Abstract
This paper considers the theoretical and methodological aspects of landscape-hydrological analysis in substantiating the possible development of recreational activities within the boundaries of the central ecological zone of the Baikal natural territory (BNT CEZ) in Irkutsk oblast. The hydrological characteristics of the landscapes in terms of their sensitivity and resistance to natural changes and external influences are given. We carried out a landscape-hydrological zoning for the BNT CEZ territory within the boundaries of Irkutsk oblast having regard to the conditions of runoff formation, the characteristic features of its regulation in various landscapes, and to the possibility of preserving the natural water regime and the waterecological state in utilizing the territory. It is determined that the main factors for the landscape differentiation in assessing the advisability of recreational development without damage to the Lake Baikal ecosystem and to the natural waters of BNT CEZ as a whole are the hydrological properties of landscapes and resistance of natural complexes to impacts. It is found that the level of realization of the main hydrological functions of landscapes, i. e. the runoff formation, runoff regulation and water protection functions, characterizes the involvement of the natural complex in the formation of quantitative and qualitative characteristics of the local runoff, in the replenishment processes of dynamical reserves of subsurface waters, the regulation of natural floods and freshets, the preservation of the water-ecological potential of the territory. As a result a landscape-hydrological framework zoning of the territory using the landscape planning tools, three zones have been identified: the zone of the preservation of the existing state, the zone of regulated use, and the zone of territorial development. The proposed zones have general recommendations for the preservation of the hydrological and water-ecological indicators of the natural complexes which imply abandoning any activity in areas of particularly high value and highly sensitive to impacts, and the possibility of developing recreational activities in sustainable areas, subject to environmental protection measures.
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Original Russian Text © O.V. Gagarinova, 2018, published in Geografiya i Prirodnye Resursy, 2018, Vol. 39, No. 3, pp. 67–73.
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Gagarinova, O.V. Landscape-Hydrological Assessment of the Lake Baikal Coast for Recreational Development Purposes. Geogr. Nat. Resour. 39, 222–227 (2018). https://doi.org/10.1134/S1875372818030058
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DOI: https://doi.org/10.1134/S1875372818030058