O 



E 



W 

 H 



O 



u 



z 

 w 

 o 



197S 



Fig. 6.2 Oxygen content (mg 9 /l) in the bottomwater at reference 

 station VI (38 m) , a , SW Asko and at reference station I 

 (50 m) , A t in the Himmerf jard, and at station 20, x, 

 during 1978. For station locations, see Fig. 6.1. 



103 



