Climate and Soil Zones
- Northern zone (Severnoe prostranstvo):
- Alaun zone (Alaunskoe prostranstvo):
- Baltic zone (Baltijskoe prostranstvo):
- Nizmen zone (Nizmennoe prostranstvo):
- Carpathian zone (Karpatskoe prostranstvo):
- Steppe zone (Stepnoe prostranstvo):
- Interior zone (Vnutrennoe prostranstvo):
- Urals zone (Ural'skoe prostranstvo):
- Caucasian zone (Zakavkazskoe prostranstvo):
- Siberian zone (Siberskoe prostranstvo):