Fig. 1: Overview of ancient northwestern African genetic composition.
From: Northwest African Neolithic initiated by migrants from Iberia and Levant
a, Geographic location of investigated archaeological sites. Symbol legend given in c. The map was generated using the open source QGIS Geographic Information System, http://qgis.osgeo.org. b, Chronological representation of the investigated archaeological time periods of northwestern Africa, with each site’s radiocarbon-dated timeline indicated. c, Enlarged view of a PCA plot (Supplementary Fig. 3) with focus on the ancient individuals analysed. Each projected ancient individual is represented by a coloured symbol. W. Eur., West European; hist., historical. d, Estimated ancestry proportions for relevant African, Middle Eastern and European (Eur.) modern-day and ancient individuals (assuming five ancestry components; additional results are presented in Supplementary Fig. 4). Pre-Neolithic and Neolithic northwestern African populations/individuals are highlighted by the same symbols used in a and c.
