UDC  574.4+631.4

Chimitdorzhieva E.O., Chimitdorzhieva G.D. VEGETATION OF CRYOARID SOILS: PRODUCTIVITY, SPECIES, ELEMENTAL AND BIOCHEMICAL COMPOSITIONS // Arid Ecosystems. 2023. Vol. 29. № 4 (97). P. 63-72. | PDF

The extreme weather conditions of Transbaikalia, due to which plants experience phytostress, lead to the formation of protective systems and mobilization, in which some metabolic changes occur as a means of survival. These changes include an increase in lipids and lignin. There is a change in metabolism, which is determined by the speed and depth of its changes without disturbing the balance between individual functions, so the unity of the organism and the environment is not disturbed. Cryoarid conditions caused specific morphological and chemical adaptations in plants. It was found that the total content of lipids and lignin in the studied soils of Transbaikalia is higher, and the content of proteins is lower compared to similar soils of the European part of Russia. It was found that more lipids, lignin and proteins were found in virgin chestnut soils compared to fallow and arable ones.

Keywords: vegetation, carbon, productivity, elemental composition, lipids, lignin, proteins, chestnut soils, cryoarid climate, continentality.

Funding. The work was carried out on the topic of state task No. 121030100228-4 «Evolutionary-genetic, biogeochemical and production functions of the soils of the Baikal region as a component of the biosphere, assessment of their resource potential and development of technologies for rational use and protection».

DOI: 10.24412/1993-3916-2023-4-63-72

EDN: MEHGTC