Geographic and pedogenetic aspects of the Red book of russian soils
An outline of soil objects included in the Red book of russian soils concerned the purposes of preservation and the geographic patterns of preservation categories and soils preserved. The majority of soils were introduced into the Red book as objects providing the existence of rare plant or animal species, the number of standard (zonal) and rare soils is close; soils - objects of research, monitoring and teaching are many. Soils of the semidesert are represented most exhaustively; less attention is paid to the steppe ones, while podzols, podzolic soils and soils of Siberia are almost absent. For adequately showing the pedodiversity of Russia, “new” soils should be included, both standard (cryozems, svetlozems), and rare (granuzems, cryoaridic).