ALBACORE 



BLOCK NUMBER 882 



DISTRIBUTION OF CATCH 

 BY TEMPERATURE 



7.2 CO 10.0 

 23.8 r 



10.0 



7.2 



23.8 



20.0 



10.0 

 7.2 



TEMPERATURE AT WHICH _ / , i 



MOST FISH WERE CAUGHT" I T~ 



' \ 



' \ 



/ 



CATCH/ MONTH/ 



23.8 



- 12,000 



10,000 J2 



8,000 o 



6 



6,000 .5 



4,000 o 



1 1 1 r 1 1 t 1 1 — 



JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 



- 

















I 









n + 



It 











STD. DEVIATION - 





RANGE 



- 









■- 





1 











CATCH 

 TEMPERATUR 



E 



SST 



JAN FEB 



MAR 



APR 



MAY- 



JUN JUL A 



JG 



SE 



P OCT NOV C 



-i r~ 



JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 



23.8 

 20.0 



+ 1 



+1 -I 



STO. DEVIATION « 



JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 



238 

 20.0 



iao 



STD. DEVIATION « 



Figure 19.— Distribution of catch by temperature and by month for catch, tem- 

 perature at which most albacore were taken, mean catch temperature and its 

 standard deviation, and sea surface temperature range and means for the three 

 major block areas having albacore catches. Top left, block 882; bottom left, 

 block 916; top right, block 866. 



117°30' 



FLIGHT TRACK AND 



BLOCK AREAS 



SURVEYED 



'Scripps Pier 



| Pt La Jolla 



\ Pacific Beach 



-NUC Oceanographic tower 

 off Mission Beach 



San Oiego 



Imperial Beach 



unssatiass*- 



" Mexico 



Figure 20.— Survey flight track pattern flown during the 3-yr study of sea sur- 

 face temperature. April through October, 1974-76. 



14 



