UNITED STATES DEPARTMENT OF THE INTERIOR 



Walter J. Hickel, Secretary 



Russell E. Train, Under Secretary 



Leslie L. Glasgow, Assistant Secretary 



for Fish and Wildlife, Parks, and Marine Resources 



Charles H. Meacham, Commissioner, U.S. FISH AND WILDLIFE SERVICE 



Philip M. Roedel, Director, BUREAU OF Commercial Fisheries 



Birectilinear Recruitment Curves to 



Assess Influence of Lake Size on Survival of Sockeye Salmon 



( Oncorhynchus nerka) to Bristol Bay and Forecast Runs 



By 

 RALPH P. SILLIMAN 



United States Fish and Wildlife Service 

 Special Scientific Report-- Fisheries No. 600 



Washington, D.C. 

 March 1970 



