КОРІННІ Й ПОХІДНІ ТИПИ ДЕРЕВОСТАНІВ У НАЙБІЛЬШ ПОШИРЕНИХ ТИПАХ ЛІСУ НА ВОДОЗБОРАХ РІЧОК ЛІВОБЕРЕЖНОГО ЛІСОСТЕПУ
DOI:
https://doi.org/10.31395/2310-0478-2019-1-76-81Keywords:
indigenous 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.Abstract
The article is devoted to the study of indigenous and derived species of forest stands in the two most commontypes 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 Maplnfo Professional 12.5 and vector map of Ukraine, defines theboundaries of 118 rivers in the Left Bank Forest-steppe region, including in the section of large river catchments: Sula - 36pcs, 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, analyzedthe Indigenous and derivative types of stands in the conditions of fresh maple-linden mixed forests (in 99 catchments) and offresh oak-pine mixed forests (in 78 catchments) within the limits of the Left- Bank Forest-steppe of Ukraine. It is determinedthat 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 takeninto account during the organization, planning and management of forest farms. It was found that the amount and the shareof forest stands derived from the total forest area on the catchment basins, the tributary of the Sulla, Psel, Vorskla andSeversky Donets rivers is greater in fresh maple-linden mixed forests, compared with fresh oak-pine mixed forests, which isexplained by more rich forest conditions. The results of the conducted researches should be used in the educational processduring the training of forestry specialists.
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