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Guinean forest–savanna mosaic

From Wikipedia, the free encyclopedia

The Guinean forest-savanna mosaic is an ecoregion of West Africa, a band of interlaced forest, savanna, and grassland running east to west and dividing the tropical moist forests near the coast from the West Sudanian savanna of the interior.

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The Guinean forest-savanna mosaic covers an area of 673,600 square kilometers (260,100 sq mi), extending from western Senegal to eastern Nigeria, and including portions of Gambia, Guinea Bissau, Guinea, Sierra Leone, Côte d'Ivoire, Ghana, Togo, Benin and Cameroon.[2] The Cameroon Highlands of eastern Nigeria and Cameroon separate the Guinean forest-savanna mosaic from the Northern Congolian forest–savanna mosaic, which lies to the east. The Dahomey Gap is a region of Togo and Benin where the forest-savanna mosaic extends to the coast, and separates the Upper Guinean forests of Guinea, Sierra Leone, Liberia, Côte d'Ivoire, and Ghana from the Lower Guinean forests of Nigeria and Cameroon.


This region is mainly grassland crossed with trees growing alongside streams and on hillsides, with the constantly occurring fires keeping back the growth of trees in open country. Lophira lanceolata is a tree that is more resistant to fire than many others.


The mixture of forest and grassland provide habitat for a range of species from large mammals such as African leopard, forest elephants, hippopotamus and antelopes such as the red-flanked duiker to the common tortoise as well as more localised species including patas monkeys and Ghana worm lizards (Amphisbaenia).

The wetlands in the region are rich in birdlife, including iris glossy starling and black crowned crane.

Human settlement

The ecoregion covers large areas of many West African nations including:

  • Senegal - much of the southern Casamance arm of the country including the city of Ziguinchor.
  • All of inland Guinea-Bissau
  • The Gambia - in particular, south of the River Gambia
  • Guinea - the band of lowland areas parallel to the coast and then running south-east of the central mountains, including the towns of Fria, Kindia and Kissidougou.
  • Northern Sierra Leone including the towns of Makeni and Kabala.
  • Côte d'Ivoire - a swathe across the middle east from Touba through the country's second-largest city Bouaké.
  • A wide strip across Ghana including the country east of Lake Volta, where the main town is Ho.
  • Togo - the southern plateau.
  • Benin - the southern areas including the city of Bohicon.
  • Nigeria - a large area including the cities of Ibadan, which means where the forest meets the savanna, the country's capital Abuja, Lokoja where the River Niger and River Benue meet, Enugu, and Makurdi.

Protected areas

A 2017 assessment found that 107,116 km², or 16%, of the ecoregion is in protected areas.[3] Protected areas include Upper Niger National Park in Guinea, Dulombi-Boe National Park in Guinea-Bissau, Outamba-Kilimi National Park in Sierra Leone, Mont Sangbé National Park in Ivory Coast, Bui National Park and Digya National Park in Ghana, and Old Oyo National Park and Gashaka-Gumti National Park in Nigeria.

External links

  • "Guinean forest-savanna mosaic". Terrestrial Ecoregions. World Wildlife Fund.


  1. ^ Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b. [1]
  2. ^ "Guinean Forest-Savanna". One Earth. Retrieved 2023-03-24.
  3. ^ Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b. [2]

This page was last edited on 24 March 2023, at 16:57
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