Tabls A-8. — Numbera par tow of each aga by bottom type and depth gone. Subaraa 1 



Depth 

 Bone 



Bottom 

 type 



Number 

 of tovra 



Age group 



9/ 



S&nd 

 Stony 

 Hud 



Mud and sand 

 Total 



Sand 

 Stony 

 Mud 



Mud and sand 

 Total 



33.80 16.19 15.17 1.02 0.16 0.37 0.12 0.06 0.01 



38.80 16.19 15.17 1.02 0.16 0.37 0.12 0.06 0.01 



Sand 

 Stony 

 Hud 



Hud and sand 

 Total 



0.30 







0.13 





 0.13 



Mud and sand 



28.32 10.25 9.65 0.65 0.10 0.21. 0.08 O.Ot 0.01 



Summer 19A9 



Sand 

 Stony 

 Hud 



Mud and sand 

 Total 



0.20 207.33 0.92 



0.20 207.38 0.92 



Sand 

 Stony 

 Hud 



Mud and sand 

 Total 



12 

 

 

 



12 



1.70 1.0.36 0.32 



Sand 2 



Stony 



Mud 



Mud and sand 3 



Total •■ 



Sand 

 Stony 

 Mud 



Mud and sand 

 Total 



Sand 20 



Stony 



Hud 



Hud and sand u 



1.08 86. U 0.1.7 



Summer 1950 



Sand 

 Stony 

 Mud 



Mud and sand 

 Total 



2.75 3.90 0.16 0.21 0.18 0.05 0.06 0.06 0.03 



2.75 3.90 0.16 0.21 0.13 0.05 0.06 0.06 0.03 



Sand 

 Stony 

 Hud 



Hud and sand 

 Total 



11 

 1 

 

 



12 



65.10 1,.38 19.96 0.38 0.62 0.73 0.73 O.U 0.18 0.11 

 22.00 000000000 



61.51 i.Ol 18.30 0.35 0.57 0.67 0.67 0.1.0 0.16 0.10 



92.63 

 22.00 



Sand 

 Stony 

 Hud 



Hud and sand 

 Total 



Sand 



Stony 



Hud 



Hud and sand 



W..76 3.87 U.91. 0.31 0.1,9 0.56 0.52 0.32 O.U 0.09 

 22.00 000000000 



66.00 

 22.00 



Spring 1950 



Sand 

 Stony 

 Mud 



Mud and sand 

 Total 



3.90 3U.26 5.55 3.89 2.11 0.1.9 0.20 0.06 0.01. 



3.90 3U.26 5.55 3.39 2.U 0.1.9 0.20 0.06 0.01. 



360.50 



Sand 

 Stony 

 Mud 



Mud and sand 

 Total 



0.10 31.59 0.92 l.U 1.48 0.50 0.32 0.03 0.13 



0.10 31.59 0.92 1.11 1.1.8 0.50 0.32 0.08 0.18 



36.23 



