Sahara pump theory

English

Proper noun

the Sahara pump theory

1. (biology, paleontology) A hypothesis that explains the manner in which flora and fauna migrated between Eurasia and Africa using a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a "wet-green Sahara" phase, during which larger lakes and more rivers existed.

Further reading

• Sahara pump theory on Wikipedia.Wikipedia