savannas

Montane grasslands and shrublands

Tundra

Mediterranean forests, woodlands, and shrub

Deserts and xeric shrublands

Mangroves

Global 200: Freshwater ecoregions

Large rivers

Large river headwaters

Large river deltas

Small rivers

Large lakes

Small lakes

Xeric basins

Global 200 Marine ecoregions

Polar

Antarctic Ocean

Arctic Ocean

Temperate shelfs and seas

Mediterranean

  • Mediterranean Sea (Albania, Algeria, Bosnia and Herzegovina, Croatia, Cyprus, Egypt, France, Greece, Israel, Italy, Lebanon, Libya, Malta, Monaco, Morocco, Serbia & Montenegro, Slovenia, Spain, Syria, Tunisia, Turkey)

North Temperate Atlantic

North Temperate Indo-Pacific

Southern Ocean

Temperate upwelling

South Temperate Atlantic

South Temperate Indo-Pacific

Tropical upwelling

Central Indo-Pacific

Eastern Indo-Pacific

Eastern Tropical Atlantic

  • Canary Current (Canary Islands, Gambia, Guinea-Bissau, Mauritania, Morocco, Senegal, Western Sahara)

Tropical coral

Western Indo-Pacific

  • Maldives, Chagos, and Lakshadweep atolls (Chagos Archipelago (United Kingdom), India, Maldives, Sri Lanka)
  • Red Sea (Djibouti, Egypt, Eritrea, Israel, Jordan, Saudi Arabia, Sudan, Yemen)
  • Arabian Sea (Djibouti, Iran, Oman, Pakistan, Qatar, Saudi Arabia, Somalia, United Arab Emirates, Yemen)
  • East African Marine (Kenya, Mozambique, Somalia, Tanzania)
  • West Madagascar Marine (Comoros, Madagascar, Mayotte and Iles Glorieuses (France), Seychelles)

Western Tropical Atlantic

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