The solution of environmental problems of the modern city requires a systematic approach and should include measures for cleaning and protection of all environmental components of the city. As a part of the complex improvement, one of the most simple, inexpensive to implement and at the same time effective methods is to increase green areas of the city. The article deals with the spatial analysis technique of urban green spaces distribution density using modern geoinformation systems on the example of the city of Rostov-on-don. Spatial analysis is carried out in the software package ESRI ArcGIS 10.1. The result of the technique realization is the construction of an electronic map of the city's greenery distribution density, as well as the assessment of the environment quality by comparison with the electronic map of the habitat quality index for the estimated areas.
Keywords: geoinformation systems, GIS, spatial analysis, geostatistical analysis, landscaping, ecology, habitat quality index, electronic mapping, improvement of built-up areas, ecological living comfort