TABUS 12. 



Analysis of SCUBA and Crowfoot Brail Sangjles From 

 ^,000 Square Yeiri Test Areas in Wheeler and Chickamauga 

 Reservoirs in August and September 1957- Data for 

 Total Mussels and Plgtoes Treated Separately. 



Wheeler 



Chickainauga 



Number of samples 

 Area San^)led (Sq.. yds.) 

 Total Mussels 

 Nusher of Species 

 Msan Per Sq. Yd. 

 Standard Deviation 

 Standard Error 



TotcQ. Pigtoes 

 Msan Per Sq. Yd. 

 Standai^i Deviation 

 Standard Error 



TABLE 13. 



Variables Used in the Regression Analysis of Population 

 Density and Catch Per Drag for 5,000 Square Yard Test 

 Areas in Wheeler and Chickamauga Reservoirs d\iring 1957' 



Wheeler (Pigtoe) 



Wheeler (Other species combined) 



Chickamauga (Pigtoe) 



Chickamauga (Other species ccmibined) 



X - Density Per 

 Square Yard 



Y - 



Catch Per Drag 

 Psr Square Yard 

 0.011 



^^5 

 k.2 



10.7 

 6.0 



0.013 



0.039 

 0.017 



22 



