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Geoinformational Analysis of Desertification of the Northwestern Caspian

  • SYSTEMATIC STUDY OF ARID TERRITORIES
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Abstract

Analysis of the dynamics of modern desertification of the Northwestern Caspian with the use of geoinformation technologies and aerospace data showed that the area of degraded and desertified lands in the region increases due to an increase in the anthropogenic factor (pasture load). With a relatively stable number of animals, the role of climatic factors increases, which leads to an increase in the speed and amplitude of changes in the area of desertification foci, both in the direction of a decrease with sufficient moisture and an increase in dry years. A significant influence is exerted by fires, which lead not only to a decrease in projective cover but also to a depletion of the species composition of vegetation. The study and mapping of the relief made it possible to establish spatially defined geomorphological features of the territory as a factor affecting local moisture and, accordingly, the stability of ecosystems and the possibility of phytomelioration.

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Funding

This work was carried out as part of State Research Project no. 0713-2019-0001, “To carry out theoretical and geoinformation modeling, monitoring, and forecasting of the degradation processes of components of agroforestry based on aerospace research in the forest–steppe, steppe, and desert zones and to develop methods to manage antidegradation agroforestry and land reclamation technologies to prevent desertification of the lands, to increase their fertility, and to form an ecological framework” and with the financial support of the Russian Federal Property Fund and Volgograd oblast in the framework of scientific research project no. 19-45-340 003, “Scientific justification and patterns of change in the state of ecotone landscapes of Maly Syrt and the Caspian lowland in the Volgograd Trans-Volga region.”

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Authors and Affiliations

  1. Federal Scientific Center for Agroecology, Integrated Land Reclamation, and Protective Afforestation, Russian Academy of Sciences, 400062, Volgograd, Russia

    K. N. Kulik, V. I. Petrov, V. G. Yuferev, N. A. Tkachenko & S. S. Shinkarenko

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  1. K. N. Kulik
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  2. V. I. Petrov
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  3. V. G. Yuferev
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  4. N. A. Tkachenko
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  5. S. S. Shinkarenko
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Correspondence to K. N. Kulik.

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Conflict of interests. The authors declare that they have no conflicts of interest.

Statement on the welfare of animals. This article does not contain any studies involving animals performed by any of the authors.

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Kulik, K.N., Petrov, V.I., Yuferev, V.G. et al. Geoinformational Analysis of Desertification of the Northwestern Caspian. Arid Ecosyst 10, 98–105 (2020). https://doi.org/10.1134/S2079096120020080

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  • DOI: https://doi.org/10.1134/S2079096120020080

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