670 



Fishery Bulletin 101 (3) 



Bluefish catch per trip 

 indices scaled to series means 



• Unstandardtzed 

  Lognormal 



- Passon 



- Neg BirwfTiial 



82 84 86 88 90 92 94 96 98 



86 88 90 

 Year 



96 98 



Rgure 10 



Indices of bluefish abundance (catch number per trip 

 including zero catches) modeled under different error 

 distribution assumptions, 1981-98. 



Atlantic cod catch per trip 

 indices scaled to series means 



2.0 

 1.5 

 1.0 

 0.5 



• Unstandardized 

 - Lognormal 



-#~ Posson X 



-•- Heq. Binomial ^V 



Figure 12 



Indices of Atlantic cod abundance (catch number per 

 trip including zero catches) modeled under different 

 error distribution assumptions, 1981-98. 



