On the issue of the formation of an ecologically sustainable multifunctional green infrastructure on the technogeolandscapes of the coastal strip of the Caspian sea

The ecological indicators of the territory along the coastal part of the Caspian Sea show high indices of anthropogenic impact and the degree of disturbance of natural ecosystems under the influence of man-made factors. 6 main sources of potential anthropogenic impact on the components of natural landscapes in the coastal zone of the Caspian Sea are identified and analyzed. A systematic analysis of this territory shows the presence of a number of geoecological risk factors of potential multifunctional man-made and anthropogenic impacts on its natural landscapes and a “risk” combining two concepts – “probability of danger” and “damage”. Man-made pollution of soils in this area worsens their physico-chemical properties, composition, structure, reduces the total volume of pores and pore aeration in them, worsens the intensity of gas exchange, increases the concentration of carbon dioxide and reduces the concentration of oxygen. The necessity of forming a green infrastructure in the coastal zone of the Caspian Sea in order to increase biodiversity and sustainability of natural ecosystems is substantiated. The expansion of the vegetation area along the coastal strip of the Caspian Sea to 15-20% of the total area of the region will ensure the process of increasing the absorption of man-made carbon from atmospheric carbon dioxide into the biomass of trees and provide oxygen to the growing demand in this area. The green infrastructure will have an ecological polyfunctionality – it will purify the atmospheric air and soil from man-made pollutants, the assimilation potential of the environment will increase, the microclimate will improve, and new recreational areas will be created.