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Ethiopia: Woodland and savannah region

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This region extends in elevation from as low as 400m to as high as 2,000m with mean annual rainfall varying from as low as 250mm to as high as 1,300mm.

The region accounts for some 20.2% of the total area of the country and consists of three types of woodland and savannah.

These are mixed deciduous woodland and savannah, Juniperus woodland and savannah, and various types of acacia woodland and savannah.

The mixed deciduous woodland is found in the more humid environments with over 900mm mean annual rainfall at lower elevations below 1,200m. It accounts for about 2.8% of the total area of the country.

The upper storey of 5 to 12m high trees form moderately dense canopy. Most of the tree species are deciduous and remain without leaves during the dry seasons. Within the upper parts of the mixed deciduous woodland region lowland bamboo thickets of 6 to 12m. high are common.

The Juniperus woodland and savannah accounts for some 6.2% of the country and is found at higher elevations than the mixed deciduous woodland at 1,400 to 2,100m but in drier environments with mean annual rainfall of 550 to 875mm.

The Juniperus procera in this region is poorly developed and the top storey rises to 10 to 15m only and is associated with other species. Below this storey is the shrub layer and a field layer of sparse grass.

The Acacia (grar, lafto) woodland and savannah region occupies varied environments and accounts for some 11.2% of the total area of Ethiopia.

It is found at elevations from as low as 250m to as high as 2,200m, and a mean annual rainfall of from 250 to 875mm.

In general it consists of a top layer of varying species of umbrella-shaped acacia with a lower storey of shrub layer and ground cover of various types of grass.

(Source: National Atlas of Ethiopia)


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