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

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 (ecoregion), 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

References

* Burgess, Neil, Jennifer D’Amico Hales, Emma Underwood (2004). ''Terrestrial Ecoregions of Africa and Madagascar: A Conservation Assessment''. Island Press, Washington DC. * Spalding, Mark D., Helen E. Fox, Gerald R. Allen, Nick Davidson ''et al.'' "Marine Ecoregions of the World: A Bioregionalization of Coastal and Shelf Areas". ''Bioscience'' Vol. 57 No. 7, July/August 2007, pp. 573–583. * Thieme, Michelle L. (2005). ''Freshwater Ecoregions of Africa and Madagascar: A Conservation Assessment''. Island Press, Washington DC. {{Ecoregions in Africa Ecoregions of Mauritania, Lists of ecoregions by country, Mauritania Mauritania geography-related lists, Ecoregions