Sahara Desert (ecoregion)

Sahara Desert
Sand dunes in Tadrart Acacus, a desert area in western Libya
Ecology
RealmPalearctic
BiomeDeserts and xeric shrublands
Geography
Area4,619,260 km2 (1,783,510 mi2)
Country
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RiversNile River; intermittent rivers and streams
Climate typehot desert and hyper-arid
Conservation
Conservation statusVulnerable

The Sahara Desert, as defined by the World Wide Fund for Nature (WWF), includes the hyper-arid center of the Sahara, between latitudes 18° N and 30° N. It is one of several desert and xeric shrubland ecoregions that cover the northern portion of the African continent.