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Mauritania - Geographic and Climatic Zones |
 | | The administrative regions (formerly called cercles) of Tiris Zemmour in the north, Adrar in the center, and northern Hodh ech Chargui in the east, which make up most of the Saharan Zone, are vast empty stretches of dunes alternating with granite outcroppings. |
| | After a rain, or in the presence of a well, these outcroppings may support vegetation. |
| | Because farmers and herders depend on annual rains, a delay of one month in the beginning of the rainy season can cause large losses and lead to mass migrations from Hodh ech Chargui and Hodh el Gharbi into Mali. |
| countrystudies.us /mauritania/24.htm (1318 words) |
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