Sahel(redirected from Sahelian Acacia savanna)
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A semiarid region of north-central Africa south of the Sahara Desert. Since the 1960s it has been afflicted by prolonged periods of extensive drought.
[Arabic sāḥil, coast, shore (of the Sahara); see Swahili.]
the arid area in the southern Sahara that stretches across six countries from Senegal to Chad.