Fig. 196. Effect of river discharge on quantitative distribution of micro-organisms 

 in northwestern area of Black Sea (Lebedeva). Numbers of cells in thousands per 



1 ml. of water shown on block. 



FEBRUARY. 1951 



200 100 WO 3ft?MILLIARDS/m 3 

 1 I I I I 



Fig. 197. Vertical distribution of micro- 

 organism population on the coastal and sea 

 stations in Black Sea in summer and winter 

 (Lebedeva). 





