Ecological and typological features of forest vegetation of the Emerald network object “Tsirkunivskyi forest” in the North-Eastern Forest Steppe of Ukraine

Authors

  • I.Ya. Tymochko Institute of Agroecology and Nature Management of NAAS , Інститут агроекології і природокористування НААН
  • O.Yu. Chornobrov Institute of Agroecology and Nature Management of NAAS , Інститут агроекології і природокористування НААН
  • I.V. Solomakha Institute of Agroecology and Nature Management of NAAS , Інститут агроекології і природокористування НААН

DOI:

https://doi.org/10.31548/dopovidi2022.01.001

Keywords:

forest types, Tsyrkunivskyi forest, Siversky Dinets basin

Abstract

Carrying out of a complex of researches of protected areas provides both continuous inspection of territories of nature reserve fund, and allocation and inspection of natural territories which are belong to the Emerald network. The significant representation of the objects of this network in the territory of the North-Eastern Forest-Steppe requires additional research. Tsyrkunivskyi forest is an object of the Emerald Network of Ukraine and is located in the Kharkiv region. It was characterized by very limited information with a list of a number of rare species of fauna, and therefore this object requires additional research.

The aim of the work is to find out the forest typological and ecological properties of the natural complexes of the object of Emerald Network of Ukraine “Tsyrkunivskyi forest”.

To analyze the types of forest vegetation conditions, forest types and species composition of stands in the study area, the forest inventory data of Lipetsk and Southern forest divisions of State Forest Enterprise “Kharkiv Forest Research Station” was used. Cartographic materials from Google Maps and lk.ukrforest.com were also used in the study. Data analysis was performed by MS Excel 2016 software.

The Emerald Network object of Ukraine “Tsyrkunivskyi forest” (UA0000290 Tsyrkunivskyi forest) is located in Lipetsk and Southern forest division of the State Forest Enterprise “Kharkiv Forest Research Station” in the north-western part of the Kharkiv region with a total area of 9948.6 hectares. The territory of the studied object is an undulating plain with a well-represented valley-beam relief and a fairly branched ravine-beam network. Forest areas are represented by stands of 35 tree species. The main forest-forming tree species is Quercus robur (8830.3 ha, 88.75%), a much smaller area is Pinus sylvestris (392.1 ha, 3.94%). Other tree species occupy small areas: Betula pendula (119.9 ha, 1.21%), Robinia pseudoacacia (88.5 ha, 0.89%), Acer platanoides (80.7 ha, 0.81%), Acer campestre (80.3 ha, 0.81%), Tilia cordata (75.4 ha, 0.76%), Populus tremula (66.4 ha, 0.67%), Fraxinus excelsior (52.4 ha, 0, 53%) and others. The studied forest areas are represented by 13 edatopes, covering all trophic groups and moisture levels. The most common types of forest vegetation conditions are fresh (7040.2 ha; 70.77%) and dry (2242.3 ha, 22.54%) oak dibrova. 19 types of forests were identified in the study area, the most common of which are fresh maple-linden dibrova (7040.2 ha, 70.78%), a slightly smaller area is dry maple-linden dibrova (2242.3 ha, 22.54%); much smaller is fresh oak-pine subir (354.1 ha, 3.56%). Quercus robur grows in 5 forest types, the most common of which are fresh (6552.8 ha, 74.21%) and dry (2102.0 ha, 23.80%) maple-linden dibrova.

Thus, the ecological and typological features of the Emerald Network object “Tsyrkunivskyi forest” are the diversity of site conditions, which led to the formation of diversity of forest stands on a wide range of tree species and woodland habitats, including those included in Resolution 4 of the Bern Convention. These areas require further phytosociological research in the full range of habitats available on the territory of the studied Emerald object.

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Published

2022-02-28

Issue

No. 1(95) (2022)

Section

Biology, biotechnology, ecology

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