A group of oases in the Saoura region in the central part of Algeria in the Sahara Desert. In the narrow sense, it refers to 135 oases stretching 120 km north to south from Adrar (about 860 km south of Oran) on the east side of the Messaoud Dry Valley, but in the broad sense, it includes the oases along the Saoura Dry Valley in the northwest, In Salah and Timmin in the east, and extends for 600 km. The underground water veins running south from the Atlas Mountains are guided by foggara (artificial underground waterways) and used for domestic water and irrigation. Cereals, vegetables, and date palms are cultivated, and sheep are herded. Since ancient times, it has been an important caravan route connecting the Mediterranean coast with Sudan and Timbouktou (Mali), and the town is fortified. Currently, the Trans-Sahara Highway passes through it. At the southern end, Reganeu, there was a French nuclear testing base, but it was returned. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
サハラ砂漠,アルジェリア領中央部のサウーラ地方にあるオアシス群。狭義にはメサウド涸れ谷の東側にアドラル (オランの南約 860km) を中心として南北 120kmにわたって連なる 135のオアシスをさすが,広義には,北西方のサウラ涸れ谷に沿って連なるオアシスや東方のインサラー,ティムミンなどを含み,その延長は 600kmにも達する。アトラス山脈から南下する地下水脈を,フォガラ (人工の地下水路) によって導き,生活用水,灌漑に利用している。穀類,野菜,ナツメヤシが栽培され,ヒツジが遊牧される。古くから,地中海沿岸地方とスーダン,トンブクツー (マリ) を結ぶ重要な隊商路にあたり,町は要塞化している。現在はサハラ縦断道路が通る。南端のレガヌにはフランスの核実験基地があったが,返還された。
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