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A comparative study has been conducted on the ecological and biological parameters of the soil at the Rostov-on-Don Zoo. The objects of the research were the parts of the zoo with various conditions: the cages with different animals (hyenas, emus, cranes, peacocks and other birds, zebras, deer, camels and mountain sheep). Moreover, the influence of the recreational impact, caused by the visitors of the park, on the soil landscape has also been examined. The control part of the zoo for drawing the comparison was th...

A comparative study of the influence of the multiyear application of the No-Till technology on enzymatic activity of different chernozems of two districts in the Rostov region was carried out. These soils are widespread in the vast territories of southern Russia and are the most productive arable soils. As a result, in different climatic conditions and on different subtypes of chernozems it has been established that long-term application of No-Till of direct sowing with the accumulation of plant residues on the so...

There are areas of extrazonal relic steppes on the territory of Yakutia in the tundra and taiga zones. They are the most extensive in central Yakutia, and sporadic squares of steppes are located in the north, in the Yana, Indigirka and Kolyma rivers basins. There are growing the xerophytic steppe plants which are separated from the main range, characteristic of the Transbaikalia and Mongolia steppes, as well as a number of invertebrate and vertebrate species of animals associated with their origin with the steppe ...