Аналіз видового складу та окремих таксономічних показників деревних рослин скверу ім. І.П. Клюєва м. Дніпро
Journal Title: Питання біоіндикації та екології - Year 2016, Vol 21, Issue 1
Abstract
I.P. Klyuyev square is located in the south-western part in the territory of Novokodatskyi district of Dnipro. The total area of the square is only 1.6 hectares. Square is in the scope of the emissions of the Western industrial complex. Distance from the complex to the square is 3.6 km. Square is built in regular style, the main compositionof the plan is axial. The main compositional center of the square is the monument to I.P. Klyuyev. On the territory of I.P. Klyuyev square grow 431 trees, belonging to 19 species and 12 geni. Acer platanoides L. and Robinia pseudoacacia L. (34.12 and 27.39 % from the total number of trees in the square), which are the most common species of park vegetation in the Dnipro dominate on the territory of I.P. Klyuyev square. A significant percentage in the composition of plantations have also Tilia cordata L. and Aesculus hippocastanum L. 51,74 % of all woody plants of the square are introduced species, which originate predominantly in North America and East Asia. Families present 1–2 species, with the exception of the family Salicaceae, which include Salix babylonica L., Populus simony Carr., Populus pyramidalis Rosier. and Populus nigra L. Woody plants in the square are arranged mainly in the form of ordinary landings, the integrity of which is sometimes disrupted due to the death of plants. There are also group planting of Sophora japonica L. and Catalpa bignonioides Walt. According to the diameter of the trunk in the most numerous group in the number of trees, the figure ranges between 24.1 and 31.0 cm. This is 28.8 % in relation to all the trees of the square. There are Robinia pseudoacacia L., Tilia cordata L., Acer platanoides L. and Aesculus hippocastanum L. among them. In descending order of the amount of the diameter of the trunk groups of trees can be ranked as follows: 24,1–31,0 > 31,1–38,0 > more than 38 > 17,1–24,0 > 10,1–17. The average height of the trees in the park is 13 m. The analysis of phytosanitary condition of tree plantations in I.P. Klyuyev square indicates their significant weakening. During the inventory it was recorded only 28 samples of trees with no signs of damage. The second group (weakened) applies 54.07 % of the square trees. There are many samples of Acer platanoides L. (56.46 % from the total number of specimens of this species), Tilia cordata L. (85.10 %), Ulmus laevis Pall. (61.9 %) and Robinia pseudoacacia L. (50.8 %) among them. Among the most common diseases should be noted powdery mildew of Acer platanoides L., insect pests – elm leaf beetle and Cameraria ohridella of Ulmus, and Aesculus hippocastanum L., respectively. Изучен видовой состав древесной растительности сквера им. И.П. Клюева г. Днепр, проанализирована его ландшафтная организация. Установлено, что на территории сквера произрастает 431 экз. деревьев, в основном лиственных, относящихся к 19 видам и 12 семействам. 51,74 % из них – интродуценты. К доминирующим древесным породам относится робиния лжеакация и клен остролистный. Семейства представлены 1–2 видами, за исключением семейства Ивовые (4 вида). Деревья произрастают преимущественно в виде рядовых посадок, которые в отдельных местах потеряли свою декоративность, а иногда группами. Около ⅓ экземпляров, образующих насаждения сквера, имеют диаметр штамба от 24,1 до 31,0 см. Высота растений в среднем составляет 13 м. Согласно санитарной оценке древостой сквера им. И.П. Клюева относится к ослабленному.
Authors and Affiliations
О. Е. Иванченко O. E. Ivanchenko
Keywords
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