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2016 ; 371
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A demographic perspective on the Middle to Later Stone Age transition from Nasera
rockshelter, Tanzania
#MMPMID27298469
Tryon CA
; Faith JT
Philos Trans R Soc Lond B Biol Sci
2016[Jul]; 371
(1698
): ä PMID27298469
show ga
Increased population density is among the proposed drivers of the behavioural
changes culminating in the Middle to Later Stone Age (MSA-LSA) transition and
human dispersals from East Africa, but reliable archaeological measures of
demographic change are lacking. We use Late Pleistocene-Holocene lithic and
faunal data from Nasera rockshelter (Tanzania) to show progressive declines in
residential mobility-a variable linked to population density-and technological
shifts, the latter associated with environmental changes. These data suggest that
the MSA-LSA transition is part of a long-term pattern of changes in residential
mobility and technology that reflect human responses to increased population
density, with dispersals potentially marking a complementary response to larger
populations.This article is part of the themed issue 'Major transitions in human
evolution'.