List of ecoregions in Mauritania

The following is a list of ecoregions in Mauritania, according to the Worldwide Fund for Nature (WWF).

Tropical and subtropical grasslands, savannas, and shrublands

 * Sahelian Acacia savanna
 * West Sudanian savanna

Flooded grasslands and savannas

 * Saharan halophytics

Deserts and xeric shrublands

 * Atlantic coastal desert
 * North Saharan steppe and woodlands
 * Sahara desert
 * South Saharan steppe and woodlands
 * West Saharan montane xeric woodlands

Freshwater ecoregions

 * Dry Sahel
 * Senegal-Gambia Catchments
 * Temporary Maghreb

Marine ecoregions

 * Sahelian Upwelling