(O 



cr 



3.0- 



2.0- 



1.0 







AVERAGE EFFORT 



CATCH-PER-UNIT-EFFORT 



1950 — 



1951 — 



W 



— t— 

 20 



—\ — 

 30 



JUNE 



30 



I 



10 



SEPT. 



% 



CO 



oc 

 o 



X 



u. 

 o 



CO 



o 



z 

 < 



CO 



o 



10 



5- 



HOURS OF FISHIN0 EFFORT 



1950 

 1951 



30 



I 



10 



SEPT. 



— r 

 20 



— »— 

 10 



— I — 

 20 



JUNE 



— I— 

 30 



"¥ 



—I — 

 20 



JULY 



FIGURE 7 



I 



10 

 AUGUST 



— I— 

 20 



I 



30 



X 

 CO 



o 



CO 



o 



z 

 < 



CO 



o 



X 



6- 

 5- 

 4- 



3- 

 2- 



I- 



TOTAL CATCH 



I 10 20 



JUNE 



30 



—I — 

 10 



— 1 — 

 20 



-T 



30 



JULY 



— I I — 



10 20 



AUGUST 



FIGURE 8 



1950 



1951 



— 1 — 

 30 



I 



10 



SEPT. 



— r- 

 20 



Uecm rates of effort and catoh-per-unit-effort, 



total hour* of fishing effort, and total catch for t*o-««ek periods 



plotted against ■ttie aid-point of each two-^«»ok period; rowboat fishery. 



West ThUBb doek» 1950 and 19S1 



35 



