Traders in Tadmekka would have had commercial links with North African towns such as Tahert and Ouargla where there were Ibadi communities.
In some parts of the country, such as in the valleys of El Oued and Ouargla, a rising water table due to seepage from septic tanks was a major problem.
Ouargli, or Teggargrent (also Twargrit, Təggəngusit), is a Zenati Berber language spoken in the oases of Ouargla (Wargrən) and N'Goussa (Ingusa) in Algeria.
Other Zenata Berber groups include Ayt Iznasen near Berkane in northern Morocco, Mzab people in Algeria, Figuig city in eastern Morocco, Tamezret and Sened people in Tunisia, Zuwara city in Libya, Ouargla and Taznatit-speaking people in Algeria, and many more.