468 



BIOLOGY OF THE SEAS OF THE U.S.S.R. 



Fig. 223a. Contemporary salinity distribution in the Sea of Azov, average secular 

 (mean annual) salinity (Voronkov and Svitashev from the data of Samoilenko). 



evaporation and of the phenomena of on-shore and off-shore winds. The 

 phenomena of on-shore and off-shore winds are very powerful in the Sea of 

 Azov and the Gulf of Taganrog ; as a result the range of variations in the 



OOZE SAND SHELL 



GRAVEL 



_„«— MEAN ISOHALINES IN 

 "* TERMS OF CHLORINE 



Fig. 223b. Distribution of soils and salinity in Gulf of Taganrog (Mordukhai- 



Boltovskoy). 



