THE KARA SEA 



233 



Fig. 99a, b. Quantitative distribution of phytoplankton (g/m 3 ) in the 

 Kara Sea, August-September 1934 (Usachev, 1946). 



Fig. 99c. Distribution of biomass of phyto- 

 plankton in the Kara Sea according to the 

 materials of the expedition of the ice- 

 breaker Sedov of the Arctic Institute 

 (August-September, 1934. For the to 25 

 m layer, g/m 3 ) (Usachev, 1941). 



