POLLOCK 



G»D»vth rate pefcent pw V"** (wf ight) 



m 



65 85 



Age (yejrit 



Figure 1. Annual growth rates (in weight 

 of walleye pollock), 



0.1 0.2 OJ 04 0.5 F, 



Fraction o( explomble numbcri removed by fijhefv 



Figure 2. Relations between fraction of numbers 

 and fraction of weight in exploitable 

 biomasses of walleye pollock and 

 yel lowf in sole. 



