FISHERY BULLETIN: VOL. 74, NO. 4 



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Figure 4.-Locations of 1970 high- 

 liners and lowliners relative to the 

 center (medial) of the albacore fleet. 

 See Figure 2 for explanation of 

 plots. 



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The plots show where these two groups fished with 

 respect to the fleet center during periods of vari- 

 able levels of albacore abundance, fishing effort, and 



boat separation distance (shown at the top of the 

 figures). 



A very obvious separation of highliners and 



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