-155- 



Q 

 Z 

 < 

 (/) 



o 



I 



X 



o 



< 



10 20 30 40 50 60 70 



EFFORT IN THOUSANDS OF DAYS STANDARDIZED TO CLASS 3 



200 



5 

 EFFORT 



10 

 THOUSANDS 



15 



OF DAYS 



20 25 



STANDARDIZED 



TO 



30 

 CLASS 



Figure 5. a) Equilibrium catch curve for the yellowfin tuna fishery 



inside the CYRA, 1967 to 1979. Effort in days fishing 

 is standardized to Class 3 purse seiners. 



b) Equilibrium catch curve for the yellowfin tuna fishery 



inside the CYRA, 1968 to 1979. Effort in days fishing 

 is standardized to Class-6 purse seiners. 



