Multifractal Models of Impact on the Aquatic Ecosystem: Response, Risk, Management

Authors

  • Boris I. Kochurov Institute of Geography of the Russian Academy of Sciences
  • Vadim V. Kulnev Central Chernozem Interregional Administration Federal Service for Supervision of Nature Management,
  • Ilya V. Tsvetkov Tver State University

DOI:

https://doi.org/10.52575/2712-7443-2022-46-1-71-80

Keywords:

algoremediation, aquatic ecosystem, hydrobiocenosis, multifractal dynamics, risk management

Abstract

Natural and natural-anthropogenic ecosystems and landscapes are complex emergent systems. For their adequate description, assessment of the state and control, it is necessary to use the power-law distribution of parameters. Deterministic (averaged) parameters greatly simplify the description of such a system and do not allow to fully determine the probability of negative changes (risk) occurring in the ecosystem under anthropogenic impacts. The use of the fractal approach in ecological research solves this problem. The aim of the work is to develop a multifractal model of the impact on the aquatic ecosystem based on the principles of self-organization of the natural ecosystem. The total response of ecosystems to anthropogenic impact is proposed to be assessed by superimposing its multifractal image on the selected forms of critical organization of the ecosystem, which meets the limits of self-healing of the structure of hydrobiocenosis. Violation of ecosystem self-organization is equivalent to violation of fractality, which ensures its viability in changing environmental conditions. The formalization of indicators regulating the maximum permissible environmental load (PDN), when human economic activity does not exceed the thresholds of ecosystem stability, has been carried out. This makes it possible, using the example of the algoremediation of reservoirs, to provide the most acceptable parameters of economic activity and control over the restoration of technogenically disturbed aquatic ecosystems.

 

Acknowledgment
He work was carried out according to the state task "Assessment of physical, geographical, hydrological and biotic changes in the environment and their consequences for creating the foundations of sustainable nature management". FMGE-2019-0007 AAAAA-A19-119021990093-8.

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Author Biographies

Boris I. Kochurov, Institute of Geography of the Russian Academy of Sciences

Professor, Doctor of Geographical Sciences, Leading Researcher, Department of Physical Geography and Environmental Problems of the Institute of Geography RAS,
Moscow, Russia

Vadim V. Kulnev, Central Chernozem Interregional Administration Federal Service for Supervision of Nature Management,

Candidate of Geographical Sciences, Leading Specialist-Expert of the Department of State Environmental Supervision of the Central Chernozem Interregional Administration of the Federal Service for Supervision of Nature Management,
Voronezh, Russia

Ilya V. Tsvetkov, Tver State University

Doctor of Technical Sciences, Professor of the Tver State University,
Tver, Russia

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Published

2022-03-30

How to Cite

Kochurov, B. I., Kulnev, V. V., & Tsvetkov, I. V. (2022). Multifractal Models of Impact on the Aquatic Ecosystem: Response, Risk, Management. Regional Geosystems, 46(1), 71-80. https://doi.org/10.52575/2712-7443-2022-46-1-71-80

Issue

Section

Earth Sciences