■236- 



NORTH AMERICAN 

 SURFACE FISHERY 



_L 



_L 



1961 



1963 1965 1967 



1969 



1971 



1973 1975 



1977 



Figure 4. Yearly catch rates of North Pacific albacore in the 



Japanese surface, Japanese longline and North American 

 surface fishery for years 1961 to 1978. 



