Tassili n'Ajjer
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Categories: IUCN Category II | World Heritage Sites in Algeria | Archaeological sites in Algeria | Rock art | Mountain ranges of Algeria | National parks of Algeria | Natural arches | Tuareg | Tamanrasset Province | Prehistoric Africa
The Tassili n'Ajjer (It is a name from the Berber language and its English name is: "Tassili Plateau") is a mountain range in the Sahara desert in southeast Algeria, North Africa. It extends about 500 km from east-south-east to , and the highest point is Adrar Afao, 2158 m, at . The nearest town is Djanet, about 10 km southwest of the range. Much of the range, including the cypresses and archaeological sites (see below), is protected in a National park, Biosphere Reserve and World Heritage Site, named the Tassili n'Ajjer National Park.
GeologyThe range is composed largely of sandstone. Erosion in the area has resulted in nearly 300 natural rock arches being formed, along with many other spectacular landforms. EcologyBecause of the altitude and the water-holding properties of the sandstone, the vegetation is somewhat richer than the surrounding desert; it includes a very scattered woodland of the endangered endemic species Saharan Cypress and Saharan Myrtle in the higher eastern half of the range. The ecology of the Tassili n'Ajjer is more fully described in the article West Saharan montane xeric woodlands, the ecoregion to which this area belongs. The literal English translation of Tassili n'Ajjer is 'Plateau of the rivers' referring to a time when the climate was repeatedly far more wet than today. Prehistoric artThe range is also noted for its prehistoric rock paintings and other ancient archaeological sites, dating from neolithic times when the local climate was much moister, with savannah rather than desert. The art depicts herds of cattle, large wild animals including crocodiles, and human activities such as hunting and dancing. The art has strong stylistic links to the pre-Nguni Art of South Africa and the region, executed in caves by the San Peoples before the year 1200 CE. Further reading
External links
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