1 – salt marshes; 2 – salt marshes on loess-like sediments; 3 – chestnut-meadow saline; 4 – meadow-chestnut saline; 5 – dark chestnut saline; 6 – southern chernozems slightly and medium saline; 7 – saline chernozems on Sarmatian and Maikop clays; 8 – dark chestnut saline on Maikop clays; 9 – solonets on Maikop clays; 10 – southern chernozems; 11 – southern micellar-carbonate chernozems; 12 – southern micellar-carbonate chernozems on red-brown clays; 13 – carbonate chernozems on eluvia and deluvia of carbonate rocks; 14 – sod-carbonate; 15 – brown; 16 – brown mountain forest; 17 – brown mountain settled; 18 – mountain meadow; 19 – alluvial meadow and chernozem meadow; 20 – chernozem meadow saline; 21 – meadow-chernozem; 22 – sod-sandy soils