Open Access Peer-reviewed Research Article

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Erland G. Kolomyts corresponding author

Abstract

The solution of multipurpose tasks of ecological forecasting may depend to a great extent  on the results of system analysis of nature-territorial structures,  which are most sensitive to external effects including anthropogenic.  The  scientific search in this direction focuses more and more attention on the natural boundaries  –  both individual  and  complex, where  the  most  significant  natural  or anthropogenic shifts in the structure and function of geo(eco)systems  are  observed.  Considering one or another natural boundary as a vector (connection,  cascade, para-dynamical, etc.) landscape system  with a clearly  defined spatial polarization of its different properties,  we obtain a "fast-flowing" model of  state  response  and  resistance  of geo(eco)systems to the action of certain ecological factors.  The study of the structural-functional organization of natural ecosystems at the geographical ecotones is also of scientific and methodical importance, which is common with geo-ecology and, in addition, most important for regional and local landscape-ecological forecasts. Geographical ecotones are the most sensitive (and, in this sense, the least stable) fragments of natural-territorial mosaic. The boreal biogeographic ecotone of the Volga River basin is described as an example for considering the theoretical and scientific-methodical problems of geographical zonality: the fundamental ecological-geographical conception at the present-day stage of biosphere evolution associated with the global anthropogenic impact on the climate. A conception on regional bioclimatic system, characterizing climate-genic exo-dynamic characteristics of soil-vegetation "core" of natural com-plexes is presented. It can survey as a scientific-methodological base of paleogeographical reconstructions and landscape-ecological forecasts. Climate nishes of the phytocoenological and soil’ units are the elements of bioclimatic system and the forms of display of soil-vegatation cover’ hydrothermal stability during the changing climate. Zonal boundaries are considered as modern spatial analogs of the future landscape changes in time. The work dwells on the basic "trigger" mechanisms of zonal boundary formation at the interaction of background climatic signals and their refraction by local (mainly lithe-genic) factors. 

Keywords
geographical zonality, boreal ecotone, landscape connections, chain reactions, empirical statistical modeling

Article Details

How to Cite
Kolomyts, E. G. (2022). Bolreal ecotone of the East-European Plain: Empirical statistical modeling. Resources Environment and Information Engineering, 4(1), 156-172. https://doi.org/10.25082/REIE.2022.01.001

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