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Stable isotopic evidence for land use patterns in the Middle Euphrates Valley, Syria.

Sołtysiak, A. and Schutkowski, H., 2018. Stable isotopic evidence for land use patterns in the Middle Euphrates Valley, Syria. American Journal of Physical Anthropology, 166 (4), 861-874.

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Soltysiak Schutkowski AJPA 2018 proof preprint ED.pdf - Accepted Version
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DOI: 10.1002/ajpa.23480


OBJECTIVES: Stable carbon and nitrogen isotope ratios (δ13 C and δ15 N) were used to reconstruct the history of subsistence strategies in the middle Euphrates valley, NE Syria, in six temporal subsets dating from the Early Bronze Age (c. 2300 BCE) to the Modern period (19th/20th century CE). The study aims to demonstrate that changes in political and social organization over time, for which the archaeological record suggests different goals of land use and modes of production, register through dietary patterns that are reflected in isotopic data. MATERIALS AND METHODS: 173 dentin samples were taken from human individuals buried at three sites (Tell Ashara, Tell Masaikh and Gebel Mashtale) together with 15 animal bone samples. Distribution of the δ13 C and δ15 N values in collagen was interpreted in diachronic perspective, and with regard to lifetime shifts between childhood and adolescence. RESULTS: Diachronically, isotope signatures indicate a clear decrease in δ15 N values accompanied by a small shift in δ13 C values between the Old Babylonian (c. 1800-1600 BCE) and the Neo-Assyrian (c. 850-600 BCE) subsets. A major shift in δ13 C values occurred between the Early Islamic (c. 600-1200 CE) and Modern (c. 1800-1950) periods. Ontogenetic changes only occur in a few individuals, but these suggest change of residence between childhood and adolescence. DISCUSSION: The depletion in 15 N from the Neo-Assyrian period onwards is best explained in terms of a shift from intensive to extensive farming, triggered by the fall of regional city-states after the Old Babylonian period and the formation of large supra-regional polities in the Neo-Assyrian period and later. The enrichment in 13 C during the Modern period was most likely the effect of more widely utilizing the dry steppes, abundant in C4 plants, as pasture.

Item Type:Article
Additional Information:Funding information Polish National Science Centre (Narodowe Centrum Nauki), Grant Number: 2012/06/M/HS3/00272
Uncontrolled Keywords:Mesopotamia; carbon isotopes; diet; nitrogen isotopes ; subsistence strategies
Group:Faculty of Science & Technology
ID Code:30655
Deposited By: Symplectic RT2
Deposited On:15 May 2018 15:22
Last Modified:14 Mar 2022 14:10


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