Table 29 



Number of Fish Caught Per Net-Day 

 in the Lower Illinois River in 1942' 



^ata from files of the Illinois Natural History Survey River Research 

 Laboratory at Havana. The nets were 1-inch mesh hoop nets, probably 

 with wings and leads. Collections were made in the summer. 



Channel at Grafton. Total fishing effort, 28.38 net-days. 



Channel near Hardin. Total fishing effort, 13.92 net-days. 



Channel at Kampsville h mile above ferry. Total fishing effort, 6.38 net-days. 



Channel at Florence h mile below bridge. Total fishing effort, 22.57 net-days. 



Meredosia Island Slough. Total fishing effort, 1.92 net-days. 



s Channel at Meredosia. Total fishing effort, 8.08 net-days. 



Meredosia Bay (Lake). Total fishing effort, 10.04 net-days. 



96 



