100 



200 



300 



54 



1.5 



53 



51 



400 





LLI 



— 500 



I 

 t— 

 a. 



LU 



a 



600 



700 



800 



900 



1000- 







l_ 



30 



NAUTICAL MILES 



.1 i i i i | I i i ' i 

 Port Harcourt 



CAPE LOPEZ 



J 



Pointe Noire 



CONGO RIVER - 



Luanda 



Lobito 



1 



1 Mocameries 

 CAPE ERIO 



I. 



Figure 141.— Vertical distribution of inorganic phosphate (/ig-at./liter) for Undaunted 6802, phase II; stations 50-54; 



15-17 October 1968. 



146 



