Table 10: — Average standing crops, in total and by certain species 

 groups, of inland waters of States adjacent to the upper 

 Mississippi River and of Area B. 



Wisconsin 3=-' 



3/ 



Iowa 



2^' 



3/ 



3/ 



Illinois 3- 



Central 

 Illinois 



169 



U8 



97 



6^/ 



25 237 



10 690 



lil;2 



778 



Illinois, 



7/ 



50-55' 



6/ 



33 172 363 



600 



l^oo-^oo 



Juday, (2U); Threinen 

 and Helm, (61); Mraz 

 and Threinen~(36) 



Speaker, (^l); Car- 

 lander, (TT) 



Thompson and Bennett (60): 

 Bennett (6, 7) 



Thompson (59) 

 Thompson (59) 



1/ Includes predator, catfish, and forage-fish groups, if present. 



2/ Littoral areas only. 



3/ Data from sources cited averaged by present authors. 



^/ Littoral areas only; includes lakes with I4.O pounds or more of rough 



fish per acre. 

 5/ Littoral areas only; includes lakes with less than IsO pounds of 



rough fish per acre. 

 6/ Game fish and panfish combined. 

 7/ Floodplain lakes in Illinois River valley. 



22 



