Abstract
Species composition, quantity participation and spreading of ornamental bushes in current system of Novosibirsk green areas are determined. Upper zone (“Verkhnyaya zona”) of Academgorodok is not taken into research as far as it is a cultural heritage site and a significant site of landscape architecture of the 20th century. Special attention is given to participation of lilac species and cultivars (Syringa vulgaris L., Syringa amurensis Rupr., Syringa josikaea J. Jacq. ex Rchb.). It is pointed out that 62 species of bushes are used in the city, including 3 species of lilac, however their quantity participation is not enough and does not satisfy regulatory limits. Twenty six cultivars from the collection Syringa vulgaris L. of the Central Siberian Botanical Garden SB RAS are recommended additionally. Three cultivars, ‘Nadezhda’, ‘Pamyat’ o S. M. Kirove’ and ‘Olimpiada Kolesnikova’, successfully tested in urban environment are highly recommended. Besides, it is recommended to use wider Syringa amurensis Rupr., and to introduce late-flowering Preston hybrids (Syringa x prestoniae Mc. Kelvey (S. reflexa x S. villosa)), curretly absent in green urban areas, in urban greening in Siberia.
Highlights
The city of Novosibirsk is the third biggest city in the Russian Federation and it can be described as one of the most provided with greenery [1]
According to results of urban greenery inventory 62 species of ornamental bushes are used in 32 investigated green areas
All recorded species of ornamental bushes can be divided into four groups according to their occurrence in green urban areas: rare, occurring (30-17%), ordinary (50-30%) and permanently found
Summary
The city of Novosibirsk is the third biggest city in the Russian Federation and it can be described as one of the most provided with greenery [1]. According to Novosibirsk city General plan’s update of 2020 only 6% of all territories of recreation zone (the land area is 14 747 hectare or 29.3% of the whole city area) are landscaped and planted areas (boulevards, miniparks and parks), located in historical central part of the city. Plantation there is quite old (planted more than 50 years ago) and most of them are close park forests forming closed landscapes (e.g. Central Recreation and Leisure Park, Pervomayskiy minipark etc.). Current configuration of urban greenery does not give big enough territories and suitable terms to use ornamental bushes. Open landscapes shortage leads to absence of park-scaled landscape compositions of ornamental bushes and disbalance of recommended life-forms in green space
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