The following is a list of ecoregions in Guinea, according to the Worldwide Fund for Nature (WWF).
Terrestrial ecoregions
By major habitat type:
Tropical and subtropical moist broadleaf forests
Guinean montane forests
Western Guinean lowland forests
Tropical and subtropical grasslands, savannas, and shrublands
Guinean forest-savanna mosaic
West Sudanian savanna
Mangrove
Guinean mangroves
Freshwater ecoregions
By bioregion:
Nilo-Sudan
Eburneo
Upper Niger
Senegal-Gambia
Upper Guinea
Fouta-Djalon
Mount Nimba
Northern Upper Guinea
Southern Upper Guinea
Marine ecoregions
Gulf of Guinea
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.