514 



Fisher/ Bulletin 88(3). 1990 



46.1% 



NUMBER OF PREY TAXA 

 PER SCAT 



25.1% 



15.6% 



>5 



NORTH, ANCHOVY 



JACK MACKEREL 



PELAGIC RED CRAB 



PACIFIC WHITING 



ROCKFISH 



MARKET SQUID 



BLACKSMITH 



PAC. MACKEREL 



OCTOPUS 



OTHERS 



20 30 40 



PERCENT 



Figure 3 



Percent prey found in 603 California sea lion scats with single prey 

 taxon. 



Figure 2 



Occurrence of single and multiple prey taxa in 1309 California sea 

 lion scats collected at San Clemente Island, California. 



Figure 4 



Occurrence (PO), composition (PPC), and number (PMN) indices of 

 9 prey taxa found in 1309 California sea lion scats collected at San 

 Clemente Island, California, 1981-86, which are divided into pre-El 

 Nino (September 1981-August 1982), El Nino (November 1982- 

 September 1984), and post-El Nino (November 1984-September 

 1986) periods. The number index (PMN) could not be determined 

 from fragments of pelagic red crab. 



