WWF estimates that by conserving the Global 200, it will be possible to
safeguard the future of a vast majority of the planet's biodiversity.
TERRESTRIAL ECOREGIONS
Tropical Moist Broadleaf Forests
Monsoon and Tropical Dry Broadleaf Forests
Subtropical and Tropical Conifer Forests
Temperate Conifer and Broadleaf Forests
Boreal Forests/TAIGA
Arctic Tundra
Cold Temperate Grasslands, Savannas, & Shrublands
Subtropical and Tropical Grasslands,
Savannas, & Shrublands
Flooded Grasslands and Savannas
Tropical Montane Grasslands
Deserts and Xeric Shrublands
Mediterranean Shrublands
FRESHWATER ECOREGIONS
Coastal Rivers and Headwater Stream
Freshwater Ecosystems
Large River Freshwater Ecosystems
Lake and Endoheic Basin Freshwater Ecosystems
MARINE ECOREGIONS
Large Deltas, Mangroves (Large Complexes), and
Estuaries
Coral Reef and Associated Marine Ecosystems
Estuarine and Upwelling-Driven Coastal and
Pelagic Marine Ecosystems
Polar and Subpolar Marine Ecosystems