Express presentation

Anti-erosion properties of carbonate soils in the climatic conditions of the Primorsky region

Anastasia V. Brikmans

Far Eastern Federal University, Vladivostok, 690038, Russia

The territory of the Primorsky region is a specific transit zone from continent to ocean. Therefore, the soils of this territory are intensely susceptible to the influence of the monsoon climate and erosive processes begin to occur in them, which negatively affect the soil cover. In these case it is very important to study the anti-erosion properties of soils. The soil catena "Golubinogrskaya" was laid within the Golubinogorsk limestone deposit. The first component of the catena: cambisoil (burozem) are residual-carbonate extremely small, the incision is laid on top of the hill. The second component of the catena: cambisoil remnants of residual-carbonate small, slightly skeletal, the incision is located in the lower part of the southern slope of the hill. To determine the anti-erosion properties of the studied soils, the results of granulometric and microaggregate analyzes were obtained, which showed that the first component of the catena is characterized throughout the profile as loams of light coarse dusty-sandy soil, and the soils of the 2nd component of the catena are represented by loam light sandy-coarse silty dark humus horizon with its weighting up to loam of heavy sandy-silty. Based on the results of granulometric and microaggregate analyzes, the structure of the soil profile was assessed. In the first component of the catena, the water-resistant structure of all horizons was identified (up to 9). The ability of soils to be structured was assessed as insignificant (up to 18). Also, the profile is characterized by low microaggregation and very low (0.1 to 1.5) anti-erosion resistance. The soils of the second component of the catena have a low capacity for structuring (up to 27) nd a sufficiently water-resistant structure and low erosion resistance (from 1.0 to 2.1). Studies have shown that soils of naturally technogenic catena of the Primorsky region that are susceptible to monsoon climate influence have low erosion resistance.






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