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Inclusion of soils and soil-like bodies of urban territories into the Russian soil classification system |
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| Authors: | T V Prokof’eva M I Gerasimova O S Bezuglova K A Bakhmatova A A Gol’eva S N Gorbov E A Zharikova N N Matinyan E N Nakvasina N E Sivtseva |
| Institution: | 1. Faculty of Soil Science, Moscow State University, Leninskie gory, Moscow, 119991, Russia 2. Faculty of Geography, Moscow State University, Leninskie gory, Moscow, 119991, Russia 3. Southern Federal University, ul. Bol’shaya Sadovaya 105, Rostov-on-Don, 344006, Russia 4. Saint Petersburg State University, Universitetskaya nab. 7-9, Saint Petersburg, 199034, Russia 5. Institute of Geography, Russian Academy of Sciences, per. Staromonetnyi 27, Moscow, 119017, Russia 6. Institute of Soil Science, Far East Division, Russian Academy of Sciences, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022, Russia 7. Lomonosov Northern (Arctic) Federal University, Naberezhnnaya Severnoi Dviny 17, Arkhangelsk, 163002, Russia 8. Research Institute of Applied Ecology of the North, Ammosov Northeastern Federal University, Sakha Republic (Yakutia), pr. Lenina 43, Yakutsk, 677000, Russia |
| Abstract: | The results of the Internet discussion on the classification of urban soils aimed at evaluating their possible inclusion into the modern Russian soil classification system adopted by a wide range of specialists are presented. The first step was to address the urban diagnostic horizons as the basis for identifying soil types according to the rules of the Russian soil classification. New diagnostic horizons were proposed for urban soils: urbic (UR), filled compost-mineral (RAT), and filled peat (RT). The combination of these horizons with other diagnostic horizons and layers of technogenic materials correspond to different soil types. At the subtype level, the diagnostic properties (qualifiers) that may reflect both natural phenomena (gley, alkalinity) and technogenic impacts on the soils (urbistratified; phosphatic; or poorly expressed urban—ur, rat, rt) are used. Some corrections were proposed for the system of parent materials in urban environments. Urban soils formerly described in another nomenclature—urbanozems, urbiquasizems, and culturozems—are correlated with the taxa in all the trunks of the system. The proposals accepted can be used for the next updated version of the new Russian soil classification system. |
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