Table 46.— Parameters of the von Bertalanffy growth curves for Pacific cod, 1976 Bering Sea spring trawl survey.' 





Otolith 

 area' 





Number 

 of age 

 readings 



Age 



range 



(yr) 



FL 

 range 

 (cm) 



Standard 

 error of 

 curve fit 





Parameters 





Sex 



Data set 



*•« 



K 



'o 



Male 



B D 



All ages 



200 



1-6 



28-76 



1.24 



- 124.95) 



(-0.05) 



(-3.58) 







Selected ages 





0,2-4 



30-75 



0.72 



86.94 



0.25 



0.01 



Female 



B D 



All ages 



185 



1-6 



28-90 



0.66 



(3.61) 



(-0.22) 



(0.00) 







Selected ages 





0, 2-5 



31-90 



2.55 



140.25 



0.13 



0.07 



'Parentheses indicate results where the von Bertalanffy model was inappropriate. 

 : See Figure 4. 



120 



B Male 









110 



• Female 







Female 



100 











90 











80 









^**-^~~ Male 



§ 70 







* s^ ^** 





I 



O 60 



LU 



_l 











* 5C J 



o 



LL 



40 





*/y 







30 



- 









20 











10 







I A 1 1 



' i * 



10 



AGE (year) 



Figure 57. — Von Bertalanffy growth curves for male and female Pacific cod, 1976 Bering Sea spring trawl survey (selected ages). Symbols indicate the 



mean length at each age. 



81 



