Keywords
dendrocompositions
classification
taxonomical analysis
vital state
How to Cite
Abstract
Objective – to develop classification and to study functioning of microlandscape polychrome dendrocompositions in plantings of Kryvyi Rih.
Material and methods. The object of our study is polychrome microlandscape dendrocompositions in the territory of Kryvyi Rih. Research methods: visual, morphometrical, statistical.
Results. The article deals with the concept of “microlandscape dendrocompositions” and their classification by 10 features: taxonomic composition, area and its configuration, biometric parameters, arrangement of plants in the composition, main accent, age, type of biomorphs, landscape features, coloristics. 18 natural coniferous-deciduous dendrocompositions, created with the participation of modern cultivars with different colour and crown shape, have been identified in plantations of Kryvyi Rih. Among them juniper-barberry groups accounted for the largest proportion (26 %). The total taxonomic composition of studied objects is 7 species and 60 cultivars from 17 genera, 10 families and 2 divisions. Shrubs (45 taxa) predominate in certain dendrocompositions by type of biomorph, plants are represented by two age groups (0–10 and 10–20 years), the highest vital state is found in 95 % of species and cultivars, 60 % of species and cultivars are related to groups of highly ornamental plants. The largest shape of species and cultivars is in the shrubs (32 %), and the plants with spherical (18 %) and conical crown forms (16 %), the rest of the plants are represented by shallow, columnar, cushion-shaped and spreading trees. Plants with green (44 %) and yellow (yellow-mottled) colour of needles or leaves are 26 %, with blue-grey color are 16 % and with purple colour are 14 %.
Conclusion. Optimization of the urban environment in the industrial region of the Right-Bank steppe of Dnieper area is possible due to the creation of microlandscape dendrocompositions using perspective modern cultivars of coniferous and deciduous plants.
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