Abstract
Along the federal roads of the Rostov region, Krasnodar Territory and the Stavropol Territory, it is increasingly possible to find clean plantations consisting of one or two tree species, with a completely destroyed bush belt. In 62 % of the plots studied, the shrub belt is represented by species of scumpia (Cotinus coggygria, 17 %), terna (Prunus spinosa, 9 %), elm (Ulmus parvifolia, 5 %), maple (Acer tataricum, 3 %), that is, resistant to anthropogenic and climatic factors steppe The bush belt in protective roadside strips plays a significant role in the accumulation of soil moisture (by 6.3 %), humus (by 2.4 %), in reducing the noise load (by 25 dB). Ancestral and overband shrubs make it possible to create a dense structure of forest strips, which fully performs protective functions both from drifts of the highway bed with snow, and to reduce the negative impact of vehicles on adjacent landscapes. The study of the phytomeliorative role of the shrub belt in existing roadside plantations is a relevant area of research for the further development of recommendations for the creation and maintenance of protective roadside plantings in the steppe zone of southern Russia.
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