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The Danube, the second largest river in Europe, after its flow through many cities and countries, meets the Black Sea creating a meeting point which benefited the creation of the Danube Delta known as one of the greatest wetlands of the planet. The stretches of water and land of this delta offer good living conditions for many species of plants and animals. GIS technology is an important tool in the analysis of geographic areas. The purpose of this study was to create maps using a set of GIS technologies that pres...

Due to the global problem of desertification, the demand in the diagnostics of the soil forming in the desert conditions is increased. The desert varnish and the vesicular (porous) crust horizon are distinctive morphological features of desert landscapes and, at the same time, generally recognized features of desert soil formation, being commonly referred to as the yermic horizons in different sub-groups within reference groups of desert soils. The objects of the present study were the surface horizons of vesicula...