Did Our Species Evolve in Subdivided Populations across Africa, and Why Does It Matter?


Type
Article
Change log
Authors
Scerri, Eleanor ML 
Thomas, Mark G 
Gunz, Philipp 
Stock, Jay T 
Abstract

We challenge the view that our species, Homo sapiens, evolved within a single population and/or region of Africa. The chronology and physical diversity of Pleistocene human fossils suggest that morphologically varied populations pertaining to the H. sapiens clade lived throughout Africa. Similarly, the African archaeological record demonstrates the polycentric origin and persistence of regionally distinct Pleistocene material culture in a variety of paleoecological settings. Genetic studies also indicate that present-day population structure within Africa extends to deep times, paralleling a paleoenvironmental record of shifting and fractured habitable zones. We argue that these fields support an emerging view of a highly structured African prehistory that should be considered in human evolutionary inferences, prompting new interpretations, questions, and interdisciplinary research directions.

Description
Keywords
African origins, Middle Stone Age, evolutionary genetics, human evolution, paleoanthropology, paleoecology
Journal Title
Trends in Ecology & Evolution
Conference Name
Journal ISSN
0169-5347
1872-8383
Volume Title
33
Publisher
Elsevier
Sponsorship
European Research Council (647787)
Wellcome Trust (unknown)
European Research Council (617627)