Changes in the Parameters of the Environment-Forming Function of Steppe Ecosystems in the Conditions of Oil-and-Gas Production

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Abstract

Any anthropogenic impact leads to the transformation of material and energy flows and changes in ecosystem functions and services. The aim of the work is to identify changes in the parameters of the environmental function under the influence of technogenic effects of oil production in the steppe Volga-Ural region. A 10 plots representing 5 pairs of plots with initial steppe and technogenically disturbed landscapes were selected as key plots. The objects were studied during fieldwork (in 2023-2024) and using remote sensing data. The temperature and humidity of the air and soil were measured on the ground, as well as the concentration of carbon dioxide as the main greenhouse gas and oxygen. The carbon absorption index, the surface temperature of the landscape, and the moisture content in the vegetation cover were analyzed using satellite images. It was revealed that in areas with man-made effects of shallow oil production facilities, the temperature and humidity of the air do not change, but the temperature of the soil increases and its humidity decreases. Also, these plots showed a reduced carbon deposition rate in combination with its increased emission and reduced oxygen content. Deformed soil and vegetation cover is the most likely cause of changes in the above-mentioned environmental and climate-regulating characteristics. However, the areal scale of these changes in the study region is insignificant against the background of natural and other anthropogenic factors of soil and vegetation transformation.

About the authors

K. V. Myachina

Steppe Institute, Ural Branch of the Russian Academy of Sciences

Email: mavicsen@gmail.com
Orenburg, Russia

A. N. Shchavelev

Steppe Institute, Ural Branch of the Russian Academy of Sciences

Email: mavicsen@gmail.com
Orenburg, Russia

R. V. Ryakhov

Steppe Institute, Ural Branch of the Russian Academy of Sciences

Email: mavicsen@gmail.com
Orenburg, Russia

S. A. Dubrovskaya

Steppe Institute, Ural Branch of the Russian Academy of Sciences

Email: mavicsen@gmail.com
Orenburg, Russia

A. A. Chibilev

Steppe Institute, Ural Branch of the Russian Academy of Sciences

Author for correspondence.
Email: mavicsen@gmail.com
Orenburg, Russia

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