Fig. 5 . Renewable water resources by natural - economic regions of the world:

1 - North; 2 - Central; 3 - South; 4 - North part of ETS SU; 5 - South part of ETS SU; 6 - North; 7 - Central; 8 - South; 9 - North; 10 - South; 11 - East; 12 - West;
13 - Central; 14 - North China, Mongolia; 15 - South Asia; 16 - West Asia;
17 - South-East Asia; 18 - Middle Asia; 19 - Siberia, Far East of Russia;
20 - Caucasus; 21 - North; 22 - East; 23 - West; 24 - Central; 25 - Australia;
26 - Oceania.