1987
DOI: 10.3406/quate.1987.1851
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Evolution du climat et des civilisations depuis 40 000 ans du nord au sud du Sahara Occidental (premières conceptions confrontées aux données rerentes)

Abstract: Two opposit conceptions were propounded about climatic variations from northern to southern Sahara during the Quaternary, namely the "climatic balancing movement" and the "contraction of desertic area". Along a N S belt of land, out of high mountains, littoral zones and areas affected by recent tectonic, the absolute datations point out synchronism of climatic variations from southern Maghreb's limit to the sweep of Niger, during the 40 last millenaries.

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Cited by 16 publications
(7 citation statements)
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“…Human settlement in the northwestern coast of Africa is the result of a continuous complex network of migrations, invasions and admixture of people from different origins that began around 40,000 years before present (YBP) (7). Before the Sahara desertification took place (around 9000 YBP), several Neolithic cultures flourished in the area, bringing together people of sub‐Saharan and North African origin (8).…”
Section: Ambiguous Hla‐a Alleles and Their Respective Assignment Labementioning
confidence: 99%
“…Human settlement in the northwestern coast of Africa is the result of a continuous complex network of migrations, invasions and admixture of people from different origins that began around 40,000 years before present (YBP) (7). Before the Sahara desertification took place (around 9000 YBP), several Neolithic cultures flourished in the area, bringing together people of sub‐Saharan and North African origin (8).…”
Section: Ambiguous Hla‐a Alleles and Their Respective Assignment Labementioning
confidence: 99%
“…Although anthropological evidence is scarce, the earliest traces of West Atlantic occupation by modern humans dates back 40 ky [8,9]. Later climatic changes, when around 9 kya the Sahara was at its wettest [10], created conditions for both the massive displacement of people and the spread of agriculture, reaching previously uninhabited areas and promoting admixture with isolated populations [11-14].…”
Section: Introductionmentioning
confidence: 99%
“…It is the result of a continuous complex network of migrations, invasions and admixture of peoples from different origins. Fossil evidence suggests a modern human presence in NW Africa around 40000 years before present (YBP) (Alimen, 1987). A pre‐Neolithic Capsian culture evolved later locally or through a diffusion from the Near East (Camps‐Faber, 1989).…”
Section: Introductionmentioning
confidence: 99%