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INDIGENOUS AND DERIVED TYPES OF FOREST-STANDS IN THE MOST COMMON TYPES OF FOREST ON THE WATER CATCHMENTS OF RIVER LEFT-BANK FOREST-STEPPE

Author(s) Воndar O. B. , , Graduate Student, Laboratory of Forestry , Ukrainian Research Institute of Forestry and Agroforestry named by G.M. Vysotsky
Rumiantsev M. Н., PhD of Agricultural Sciences, , Ukrainian Research Institute of Forestry and Forest Melioration named after G. M. Vysotsky
Category 206 "Landscape Gardening"
year 2019 issue №1, 2019
pages 76-81 index UDK 630.182
DOI 10.31395/2310-0478-2019-1-76-81 (Link)
Abstract The article is devoted to the study of indigenous and derived species of forest stands in the two most common types of forests: fresh maple-linden and fresh oak-pine mixed forests on the water catchments of rivers of the Sulla, Psel, Vorskla and Seversky Donets. Using the program MapInfo Professional 12.5 and vector map of Ukraine, defines the boundaries of 118 rivers in the Left Bank Forest-steppe region, including in the section of large river catchments: Sula - 36 pcs, Psel - 35 pcs, Worskla - 24 pcs, Seversky Donets - 23 pcs. Typological analysis of forests was carried out in accordance with the methodology of the Ukrainian school of forest typology. On the basis of the materials of the forest management (the VO "Ukrderzhlisproekt" database), as of 01.01.2011, analyzed the Indigenous and derivative types of stands in the conditions of fresh maple-linden mixed forests (in 99 catchments) and of fresh oak-pine mixed forests (in 78 catchments) within the limits of the Left- Bank Forest-steppe of Ukraine. It is determined that the indigenous stands in individual catchment areas may either prevail or occupy a small part of the total forest area, or they may not be present at all, in particular in river catchment areas of the order of 3, which must necessarily be taken into account during the organization, planning and management of forest farms. It was found that the amount and the share of forest stands derived from the total forest area on the catchment basins, the tributary of the Sulla, Psel, Vorskla and Seversky Donets rivers is greater in fresh maple-linden mixed forests, compared with fresh oak-pine mixed forests, which is explained by more rich forest conditions. The results of the conducted researches should be used in the educational process during the training of forestry specialists.
Key words іndigenous types of forest-stands, derived types of forest-stands, fresh maple & lime oak forest site conditions, fresh oak & pine relatively poor oak & pine forest site conditions, catchment, Quercus robur L., Pinus sylvestris L.
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