DBPapers

THE PROTECTIVE EFFECT OF PLANTATIONS ON SOIL OF ROADSIDE LANDSCAPES

N. V. Ivanisova, N. M. Davydenko, L. V. Kurinskaya, S. I. Kolesnikov
Thursday 11 October 2018 by Libadmin2018

ABSTRACT

The increasing anthropogenic load has a large impact on the ecological state of the steppe landscape. In particular, the emissions from the automobile transport: heavy metals, oil products and complex organic substances inevitably pollute the territories along the roads. The presence of forest belts in the roadside landscape reduces the negative impact of the traffic flow. The assessment of the consequences of the anthropogenic impact presupposes studying the changes in the physical and chemical properties of the soil, depending on the intensity of the traffic load, the distance from the roadway, as well as the presence and composition of protective plantations. The analysis of the obtained data shows that the roadside plantations affect the acid-base balance of soils, humus-forming processes, and reduce the amount of heavy metals (lead, copper and zinc) in the soil, which allows concluding that the protective forest plantations influence the soil factors of the roadside landscapes. Protective plantations of Robinia Pseudoacacia and Fraxinus excelsior, with a fringe of Cotinus coggygria, have greater positive effect on humus formation, as compared with the plantations without a shrub belt or with fewer rows.

Keywords: roadside landscape, physical and chemical properties of the soil, pollution of the soil, heavy metals, protective plantations


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