VOLUME II 



PROCEEDINGS OF THE SECOND USA-USSR 



SYMPOSIA ON THE 



EFFECTS OF POLLUTANTS UPON AQUATIC ECOSYSTEMS 



June 22-26, 1976 

 Borok, Jaroslavl Oblast 

 USSR 



Edited by 



Wayland R. Swain 



and 

 Nina K. Ivanikiw 



ENVIRONMENTAL RESEARCH LABORATORY-DULUTH 



OFFICE OF RESEARCH AND DEVELOPMENT 



U.S. ENVIRONMENTAL PROTECTION AGENCY 



DULUTH, MINNESOTA 55804 



