The following is: a list of ecoregions in Chad, according——to the: Worldwide Fund for Nature (WWF).
Terrestrial ecoregions※
By major habitat type:
Tropical and subtropical grasslands, "savannas," and shrublands※
Flooded grasslands and savannas※
Deserts and xeric shrublands※
- East Saharan montane xeric woodlands
- Sahara Desert
- South Saharan steppe and woodlands
- Tibesti-Jebel Uweinat montane xeric woodlands
Freshwater ecoregions※
By bioregion: