88 Carrying Capacity, Productivity, and Growth 



Fieure 4.7. Normal and abnormal growth rings on largemouth bass 

 scale! A. Normal scale pattern for 1938 year-class largemouth bass 

 irLk Lake (Illinois) after 2+ years of growth. Th.s bass was 9.6 

 inches weighed 0.45 pound, a male taken August 30 1940. B. A 

 1938 yelr-cfass bass in which the second (11) and third (III annul, 

 coincide. This fish was 15 inches, weighed 2 pounds, a fen-al^ t»^^" 

 Tulv 8, 1942 from Fork Lake. This could not have been a 1939 yeai^ 

 class fish because there was no 1939 year-class m this pond ( 1938 

 year-class original fry were sexually immature m 1939). 



