600 



500 - 



400 



u 

 a: 

 o 



< 



ui 



Q. 300 



to 

 a 



z 



3 



o 



CL 



200 



100 



JPREDATORS 



FxlGAME FISH 



1949-B 1951 1952 



CALENDAR YEAR 



3p*nfish ^1 catfish 



AVERA6E-A AVERAGE-B 



■ FORAGE FISH 



D 



ROUGH FISH 



Figure 5: -Standing crops of fish in area B in 19U8, 19^9, lo^l, and 1952 expressed as 

 poimds per acre of the various species groups. The 19li9-A and Average-A 

 columns include adult gizzard shad collected in 19h°. The 19h9-B and Average-B 

 columns represent the adjusted standing crops when adult gizzard shad are 

 excluded . 



19 



