-231- 



— TOTAL 

 —A North Ame 

 • — • Japanese su 

 Japanese lo 



_L 



I 



J \ \ L 



J I I 



61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 



YEAR 



Figure 1. Yearly catches of North Pacific albacore, by weight, by 

 the Japanese surface, Japanese longline. North American 

 surface fishery and the total catches for years 1961 to 

 1978. 



