List of ecoregions in Mauritania

Terrestrial ecoregions

[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