Assessment of potential natural vulnerability of landscapes of Khabarovsk region
A.V. OSTROUKHOV, E.M. KLIMINA
Institute of Water and Ecology Problems, Far Eastern Branch, Russian Academy of Sciences, Khabarovsk, Russia
Keywords: geosystem stability, integral assessments of landscapes, geoecological mapping, landscape planning, nature management regulations, territorial planning schemes
Abstract
The article examines the application of the methodology for assessing the potential natural vulnerability of landscapes using Khabarovsk Krai as an example. Based on the performed calculations, seven categories of landscapes were identified according to the degree of integral vulnerability - from extremely high to very low, and the contribution and spatial distribution of individual vulnerability components (pyrogenic, soil-cryogenic, etc.) to the overall indicator were analyzed. The territorial distribution of the assessment indicators was presented in a series of maps. It was revealed that extremely vulnerable geosystems (mainly highlands and heavily dissected mid-mountain areas with goltsy, mountain tundra communities, etc.) and highly vulnerable geosystems (mid-mountain and low-mountain areas with coniferous forests and post-pyrogenic grass-shrub communities) are insignificantly distributed, occupying 3,4 and 7,9 % of the territory of the krai, respectively. Natural complexes with low and very low values of the indicator are most widespread (44 % of the krai’s area). These are primarily flat and foothill geosystems with a wide distribution of bog, meadow-bog types of vegetation. The resulting information and cartographic database has a level of detail corresponding to a map scale of 1:500 000 and can be used in the development of territorial planning schemes at the level of “subject of the Russian Federation - municipal district” during the procedure of ecological and economic zoning of the territory and the designation of the category of “highly vulnerable landscapes” with a regulated use regime when identifying lands of high conservation value.
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