Berber languages suggests that the C-Group population — which, along with the Kerma culture, inhabited the Nile valley immediately before the arrival of the first Nubian speakers — spoke Afro-Asiatic languages. Roger Blench (2018) suggests that Proto-Berber speakers had spread from the Nile River valley to North Africa 4,000-5,000 years ago due to the spread of pastoralism, and experienced intense language leveling about 2,000 years ago as the Roman Empire was expanding in North Africa. Hence, although Berber had split off from Afroasiatic several thousand years ago, Proto-Berber itself can only be reconstructed to a period as late as 200 A.D. Blench
Imraguen people explorations around the Banc d'Arquin area, along with a new road adjacent to the area, as the main factors for the reduction of fish reproduction in the area. At the Arkeiss village, it is possible for tourists to practice "sports fishing" in the Banc d'Arquin and gather up to 5 kilos of fish. The Imraguen speak Hassaniya Arabic with some Berber vocabulary related to fishing; their dialect is referred to as the Imraguen language. The Imraguen are Muslims of the Sunni Maliki rite. Imraguen people The Imraguen, or Imeraguen (Berber: Imragen), are an ethnic group or tribe of Mauritania and