N 10,000 

 Psh 



/O.OOO 



hrr,eS 4f 



5000 



f,sh 



LOOO 



■ f 

 ■5000 



1000 



o rr) 



'Joo rf) 



Figure 3 Skipjack Catch and Vertical Temperature Gradient 

 (Differencs Between Surface Temperature and 



Taaperafiire at 100 Meters) 



