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The SUDANIAN SAVANNA is a broad belt of tropical savanna that runs east and west across the African continent , from the Atlantic Ocean in the west to the Ethiopian Highlands
Ethiopian Highlands
in the east. The Sahel
Sahel
, a belt of drier grasslands and acacia savannas, lies to the north, between the Sudanian Savanna
Sudanian Savanna
and the Sahara
Sahara
Desert . To the south the forest-savanna mosaic is a transition zone between the Sudanian Savanna and the Guinean moist forests and Congolian forests that lie nearer the equator.

CONTENTS

* 1 Ecoregion
Ecoregion
* 2 Physiographic province * 3 Vegetation
Vegetation
* 4 Land use * 5 See also * 6 Gallery * 7 References

ECOREGION

The World Wide Fund for Nature divides the Sudanian Savanna
Sudanian Savanna
into two ecoregions , separated by the Cameroon Highlands . The West Sudanian Savanna runs from the Atlantic Ocean
Atlantic Ocean
to eastern Nigeria, and the East Sudanian Savanna
Sudanian Savanna
runs from the Cameroon Highlands east to the Ethiopian Highlands
Ethiopian Highlands
.

PHYSIOGRAPHIC PROVINCE

The Sudanian Savanna
Sudanian Savanna
is one of the three distinct physiographic provinces of the larger African Massive division. Physiography divides this province into three distinct physiographic sections, the Niger Basin , the Lake Chad Basin , and the Middle Nile Basin .

VEGETATION

The Sudanian Savanna
Sudanian Savanna
is characterized by the coexistence of trees and grasses. Dominant tree species are often belonging to the Combretaceae and Caesalpinioideae , some Acacia
Acacia
species are also important. The dominant grass species are usually Andropogoneae , especially the genera Andropogon and Hyparrhenia
Hyparrhenia
, on shallow soils also Loudetia and Aristida . Much of the Sudanian Savanna
Sudanian Savanna
region is used in the form of parklands, where useful trees, such as shea , baobab , locust-bean tree and others are spared from cutting, while sorghum , maize , millet or other crops are cultivated beneath.

LAND USE

The Sudanian savanna is used by both pastoralists and farmers. Cattle are predominantly the livestock kept, but in some areas, sheep and goats are also kept. The main crops grown are sorghum and millet which are suited to the low levels of rainfall. With increasing levels of drought since the 1970s, pastoralists have needed to move southwards to search for grazing areas and have come into conflict with more settled agriculturalists.

SEE ALSO

* East Sudanian Savanna — ecoregion * Neolithic Subpluvial — ancient Green Sahara * Sahel
Sahel
* Sub-Saharan Africa
Africa
* Sudan (region) * Sudd
Sudd
— swamp in South Sudan

GALLERY

*

West Sudanian Savanna (green) in West Africa
Africa
*

East Sudanian Savanna (green) in Central –East Africa
Africa
*

Sudanian Savanna
Sudanian Savanna
vegetation in Burkina Faso
Burkina Faso

REFERENCES

* ^ "West Sudanian savanna". World Wide Fund for Nature. Retrieved 1 November 2016. * ^ A B "East Sudanian savanna". World Wide Fund for Nature. Retrieved 1 November 2016. * ^ Alain Atangana; Damase Khasa; Scott Chang; Ann Degrande (2013). Tropical Agroforestry. Springer Science & Business Media. p. 11. ISBN 978-94-007-7723-1 . * ^ Jayalaxshmi Mistry; Andrea Beradi (2014). World Savannas: Ecology and Human Use. Routledge. pp. 124–127. ISBN 978-1-317-88013-4 .

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