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The late Cenozoic climate of Africa is a critical component for understanding human evolution. African climate is controlled by major tectonic changes, global climate transitions, and local variations in orbital forcing. We introduce the special African Paleoclimate Issue of the Journal of Human Evolution by providing a background for and synthesis of the latest work relating to the environmental...
The “Weak Garden of Eden” model for the origin and dispersal of modern humans (Harpendinget al., 1993) posits that modern humans spread into separate regions from a restricted source, around 100ka (thousand years ago), then passed through population bottlenecks. Around 50ka, dramatic growth occurred within dispersed populations that were genetically isolated from each other. Population growth began...
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