N = 3,432 



J L 



1Z0 



I4.0 



16.0 



WEIGHT IN GRAMS 



16)- N- 2,002 



14- 



12 



u 



z 



10 



LU 





at 





at 





3 



;-• 



U 





U 



o 



6 





2- 



1975 



■■— I .— . i — u 



0.0 



2.0 



4.0 6.0 8.0 10.0 12.0 



WEIGHT IN GRAMS 



14.0 



N -2,703 



0.0 2.0 4.0 6.0 8.0 



WEIGHT IN GRAMS 



10-0 



12.0 



Figure 1 1 .—Weight frequency data from combined monthly samplings of the commercial bloodworm catch collected 

 during the period April-September of each year (1974-76). 



36 



