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Sub-Saharan Africa has a wide variety of climate zones or biomes. South Africa and the Democratic Republic of the Congo in particular are considered megadiverse countries . It has a dry winter season and a wet summer season.
Annually, the rain belt across the continent moves northward into Sub-Saharan Africa by August, then passes back southward into south-central Africa by March. [22] Areas with a savannah climate in Sub-Saharan Africa, such as Ghana, Burkina Faso, [23] [24] Darfur, [25] Eritrea, [26] Ethiopia, [27] and Botswana have a distinct rainy season. [28]
The climate of South Africa is determined by South Africa's situation between 22°S and 35°S, in the Southern Hemisphere's subtropical zone, ... sub-Saharan Africa, ...
A system of subdivisions often adopted for the Sahelian climate based on annual rainfall is as follows: the Saharan-Sahelian climate, with mean annual precipitation between around 100 and 200 mm (such as Khartoum, Sudan), the strict Sahelian climate, with mean annual precipitation between around 200 and 700 mm (such as Niamey, Niger) and the ...
Satellite image of Africa, showing the ecological break that defines the sub-Saharan area. Another common approach divides Aregions, or vegetation types: Nubia (Lower Nubia) (Upper Nubia) Upper Egypt and Lower Egypt; The Maghreb is a region of northwest Africa encompassing the coastlands and Atlas Mountains of Morocco, Algeria, and Tunisia.
Most of the Afrotropical realm, except for Africa's southern tip, has a tropical climate. A broad belt of deserts, including the Atlantic and Sahara deserts of northern Africa and the Arabian Desert of the Arabian Peninsula, separates the Afrotropic from the Palearctic realm, which includes northern Africa and temperate Eurasia.
Almost whole North Africa is semi-arid, arid or hyper-arid, containing the Sahara Desert which is the largest hot desert in the world, while central Africa (known as Sub-Saharan Africa) sees an annual rainy season regulated by the movement of the Intertropical Convergence Zone or monsoon trough, though the Sahel Belt located at the south of the ...
On average, agriculture in Sub-Saharan Africa contributes 15% of the total GDP. [39] Africa's geography makes it particularly vulnerable to climate change, and 70% of the population rely on rain-fed agriculture for their livelihoods. [40] Smallholder farms account for 80% of cultivated lands in Sub-Saharan Africa. [39]