80 



Pollock males 



A Otolith areas A and B 







70 



■ Otolith area D 







60 







A and B 



"E 50 

 5 



t 





, D 



I 

 | 40 



LU 



—I 



A ^S 







§30 



/+/ 







20 1 



if* 







io| 









-1 



AGE (year) 



10 



15 



80 



Pollock females 











A Otolith areas A and B 









70 



■ Otolith area D 









60 









A and B 









■ 



D 



I 50 







m 







f*^T 



S^ * 







LU 











^ 











§30 



LL 











20 











,0 



m 









-1 



5 AGE (year) 



10 



15 



Figure 33. — Von Bertalanffy growth curves for walleye pollock taken during the 1976 Bering Sea spring 

 trawl survey, by sex and otolith area (see Fig. 4). Symbols indicate the mean length at each age. 



48 



