CONTENTS 



Page 



Introduction 1 



The commercial fishery 2 



Commercial landings in 1969 3 



Estimated catches by haul seines and trap nets 5 



Haul seine estimates 6 



Trap net estimates 7 



Potential catches 9 



Haul seine catches 10 



Trap net catches 10 



Combined catches 10 



Conclusions 10 



Acknowledgments 10 



Literature cited 11 



Figures 



1. Western basin of Lake Erie 2 



2. Typical trap net lift 3 



3. Haul seine being brought ashore 3 



4. Bagging haul seine for removal of catch 3 



5. Total fish yield by months in U.S. waters of the western basin 



for haul seines and trap nets, 1969 5 



6. Percentage contributions of high-, medium-, and low-value 

 fish in the landed, discarded, and total catches estimated for 



haul seines and trap nets, April-November 1969 7 



Tables 



1. Total fish yield from Lake Erie in 1969 4 



2. Total fish yield from the western basin of Lake Erie in 1969 4 



3. Total fish yield by gear from the western basin of Lake Erie 



in 1969 5 



4. Catch and percentage composition of the catch in 14 seine 



hauls in Sandusky Bay, April-November 1969 6 



5. Catch and percentage composition of the catch from 226 trap 

 net lifts in U.S. waters of the western basin, April-November 



1969 8 



6. Projection of the commercial yield from haul seines and trap 



nets in U.S. waters of the western basin in 1969 8 



111 



