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

Terrestrial ecoregions※

By major habitat type:

Tropical and subtropical grasslands, "savannas," and shrublands※

• Sahelian Acacia savanna
• West Sudanian savanna

Flooded grasslands and savannas※

• Lake Chad flooded savanna

Deserts and xeric shrublands※

• Sahara desert
• South Saharan steppe and woodlands
• West Saharan montane xeric woodlands

Freshwater ecoregions※

By bioregion:

Nilo-Sudan※

• Dry Sahel
• Lake Chad
• Lower Niger-Benue

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.