THE PARK PLANTING "DUBINKA" OF NATIONAL DENDROLOGICAL PARK "SOFIEVKA" OF THE NATIONAL ACADEMY OF SCIENCES OF UKRAINE

Yu. O. Rumiankov

Abstract


Today, every historical garden in Ukraine does not have the original form and ideas of its architects. We face the conservation and care of the main historical areas such as "Dubinka" park, "Zoo" or "Fungus". But first we need to conduct monitoring activities and detailed inventory. The aim of our study was to make an inventory of park planting "Dubinka" to determine its condition and provide recommendations to optimize the structure of park planting and ensure aesthetic appearance. The subject of research was park planting of Quercus robur L. at the historic area "Dubinka" of National Dendrological Park "Sofievka" of the National Academy of Sciences of Ukraine. The authors have determined that area under the historic name "Dubinka" is artificially created planting. Location of the park planting "Dubinka" is 12 and 16 quarters of the National Dendrological Park "Sofievka" of the National Academy of Sciences of Ukraine. The total area of tree stand is 7.39 hectares. Generally there are 829 oak trees in park planting "Dubinka", among them: 40 are young oak trees, 8 are dead trees, 29 are with only 50 % crown, only 33 show no visible damage. The rest 719 trees have dried and broken branches. Planting "Dubinka" contains 75 other species of trees, which is 8 % of the total amount. The largest part of them is ash tree, about 5 %. Closeness crowns in planting of oak visual varies between 0.25–0.4; compared to the year of 1948 – 0.5–0.7 %. In total 756 oak trees (83.8 % of the total) have a fungal coating on the leaves and dry and broken branches, because condition of park planting "Dubinka" rated as unsatisfactory. The presence on the majority of oak trees dry twigs, powdery mildew on leaves, water sprouts and lack of the lower tiers crown determines the phytosanitary condition of oak trees of park planting "Dubinka" as a weakened middle (ІІ group). We evaluate phytosanitary condition of young oak trees as a little weakened (I group): pathogenic leaf lesions, reduced growth, but without drying branches and lesions by insects. As a result of inventory determined that the quality of condition of park planting of the garden "Dubinka" complies to class II. Thus, we should conclude that historical origins of areas called "Dubinka" on the territory of the quarter № 11, 12, 13, 16, 17 and 19 as artificially created planting of the National Dendrological Park "Sofievka" of the National Academy of Sciences of Ukraine was established. Within №12 and 16 quarters allocated separate territory of oak tree stand, which was defined as the garden "Dubinka". As a result of inventory garden "Dubinka" was created numbered catalogue of trees and their parameters. The authors have defined dendrological structure of garden "Dubinka", where the proportion of oak tree stand is 91.8 %. Quality condition of park planting of garden "Dubinka" complies to the second class. Measures on optimization of the structure of the park planting and to ensure aesthetic appearance of the park planting "Dubinka" was recommended.


Keywords


park planting "Dubinka"; history; structure; quality condition of the park planting; optimization

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References


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DOI: https://doi.org/10.15421/40270508

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