Highlights d Genome-wide analysis of 110 ancient individuals from the Near East d Gene pools of Anatolia and Caucasus were biologically connected 6500 BCE d Gene flow from neighboring populations in Northern Levant during 3 rd millennium BCE d One individual of likely Central Asian origin in 2 nd millennium BCE Northern Levant

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Archaeological and archaeogenetic evidence points to the Pontic–Caspian steppe zone between the Caucasus and the Black Sea as the crucible from which the earliest steppe pastoralist societies arose and spread, ultimately influencing populations from Europe to Inner Asia. However, little is known about their economic foundations and the factors that may have contributed to their extensive mobility. Here, we investigate dietary proteins within the dental calculus proteomes of 45 individuals spanning the Neolithic to Greco-Roman periods in the Pontic–Caspian Steppe and neighbouring South Caucasus, Oka–Volga–Don and East Urals regions. We find that sheep dairying accompanies the earliest forms of Eneolithic pastoralism in the North Caucasus. During the fourth millennium bc, Maykop and early Yamnaya populations also focused dairying exclusively on sheep while reserving cattle for traction and other purposes. We observe a breakdown in livestock specialization and an economic diversification of dairy herds coinciding with aridification during the subsequent late Yamnaya and North Caucasus Culture phases, followed by severe climate deterioration during the Catacomb and Lola periods. The need for additional pastures to support these herds may have driven the heightened mobility of the Middle and Late Bronze Age periods. Following a hiatus of more than 500 years, the North Caucasian steppe was repopulated by Early Iron Age societies with a broad mobile dairy economy, including a new focus on horse milking.

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ObjectivesSubsistence strategies are of great interest for understanding how prehistoric societies adapted to their environment. This is particularly the case for the southern Caucasus where relationships have been shown with the northern Caucasus and Mesopotamia since the Neolithic and where societies are alternately described as sedentary and mobile. This article aims, for the first time, to characterize human diets and their evolution using biochemical markers, from the Neolithic to the Bronze Age (sixth‐first millenium BC), at Mentesh Tepe, a site in the middle Kura valley in Azerbaijan.Materials and MethodsThe data set belongs to 40 humans, 32 domestic and wild animals, and 42 charred seeds discovered in situ and perfectly dated. Stable isotope analyses were performed, including (a) δ13Cco and δ15N for animal and human bone collagens and for seeds, and (b) δ13Cap for human bone apatite.ResultsAlmost all the data (25/31) suggest an increased contribution of cereals, lentils, and freshwater fish during the Neolithic, whereas afterwards, until the Late Bronze Age, all individuals consumed more animal proteins from their livestock. None of the biological criteria (age at death and sex) and burial types (mass/single graves) were found to be related to a specific diet over time. Comparisons with other isotopic data from contemporary sites in Georgia argue in favor of a wide variety of dietary sources in the vicinity of the Kura valley and for highly mobile populations. Clear evidence of millet consumption has only been found for the Late Bronze Age.

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L’article concerne l’âge du Bronze ancien en Azerbaïdjan, période au cours de laquelle a commencé puis s’est développée la culture Kura-Araxe. Les fouilles anciennes sur des établissements et des tombes ou kourganes de cette culture manquent souvent de repères stratigraphiques et de dates précises. Les sites les plus importants sont revus ici sur la base de fouilles récentes faites à Mentesh Tepe : après une longue occupation remontant jusqu’au Néolithique, trois phases du Bronze ancien ont été mises en évidence (de la seconde moitié du 4e à la seconde moitié du 3e millénaire). La première phase correspond à une tombe collective sous kourgane, la deuxième à de nombreuses fosses et la troisième à une tombe à char à quatre roues en bois assez riche, datée de la phase Martkopi de la «culture des Premiers Kourganes » . Cette dernière phase est contemporaine de la dernière séquence de la culture Kura-Araxe et l’on estime qu’elle est liée au développement d’un commerce «international » , basé principalement sur l’étain. L’absence d’établissement visible sur une large étendue de l’Azerbaïdjan occidental conduit l’auteur à considérer que la population était probablement mobile pendant toute cette longue période.