DOI

10.24411/1728-323X-2018-15145

Section

Physical geography and biogeography, soil geography and landscape geochemistry

Title

BIOLOGICAL RECULTIVATION TECHNOLOGIES DISTURBED LAND IN THE CRYOLITHOZONE

Сontributors

S.I. Mironova, PhD (Biology), Dr. Habil, professor, Institute of applied ecology of the North, M.K. Ammosov North-Eastern Federal University, This email address is being protected from spambots. You need JavaScript enabled to view it., Yakutsk, Russia

Abstract

The results of long-term studies of lands disturbed by equipment at the deposits (ore and placer) of gold, diamonds and experimental solutions to their recovery or restoration are presented. In search for methods and methods of biological remediation, special attention was paid to the question of how to accelerate the self-overgrowing of disturbed lands and methods without dumping the fertile layer, i.e. the use of non-traditional materials instead of fertile rocks. It has been established that biological reclamation on the disturbed lands should be preceded by the study of the site’s recultivation potential, i.e. the state of the technogenic surface, soils and the degree of vegetation overgrowing to determine the methods, types for planting and planting (if possible) and the doses of a fertilizer. In the areas of Southern Yakutia (Aldan), the acceleration of vegetation overgrowth can be achieved by applying mineral fertilizers in the early stages of succession, especially in placers, and in the north, where the conditions are more severe and there are no fertile rocks for dumping the surface, it is proposed to use non-traditional materials ( sewage waste, biomats, etc.) without dumping of fertile rocks on the technogenic surface with the introduction of mineral fertilizers with increasing doses up to 200 kg / ha.

Keywords

cryolithozone, disturbed industrial lands, biological recultivation, old methods, use of waste, biomat, mineral fertilizers.

References

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