POLACHECK: YELLOWFIN TUNA CATCH RATES 



% ION 9N 



I 



-3- 



-J- 

 I 



I 



O 



I 



I 



I 



o 

 in 



00 



I 



O 



m 



I 



, I 



I 



as 



00 



I 



l2_l 



^ 



V 





^1 



c 

 3 



I 



2 fc. 



137 



