SIGLER and FUJIOKA: VARIABILITY IN SABLEFISH 



460 

 420 



■o 380 



a 



(0 



§340 



JC 



300 

 260 

 220 



Q. 



180 



- \ 



\ 



FISHERY CPUE / 



v.. 



J 



1977 78 



Figure 4.— Sablefish catch per hachi (kg/10 hachis) for the Japanese longline fishery, 1977-83 (Fujioka 

 1986) and relative population number (RPN), 1979-86. 



Figure 5.— Length-frequency distributions of sablefish 

 in the Gulf of Alaska for depths 101-200 m, 1979-86. 

 The shaded bands illustrate the progression of the modes 

 of two strong year classes, 1977 and 1980. 



T r 



55 63 



LENGTH (cm) 



r 



71 



T 

 79 



451 



