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ISSN 1993-3916

Arid Ecosystems

The “Arid Ecosystems” journal was organized by the decision of General Biology Division of the Russian Academy of Sciences.

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Архив метки: palaeoenvironment

ISOTOPE SIGNATURE OF SOILS IN THE DIAGNOSTICS OF THE PROCESSES OF DAGHESTAN LANDSCAPES ARIDIZATION

Arid Ecosystems

UDC 631.445.57

Kovaleva N.O. ISOTOPE SIGNATURE OF SOILS IN THE DIAGNOSTICS OF THE PROCESSES OF DAGHESTAN LANDSCAPES ARIDIZATION // Arid ecosystems. 2022. V.28. № 2 (91). P. 51-61. | PDF

The paper presents the results of humus isotopic composition and radiocarbon age of the buried soils determining in the mountain soils of Dagestan.  General chemical properties and properties of soil organic matter of modern and buried soils of Inland Daghestan are investigated. It was found that the Preboreal and Atlantic optimums of Holocene in Eastern Caucasus were characterized by a droughty climate while the Medieval period climate can be characterized as a moderate one, similar to the climate of our time. Little ice age period was absent in Daghestan. It is shown that the anthropogenic use of mountain landscapes leads to their stepping down contrary to natural climatic trends

Keywords: mountain soils, Holocene, palaeoenvironment, carbon isotopic composition.

Financing. The work was carried out with the financial support of the grant of the Russian Science Foundation No. 17-14-01120 2017-2021. «Soil biomarkers in the diagnosis of global climate change and prevention of regional environmental crises.»

DOI: 10.24412/1993-3916-2022-2-51-61

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