The ground-base platforms and pipelines of the Sakhalin Project are planned to be built along the specific grounds of the Sakhalin intermountain, bayshore and coastal lowlands. Their peculiar properties are taken into account in planning the obligatory remediation of lands damaged at construction. The proposal is not to take off the upper soil layer, because there is no as fertile layer and potentially fertile layer neither. It is recommended to carry out the remediation with peaty coverings and peaty hydropulp.


The soil, ground and bedrocks of the Sakhalin territory have been investigated and a large scale map has been performed on the separate fields of terrain during the expeditions in 1966–1967 - South Sakhalin (Oznobikhin, 1973), 1990 -Trans - Sakhalin - "North - South" and 2001, 2003 - North Sakhalin (Kostenkov et al., 2002). The purpose of this paper is to present the results of the investigations such as the principles of soil distribution and their basic properties, to determine thicknesses of a fertile layer (FL) and potentially fertile layer (PFL) of these soils as well as the expediency of their removal, conservation and further soil use and to identify the peculiarities of a soil remediation.


Weakly podzolic B-horizon-chalybeate (illuvial ferrous) soils predominate on the North-Sakhalin lowland territory. Weakly podzolic illuvial-ferrous eroded, podzol illuvial humus soils are included in the group with areas of 5 to 10 %. Of the group with the relative area of 1 to 10 %, the alluvial gley layered soils of small thickness, slightly podzol illuvial-ferrous-humus, strongly podzol illuvial-ferrous, peaty low and upper on the middle peats, slightly decayed, browntaiga podzolized soils of small thickness are characteristic. All other soils and their complexes fall into the group with the areas lesser than 1 %.

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