Table 15. — Abundance of plankton per cubic meter in Lake Superior, 

 May-October, 1953 ( Cisco ) 



Station 1 



I 



m 

 m 

 m 



IV 

 V 

 VI 

 VI 

 VI 

 VI 



Station 2 



I 



n 

 n 



IV 



vn 



vn 



vm 



DC 



Station 3 



I 



Station 4 



5- 7 



11:28 



,291 



133.7 



58.1 



75.6 



I 

 IV 

 V 



vm 



Station 5 

 I 



Station 7 

 I 



5- 8 



5- 9 



12:00 



11:14 



0,3 



133 



,340 



62,2 



157,6 



24.9 



112.4 



37.3 



45.2 



141 



