Northwest African cheetah , including 238 cheetahs in Central African Republic and Chad, 191 cheetahs in Algeria and Mali, and 25 cheetahs in the transboundary W, Arli, and Pendjari protected area complex in Benin, Burkina Faso and Niger. In Niger, populations occur in the northern parts of the country in the Ténéré desert and in the southern savanna region of W National Park. Records in Togo date to the 1970s. The Saharan cheetah is thought to be regionally extinct in Morocco, Western Sahara, Senegal, Guinea, Guinea-Bissau, Sierra Leone, Côte d'Ivoire and Ghana. In Mali, cheetahs were sighted in Adrar des Ifoghas and in
Benin standard of measurement for the 10% target. Benin has the third-highest publication intensity for scientific journals in West Africa, according to Thomson Reuters' Web of Science, Science Citation Index Expanded. There were 25.5 scientific articles per million inhabitants cataloged in this database in 2014. This compares with 65.0 for the Gambia, 49.6 for Cape Verde, 23.2 for Senegal and 21.9 for Ghana. The volume of publications in this database tripled in Benin between 2005 and 2014 from 86 to 270. Between 2008 and 2014, Benin's main scientific collaborators were based in France (529 articles), United States (261), United Kingdom (254),