Stenotomus chrysops 



FALL- 1976 



90 



80- 



70 



£60-| 



CD 



§50 



5?40H 



30 



20- 



10- 



o- 



10 

 20 

 30- 

 uj40" 



I R I 



50 



6C~ 

 70- 

 80- 



11% 





75% I 



1 1 



80% 



A AMPHIPODA 



6701 



1 HYPERIDEA 



272 



2 GAMMARIDEA 



431 2 



B POLYCHAETA 



5920 



C DECAPODA 



258 



COPEPODA 



142 



E GASTROPODA 



42 



F CUMACEA 



15 



20% 



E F 



5 t ^-10% 

 12% 



75% 



% FREQUENCY 



I 

 (J 

 < 



5 

 O 



F- 



or 



o_ 



Standard 

 length (N 



60 



<r 



2 40 



Z5 



z 



3- 20 



c/ 



2 



1 



1 



,/ 



j 1 



B 



CD 



tr- 



— 3- 



% FREQUENCY 



100% 



I H ) 



STANDARD 

 LENGTH 

 (N) 



51- 100 

 (32) 



IRI 



Al 7091 



II 2728 



2) 773 



El 2096 



C) 17 



D) 1212 



101- 150 

 (106) 



7275 

 177 

 5088 

 5793 

 414 

 39 



151" 200 

 (83) 



6477 



64 



5615 



243 



201-300 

 (19) 



1 



3678 



12 378 



49 



AMPHIPODA 



HYPERIDEA 



GAMMARIDEA 



POLYCHAETA 



DECAPODA 



COPEPODA 



Figure 20 (upper left). — Percent frequency occurrence, 

 percent number, percent volume displacement, and index 

 of relative importance (IRI) of higher taxonomic groups of 

 food in the diet of Stenotomus chrysops in the fall. 



Figure 21 (lower left). — Percent frequency occurrence, 

 percent number, percent volume displacement, and index 

 of relative importance (IRI) of higher taxonomic groups of 

 food for size intervals (mm) of Stenotomus chrysops. 



Figure 22 (upper right).— Relationship between size of 

 Stenotomus chrysops and volume of food consumed (bro- 

 ken line), mean prey volume (solid line), and prey number 

 per stomach (dashed line). 



23 



