About Global Ecoregions

Cattle ranching and agriculture are a high cause for deforestation and biodiversity loss in the ... rel=
Cattle ranching and agriculture are a high cause for deforestation and biodiversity loss in the Northern Andes Ecoregion. Alto Quindio, Central Andes, Colombia.
© WWF / Diego M. GARCES
The Global Ecoregions is a science-based global ranking of the Earth's most biologically outstanding terrestrial, freshwater and marine habitats. It provides a critical blueprint for biodiversity conservation at a global scale.

Developed by WWF scientists in collaboration with regional experts around the world, the Global Ecoregions is the first comparative analysis of biodiversity to cover every major habitat type, spanning 5 continents and all the world's oceans.

The aim of the Global Ecoregions analysis is to ensure that the full range of ecosystems is represented within regional conservation and development strategies, so that conservation efforts around the world contribute to a global biodiversity strategy.

The Global Ecoregions reflects 3 major innovations

  • It is comprehensive in its scope - it encompasses all major habitat types including freshwater and marine systems as well as land-based habitats. It ranges from arctic tundra to tropical reefs, from mangroves to deserts, to include species from every major habitat type on Earth.

  • It is representative in its final selection. The most outstanding examples of each major habitat type are included from every continent and ocean basin. Thus it includes, for example, the most important tropical and temperate forests from each continent, and the most important coral reefs from each ocean.

  • It uses ecoregions as the unit of scale for comparison and analysis. Ecoregions are large areas of relatively uniform climate that harbour a characteristic set of species and ecological communities. By focusing on large, biologically distinct areas of land and water, the Global Ecoregions set the stage for conserving biodiversity.

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