Mapping of environment-forming functions of forests and their comparative analysis in the landscapes of the Moscow region
Abstract
The article presents the results of a medium-scale study and mapping of the environment-forming functions of forests in the reference landscapes located in various physical and geographical areas of the Moscow region, namely the Verkhnevolzhskaya Lowland, the Klinsko-Dmitrovskaya range, the Teplostanskaya Upland and the Meshcherskaya Lowland. The actual forest diversity was determined for each landscape from the vegetation map; the dynamics of each forest epi-assosiation was identified, and the vegetation index was calculated using the Landsat space imagery. The production of oxygen and the carbon sequestration by phytomass are calculated for 1 ha of some types of forests, the composition and structure of which are covered in available publications. The sources of information are field studies by the author, the Department of Biogeography of the MSU Faculty of Geography, the Center of Forest Ecology and Productivity of the Russian Academy of Sciences, and literary sources. Using methods of mathematical statistics and values of the vegetation index, a method for calculating the environment-forming functions for each forest area of reference landscapes is proposed. This made it possible to give a cartographic assessment of the contribution of main tree species to the environment-forming functions of forests. The highest values of oxygen production are characteristic of floodplain forests with gray and black alder, hazel and willow, as well as for nominally primary broad-leaved species. The maximum production of oxygen is observed in the landscapes with low anthropogenic impact, i. e. the Verkhnevolzhskaya and Meshcherskaya lowlands, the minimum production – in the anthropogenically disturbed forests of the Teplostanskaya Upland. And, the swampy terrain of the low-lying landscapes determines relatively high values of carbon sequestration by forests. The paper gives examples of the evaluation maps of environment-forming functions of forests. The results can be used for sustainable forest management with the aim of recommending the conservation measures for the most valuable forest communities in a landscape. Disregard of the environmental component leads to the degradation of both forests and the whole ecosystem, thus affecting the ecological situation and the human health.
About the Author
O. D. VasilyevRussian Federation
Faculty of Geography, Department of Cartography and Geoinformatics, post-graduate student;
Department of Applied Sea and Water Economy Research and Surveying, Junior Scientific Researcher
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Review
For citations:
Vasilyev O.D. Mapping of environment-forming functions of forests and their comparative analysis in the landscapes of the Moscow region. Vestnik Moskovskogo universiteta. Seriya 5, Geografiya. 2020;(6):21-31. (In Russ.)