Aggregation of Natural Disperse Formations: Value of Organic Matter, Soluble Salts And Diatoms

Shein, E.V.; Kharitonova, G.V.; Milanovsky, E.Y.

Авторы: Shein Evgeny V., Kharitonova Galina V., Milanovsky Evgeny Yu
Журнал: Biogeosystem Technique
Том: 7
Номер: 1
Год издания: 2016
Первая страница: 77
Последняя страница: 86
DOI: 10.13187/bgt.2016.7.77
Аннотация: Microaggregates in natural dispersed bodies – sustainable formations sizes less than 250 microns, in which the interparticle bonds are formed by organic matter, clay salts, diatomaceous spillways and some other substances. Organic matter in the microaggregates exist in inaccessible state in sustainable forms, and is not subjected to dehumification. But organic matter controls also the ability of soil to retain the structure in water; and the stability of the wet soil under external mechanical action. Dominant interactive forces between organic substances and the surface of mineral particles typically have sorption nature, hydrophobic interaction, ionic (or electrostatic nature) compound and van der Waals interactions. In saline soils and rocks microaggregates are presented in clay-salt formations. One of the possible types aggregate formation in saline soils may be the formation of quasicrystals. Packaging particle size and shape depend on the content of microaggregates and salts properties involved in their formation. The carbonates (calcite, dolomite) and ferruginous form clay-salt microaggregates. In many ways the formation of microaggregates in soils and other natural systems caused by bio-organic macromolecules produced by algae, particularly diatoms which uses a special strategy for connection with other particles (spines). A very promising direction is to study the formation of microaggregates under the influence of diatoms, which dominate in hydromorphic soils, moist habitats, river valleys. Numerous literature and own experimental data are discussed.
Добавил в систему: Шеин Евгений Викторович

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Aggregation of Natural Disperse Formations: Value of Organic Matter, Soluble Salts And Diatomsстатья

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