- 



PLANKTON VOLUMES 

 SEPTEMBER 1958 



CC OF PLANKTON PER 1000 CM 

 OF WATER STRAINED 



0-33 

 34-100 

 ^P 101-300 

 ^M 301-900 

 ^M OVER 900 

 » STATIONS OCCUPIED 



Figure 12.- -Plankton volumes. September 1958. 



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