DISTRIBUTION OF PHYTOPLANKTON 



Fig. 33. Distribution of Nitzschia seriata round South Georgia in the December-January 1926-7 survey. 



For full explanation see legend of Fig. 16. 



50° 



35° 





FALKLAND Is 



□ 10,000 fso.ooo 



150,000- 100,000 

 100.000-500.000 



□' 



500,000-1,000000 



1,000.000 - 50.000.000 





/& 



4$^- 



L*> 



of 



□ 



[•] 



'f&r 



Borgia 



55 



57 



45° 



35° 



Fig. 34. Distribution of Nitzschia seriata at stations between South Georgia and the Falkland Islands, 

 February 1927. The values shown at the seven points immediately around South Georgia represent average 

 values for the stations on the seven radiating lines. Negative observations shown as dots. 



9-2 



