100 



200 



X 



a. 

 ui 



o 



300 



400 



5 00 



30 29 



STATION 

 28 27 26 25 24 23 



22 21 20 19 



18 



I ; IV — nn~5 Tt 



40 



hSIi 



I 



FiouBE 68.— Profile of dissolved oxygen (ml/1), section 3, ICNAF 69-1, 28 January-27 February 1969. 



77 



