Changes in agrophysical properties of floodplain soils under different anthropogenic loads

Agrophysical properties of alluvial soils were studied in the floodplains of the Oka River and the small rivers of Besputa (the Oka tributary) and Pol’noi Voronezh (the Voronezh tributary). The properties of the soils under different land use types (plowland, hayfield, pasture, and meadow) were comp...

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Bibliographic Details
Published in:Eurasian soil science 2009-02, Vol.42 (2), p.151-161
Main Authors: Utkaeva, V. F., Skvortsova, E. B., Sapozhnikov, P. M., Shchepot’ev, V. N.
Format: Article
Language:English
Subjects:
Alluvial soils
Analysis
Anthropogenic factors
Cattle
Compaction
Earth and Environmental Science
Earth Sciences
Floodplains
Geotechnical Engineering & Applied Earth Sciences
Grazing
Land use
Meadows
Moisture content
On the Centennial Anniversary of the Birth of V.N. Dimo
Pasture
Permeability
Physical properties
Rivers
Soil moisture
Soil permeability
Soil properties
Soil sciences
Soil water
Soils
Topsoil
Tributaries
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Summary:Agrophysical properties of alluvial soils were studied in the floodplains of the Oka River and the small rivers of Besputa (the Oka tributary) and Pol’noi Voronezh (the Voronezh tributary). The properties of the soils under different land use types (plowland, hayfield, pasture, and meadow) were compared. The features and degrees of alteration of the properties of the floodplain soils under different uses were determined. The greatest changes in the properties were found for saturated alluvial meadow soils of the Oka River floodplain under plowland. In these areas, strong degradation of the physical status of the soils was noted: compaction of the plow and subplow soil layers, an increase in the content of coarse aggregates and clods, changes in the porespace structure, and a decrease in the soil water permeability. It was shown that the soils of small river floodplains were sensitive to anthropogenic loads. In saturated alluvial soddy soils of the Besputa River floodplain, the soil water permeability decreased because of their compaction under the impact of cattle grazing. Saturated alluvial meadow soils of the Pol’noi Voronezh River floodplain were resistant to anthropogenic loads. Only a tendency towards an increase in the topsoil bulk density was observed under the impact of cattle grazing.
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229309020069